SEC Info℠  
    Home      Search      My Interests      Help      Sign In      Please Sign In

BP plc – ‘20-F’ for 12/31/23 – ‘XML’

On:  Friday, 3/8/24, at 6:05am ET   ·   For:  12/31/23   ·   Accession #:  313807-24-8   ·   File #:  1-06262

Previous ‘20-F’:  ‘20-F’ on 3/10/23 for 12/31/22   ·   Latest ‘20-F’:  This Filing   ·   4 References:   

Find Words in Filings emoji
 		  in    Show  and   ↓Hints

  As Of               Filer                 Filing    For·On·As Docs:Size

 3/08/24  BP plc                            20-F       12/31/23  214:132M

Annual or Annual-Transition Report by a Foreign Non-Canadian Issuer   —   Form 20-F   —   SEA’34

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 20-F        Annual or Annual-Transition Report by a Foreign     HTML  11.44M 
                Non-Canadian Issuer                                              
 2: EX-2        Plan of Acquisition, Reorganization, Arrangement,   HTML    622K 
                Liquidation or Succession                                        
 3: EX-4.4      Instrument Defining the Rights of Security Holders  HTML     58K 
 4: EX-4.7      Instrument Defining the Rights of Security Holders  HTML     58K 
 6: EX-13       Annual or Quarterly Report to Security Holders      HTML     61K 
10: EX-17       Correspondence re: Departure of a Director          HTML     58K 
11: EX-97       Clawback Policy re: Recovery of Erroneously         HTML     66K 
                Awarded Compensation                                             
 5: EX-12       Statement re: the Computation of Ratios             HTML     66K 
 7: EX-15.1     Letter re: Unaudited Interim Financial Info         HTML     58K 
 8: EX-15.2     Letter re: Unaudited Interim Financial Info         HTML     98K 
 9: EX-15.5     Letter re: Unaudited Interim Financial Info         HTML     57K 
17: R1          Cover                                               HTML    214K 
18: R2          Group income statement                              HTML    127K 
19: R3          Group statement of comprehensive income             HTML    119K 
20: R4          Group statement of changes in equity                HTML    124K 
21: R5          Group balance sheet                                 HTML    185K 
22: R6          Group cash flow statement                           HTML    163K 
23: R7          Significant accounting policies, judgements,        HTML    257K 
                estimates and assumptions                                        
24: R8          Non-current assets held for sale (Notes)            HTML     78K 
25: R9          Business combinations                               HTML     82K 
26: R10         Disposals and impairment                            HTML    141K 
27: R11         Segmental analysis                                  HTML    243K 
28: R12         Sales and other operating revenues                  HTML     72K 
29: R13         Income statement analysis                           HTML     84K 
30: R14         Exploration for and evaluation of oil and natural   HTML     76K 
                gas resources                                                    
31: R15         Taxation                                            HTML    184K 
32: R16         Dividends                                           HTML     86K 
33: R17         Earnings per share                                  HTML    115K 
34: R18         Property, plant and equipment                       HTML    203K 
35: R19         Capital commitments                                 HTML     59K 
36: R20         Goodwill and impairment review of goodwill          HTML    112K 
37: R21         Intangible assets                                   HTML    131K 
38: R22         Investments in joint ventures (Notes)               HTML    215K 
39: R23         Investments in associates                           HTML    142K 
40: R24         Other investments                                   HTML    122K 
41: R25         Inventories                                         HTML     71K 
42: R26         Trade and other receivables                         HTML     78K 
43: R27         Valuation and qualifying accounts (Notes)           HTML     86K 
44: R28         Trade and other payables                            HTML     83K 
45: R29         Provisions                                          HTML    105K 
46: R30         Pensions and other post-retirement benefits         HTML    538K 
47: R31         Cash and cash equivalents                           HTML     66K 
48: R32         Finance debt                                        HTML     96K 
49: R33         Capital disclosures and net debt                    HTML    107K 
50: R34         Leases                                              HTML     82K 
51: R35         Financial instruments and financial risk factors    HTML    221K 
52: R36         Derivative financial instruments                    HTML    463K 
53: R37         Called-up share capital                             HTML    529K 
54: R38         Capital and reserves                                HTML    529K 
55: R39         Contingent liabilities and legal proceedings        HTML     77K 
56: R40         Remuneration of senior management and               HTML     80K 
                non-executive directors                                          
57: R41         Employee costs and numbers                          HTML    538K 
58: R42         Auditor?s remuneration                              HTML     76K 
59: R43         Subsidiaries, joint arrangements and associates     HTML     91K 
60: R44         Events after reporting period                       HTML     60K 
61: R45         Significant accounting policies, judgements,        HTML    310K 
                estimates and assumptions (Policies)                             
62: R46         Significant accounting policies, judgements,        HTML    220K 
                estimates and assumptions (Tables)                               
63: R47         Non-current assets held for sale (Tables)           HTML     75K 
64: R48         Business combinations (Tables)                      HTML     78K 
65: R49         Disposals and impairment (Tables)                   HTML    130K 
66: R50         Segmental analysis (Tables)                         HTML    236K 
67: R51         Sales and other operating revenues (Tables)         HTML     70K 
68: R52         Income statement analysis (Tables)                  HTML     84K 
69: R53         Exploration for and evaluation of oil and natural   HTML     75K 
                gas resources (Tables)                                           
70: R54         Taxation (Tables)                                   HTML    187K 
71: R55         Dividends (Tables)                                  HTML     85K 
72: R56         Earnings per share (Tables)                         HTML    112K 
73: R57         Property, plant and equipment (Tables)              HTML    207K 
74: R58         Goodwill and impairment review of goodwill          HTML    103K 
                (Tables)                                                         
75: R59         Intangible assets (Tables)                          HTML    131K 
76: R60         Investments in joint ventures (Tables)              HTML    210K 
77: R61         Investments in associates (Tables)                  HTML    141K 
78: R62         Other investments (Tables)                          HTML     69K 
79: R63         Inventories (Tables)                                HTML     70K 
80: R64         Trade and other receivables (Tables)                HTML     77K 
81: R65         Valuation and qualifying accounts (Tables)          HTML     84K 
82: R66         Trade and other payables (Tables)                   HTML     80K 
83: R67         Provisions (Tables)                                 HTML    102K 
84: R68         Pensions and other post-retirement benefits         HTML    500K 
                (Tables)                                                         
85: R69         Cash and cash equivalents (Tables)                  HTML     64K 
86: R70         Finance debt (Tables)                               HTML     97K 
87: R71         Capital disclosures and net debt (Tables)           HTML    105K 
88: R72         Leases (Tables)                                     HTML     82K 
89: R73         Financial instruments and financial risk factors    HTML    327K 
                (Tables)                                                         
90: R74         Derivative financial instruments (Tables)           HTML    461K 
91: R75         Called-up share capital (Tables)                    HTML    110K 
92: R76         Capital and reserves (Tables)                       HTML    467K 
93: R77         Remuneration of senior management and               HTML     76K 
                non-executive directors (Tables)                                 
94: R78         Employee costs and numbers (Tables)                 HTML     92K 
95: R79         Auditor?s remuneration (Tables)                     HTML     73K 
96: R80         Subsidiaries, joint arrangements and associates     HTML     91K 
                (Tables)                                                         
97: R81         Significant accounting policies, judgements,        HTML     87K 
                estimates and assumptions - Significant accounting               
                policies: use of judgements, estimates and                       
                assumptions (Details)                                            
98: R82         Significant accounting policies, judgements,        HTML     69K 
                estimates and assumptions - Significant judgement:               
                accounting for interests in other entities                       
                (Details)                                                        
99: R83         Significant accounting policies, judgements,        HTML     69K 
                estimates and assumptions - Intangible assets                    
                (Details)                                                        
100: R84         Significant accounting policies, judgements,        HTML     81K  
                estimates and assumptions - Summary of useful                    
                lives of property, plant and equipment (Details)                 
101: R85         Significant accounting policies, judgements,        HTML    131K  
                estimates and assumptions - Impairment of                        
                property, plant and equipment, intangible assets,                
                and goodwill (Details)                                           
102: R86         Significant accounting policies, judgements,        HTML     62K  
                estimates and assumptions - Significant judgement:               
                supplier financing arrangements (Details)                        
103: R87         Significant accounting policies, judgements,        HTML    104K  
                estimates and assumptions - Provisions and                       
                contingencies, decommissioning, environmental                    
                expenditures and liabilities (Details)                           
104: R88         Non-current assets held for sale - Narrative        HTML     77K  
                (Details)                                                        
105: R89         Non-current assets held for sale (Details)          HTML     99K  
106: R90         Business combinations - Narrative (Details)         HTML     80K  
107: R91         Business combinations - Summary of fair values of   HTML    103K  
                identifiable assets and liabilities acquired                     
                (Details)                                                        
108: R92         Disposals and impairment - Schedule of amounts      HTML     83K  
                recognized in the income statement in respect of                 
                disposals and impairments (Details)                              
109: R93         Disposals and impairment - Schedule of proceeds     HTML     75K  
                and principal gains and losses on disposals by                   
                segment (Details)                                                
110: R94         Disposals and impairment - Narrative (Details)      HTML    192K  
111: R95         Disposals and impairment - Summary of financial     HTML     95K  
                information relating to the sale of businesses                   
                (Details)                                                        
112: R96         Segmental analysis - Narrative (Details)            HTML     58K  
113: R97         Segmental analysis - Results by Segment (Details)   HTML    149K  
114: R98         Segmental analysis - Results by Geographical Area   HTML     72K  
                (Details)                                                        
115: R99         Sales and other operating revenues (Details)        HTML     73K  
116: R100        Income statement analysis - Summary of              HTML    101K  
                non-operating income and expense (Details)                       
117: R101        Exploration for and evaluation of oil and natural   HTML     87K  
                gas resources - Summary of exploration and                       
                evaluation information (Details)                                 
118: R102        Taxation - Disclosure of major components of tax    HTML     78K  
                expense (Details)                                                
119: R103        Taxation - Narrative (Details)                      HTML     78K  
120: R104        Taxation - Disclosure of reconciliation of items    HTML    113K  
                affected by overall tax credit (Details)                         
121: R105        Taxation - Disclosure of movement in net deferred   HTML     70K  
                tax liability (Details)                                          
122: R106        Taxation - Disclosure of deferred tax in the        HTML    119K  
                income statement and the balance sheet by category               
                of temporary difference (Details)                                
123: R107        Taxation - Disclosure of temporary differences,     HTML     83K  
                unused tax credits and unused tax losses (Details)               
124: R108        Taxation - Disclosure of unrecognized deferred tax  HTML     66K  
                or write-down of deferred tax assets (Details)                   
125: R109        Dividends - Narrative (Details)                     HTML     65K  
126: R110        Dividends - Schedule of dividends announced and     HTML     86K  
                paid (Details)                                                   
127: R111        Earnings per share - Earnings per share, basic and  HTML     66K  
                diluted (Details)                                                
128: R112        Earnings per share - Weighted average number of     HTML     76K  
                shares outstanding reconciliation (Details)                      
129: R113        Earnings per share - Narrative (Details)            HTML     70K  
130: R114        Earnings per share - Dilutive effect of share       HTML     76K  
                options (Details)                                                
131: R115        Earnings per share - Dilutive effect of share       HTML     76K  
                units (Details)                                                  
132: R116        Property, plant and equipment - Summary of          HTML    210K  
                property, plant and equipment (Details)                          
133: R117        Capital commitments (Details)                       HTML     65K  
134: R118        Goodwill and impairment review of goodwill -        HTML     78K  
                Disclosure of reconciliation of goodwill (Details)               
135: R119        Goodwill and impairment review of goodwill -        HTML     83K  
                Disclosure of goodwill by segment (Details)                      
136: R120        Goodwill and impairment review of goodwill -        HTML     91K  
                Narrative (Details)                                              
137: R121        Intangible assets - Schedule of intangible assets   HTML    129K  
                (Details)                                                        
138: R122        Investments in joint ventures - Summarized          HTML     72K  
                aggregate financial information of joint ventures                
                (Details)                                                        
139: R123        Investments in joint ventures - Narrative           HTML     89K  
                (Details)                                                        
140: R124        Investments in joint ventures - Summarized          HTML    165K  
                financial information relating to joint ventures                 
                (Details)                                                        
141: R125        Investments in joint ventures - Summarized          HTML    179K  
                financial information relating to the group's                    
                share of joint ventures (Details)                                
142: R126        Investments in joint ventures - Transactions        HTML     69K  
                between group and its joint ventures (Details)                   
143: R127        Investments in associates - Summarized aggregate    HTML    154K  
                financial information of associates (Details)                    
144: R128        Investments in associates - Narrative (Details)     HTML     78K  
145: R129        Investments in associates - Summarized financial    HTML    151K  
                information relating to associates (Details)                     
146: R130        Investments in associates - Summary of              HTML     68K  
                transactions between the group and its associates                
                (Details)                                                        
147: R131        Other investments - Schedule of other investments   HTML     69K  
                (Details)                                                        
148: R132        Inventories - Schedule of inventories (Details)     HTML     77K  
149: R133        Inventories - Narrative (Details)                   HTML     63K  
150: R134        Trade and other receivables - Summary of trade and  HTML     94K  
                other receivables (Details)                                      
151: R135        Valuation and qualifying accounts - Schedule of     HTML     79K  
                valuation and qualifying accounts (Details)                      
152: R136        Trade and other payables - Schedule of trade and    HTML    101K  
                other payables (Details)                                         
153: R137        Trade and other payables - Narrative (Details)      HTML     70K  
154: R138        Provisions - Schedule of provisions (Details)       HTML    118K  
155: R139        Pensions and other post-retirement benefits -       HTML     89K  
                Narrative (Details)                                              
156: R140        Pensions and other post-retirement benefits -       HTML     87K  
                Details of assumptions used to estimate benefit                  
                obligations (Details)                                            
157: R141        Pensions and other post-retirement benefits -       HTML     81K  
                Summary of mortality assumptions (Details)                       
158: R142        Pensions and other post-retirement benefits -       HTML     67K  
                Current asset allocation (Details)                               
159: R143        Pensions and other post-retirement benefits - Fair  HTML    132K  
                value of assets held by the defined benefit plans                
                (Details)                                                        
160: R144        Pensions and other post-retirement benefits -       HTML    306K  
                Analysis of the amounts charged to profit (Loss),                
                Recognized in Other Comprehensive Income, and                    
                Movement in Obligations (Details)                                
161: R145        Pensions and other post-retirement benefits -       HTML     83K  
                Sensitivity analysis and actuarial assumptions                   
                (Details)                                                        
162: R146        Pensions and other post-retirement benefits -       HTML     69K  
                Effect of longevity on expenses and obligations                  
                (Details)                                                        
163: R147        Pensions and other post-retirement benefits -       HTML     85K  
                Expected future benefit payments (Details)                       
164: R148        Cash and cash equivalents - Schedule of cash and    HTML     66K  
                cash equivalents (Details)                                       
165: R149        Cash and cash equivalents - Narrative (Details)     HTML     64K  
166: R150        Finance debt - Summary of current and non-current   HTML     66K  
                borrowings (Details)                                             
167: R151        Finance debt - Narrative (Details)                  HTML     74K  
168: R152        Finance debt - Summary of weighted average          HTML     81K  
                interest rates (Details)                                         
169: R153        Finance debt - Summary of fair value and carrying   HTML     69K  
                value of borrowings (Details)                                    
170: R154        Capital disclosures and net debt - Disclosure of    HTML     82K  
                the net debt ratio (Details)                                     
171: R155        Capital disclosures and net debt - Disclosure of    HTML    106K  
                reconciliation of liabilities arising from                       
                financing activities (Details)                                   
172: R156        Capital disclosures and net debt - Narrative        HTML     61K  
                (Details)                                                        
173: R157        Leases - Narrative (Details)                        HTML     61K  
174: R158        Leases - Disclosure of maturity analysis of         HTML     83K  
                operating lease payments (Details)                               
175: R159        Leases - Disclosure of quantitative information     HTML     66K  
                about right-of-use assets (Details)                              
176: R160        Financial instruments and financial risk factors -  HTML    115K  
                Schedule of financial assets and liabilities                     
                (Details)                                                        
177: R161        Financial instruments and financial risk factors -  HTML    192K  
                Narrative (Details)                                              
178: R162        Financial instruments and financial risk factors -  HTML     73K  
                Summary of credit risk profile of financial assets               
                (Details)                                                        
179: R163        Financial instruments and financial risk factors -  HTML    108K  
                Financial instruments subject to offsetting,                     
                enforceable master netting arrangements and                      
                similar agreements (Details)                                     
180: R164        Financial instruments and financial risk factors -  HTML    114K  
                Schedule of timing of cash outflows (Details)                    
181: R165        Financial instruments and financial risk factors -  HTML     79K  
                Schedule of future cash outflows for derivative                  
                instruments (Details)                                            
182: R166        Derivative financial instruments - Summary of fair  HTML    107K  
                value of derivative instruments (Details)                        
183: R167        Derivative financial instruments - Summary of       HTML    132K  
                maturities of derivative assets and liabilities                  
                (Details)                                                        
184: R168        Derivative financial instruments - Analysis of      HTML    147K  
                fair value derivative sssets and liabilities by                  
                maturity and fair value estimation (Details)                     
185: R169        Derivative financial instruments - Disclosure of    HTML     95K  
                changes in fair value of derivative instruments                  
                (Details)                                                        
186: R170        Derivative financial instruments - Narrative        HTML     81K  
                (Details)                                                        
187: R171        Derivative financial instruments - Fair value of    HTML     73K  
                hedge ineffectiveness (Details)                                  
188: R172        Derivative financial instruments - Carrying and     HTML     73K  
                notional amounts of hedges (Details)                             
189: R173        Derivative financial instruments - Weighted         HTML     66K  
                average exchange rates and sales prices, cash flow               
                hedges (Details)                                                 
190: R174        Derivative financial instruments - Summary of       HTML     71K  
                changes in fair value, hedges used to calculate                  
                ineffectiveness (Details)                                        
191: R175        Derivative financial instruments - Summary of       HTML     69K  
                carrying amount of fair value hedges (Details)                   
192: R176        Derivative financial instruments - Summary of       HTML     86K  
                tenor of nominal amount of hedges (Details)                      
193: R177        Derivative financial instruments - Weighted         HTML     69K  
                average exchange rates of hedges (Details)                       
194: R178        Derivative financial instruments - Accumulated      HTML     73K  
                fair value adjustments of the hedged items                       
                (Details)                                                        
195: R179        Derivative financial instruments - Movement in      HTML    116K  
                reserves related to hedge accounting (Details)                   
196: R180        Called-up share capital - Summary of allotted,      HTML    102K  
                called up and fully paid share capital (Details)                 
197: R181        Called-up share capital - Narrative (Details)       HTML     81K  
198: R182        Called-up share capital - Treasury shares           HTML     77K  
                (Details)                                                        
199: R183        Capital and reserves - Summary of reserves and      HTML    236K  
                other equity interest (Details)                                  
200: R184        Capital and reserves - Narrative (Details)          HTML    106K  
201: R185        Capital and reserves - Summary of pre-tax tax       HTML    136K  
                amounts of component of other comprehensive income               
                (Details)                                                        
202: R186        Contingent liabilities and legal proceedings -      HTML     91K  
                Disclosure of legal proceedings (Details)                        
203: R187        Remuneration of senior management and               HTML     73K  
                non-executive directors - Remuneration of                        
                directors, senior managment, and non-executive                   
                directors (Details)                                              
204: R188        Employee costs and numbers (Details)                HTML     98K  
205: R189        Auditor?s remuneration - Summary of auditor's       HTML     72K  
                remuneration (Details)                                           
206: R190        Auditor?s remuneration - Narrative (Details)        HTML     68K  
207: R191        Subsidiaries, joint arrangements and associates -   HTML    112K  
                Disclosures of interests in subsidiaries, joint                  
                arrangements, and associates (Details)                           
208: R192        Events after reporting period (Details)             HTML     69K  
209: R9999       Uncategorized Items - bp-20231231.htm               HTML     71K  
211: XML         IDEA XML File -- Filing Summary                      XML    446K  
214: XML         XBRL Instance -- bp-20231231_htm                     XML  12.90M  
210: EXCEL       IDEA Workbook of Financial Report Info              XLSX    603K  
13: EX-101.CAL  XBRL Calculations -- bp-20231231_cal                 XML    553K 
14: EX-101.DEF  XBRL Definitions -- bp-20231231_def                  XML   2.97M 
15: EX-101.LAB  XBRL Labels -- bp-20231231_lab                       XML   4.50M 
16: EX-101.PRE  XBRL Presentations -- bp-20231231_pre                XML   3.62M 
12: EX-101.SCH  XBRL Schema -- bp-20231231                           XSD    720K 
212: JSON        XBRL Instance as JSON Data -- MetaLinks              942±  1.54M  
213: ZIP         XBRL Zipped Folder -- 0000313807-24-000008-xbrl      Zip  38.87M

‘XML’   —   IDEA XML File — Filing Summary

This Document is an IDEA XML File.

                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<FilingSummary>
<Version> 3.24.0.1 </Version>
<ProcessingTime/>
<ReportFormat> html </ReportFormat>
<ContextCount> 1756 </ContextCount>
<ElementCount> 826 </ElementCount>
<EntityCount> 1 </EntityCount>
<FootnotesReported> true </FootnotesReported>
<SegmentCount> 383 </SegmentCount>
<ScenarioCount> 0 </ScenarioCount>
<TuplesReported> false </TuplesReported>
<UnitCount> 22 </UnitCount>
<MyReports>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R1.htm </HtmlFileName>
<LongName> 0000001 - Document - Cover </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Cover </Role>
<ShortName> Cover </ShortName>
<MenuCategory> Cover </MenuCategory>
<Position> 1 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R2.htm </HtmlFileName>
<LongName> 0000002 - Statement - Group income statement </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Groupincomestatement </Role>
<ShortName> Group income statement </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 2 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R3.htm </HtmlFileName>
<LongName> 0000003 - Statement - Group statement of comprehensive income </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Groupstatementofcomprehensiveincome </Role>
<ShortName> Group statement of comprehensive income </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 3 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R4.htm </HtmlFileName>
<LongName> 0000004 - Statement - Group statement of changes in equity </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Groupstatementofchangesinequity </Role>
<ShortName> Group statement of changes in equity </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 4 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R5.htm </HtmlFileName>
<LongName> 0000005 - Statement - Group balance sheet </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Groupbalancesheet </Role>
<ShortName> Group balance sheet </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 5 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R6.htm </HtmlFileName>
<LongName> 0000006 - Statement - Group cash flow statement </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Groupcashflowstatement </Role>
<ShortName> Group cash flow statement </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 6 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R7.htm </HtmlFileName>
<LongName> 0000007 - Disclosure - Significant accounting policies, judgements, estimates and assumptions </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Significantaccountingpoliciesjudgementsestimatesandassumptions </Role>
<ShortName> Significant accounting policies, judgements, estimates and assumptions </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 7 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R8.htm </HtmlFileName>
<LongName> 0000008 - Disclosure - Non-current assets held for sale (Notes) </LongName>
<ReportType> Notes </ReportType>
<Role> http://www.bp.com/role/NoncurrentassetsheldforsaleNotes </Role>
<ShortName> Non-current assets held for sale (Notes) </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 8 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R9.htm </HtmlFileName>
<LongName> 0000009 - Disclosure - Business combinations </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Businesscombinations </Role>
<ShortName> Business combinations </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 9 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R10.htm </HtmlFileName>
<LongName> 0000010 - Disclosure - Disposals and impairment </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Disposalsandimpairment </Role>
<ShortName> Disposals and impairment </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 10 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R11.htm </HtmlFileName>
<LongName> 0000011 - Disclosure - Segmental analysis </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Segmentalanalysis </Role>
<ShortName> Segmental analysis </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 11 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R12.htm </HtmlFileName>
<LongName> 0000012 - Disclosure - Sales and other operating revenues </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Salesandotheroperatingrevenues </Role>
<ShortName> Sales and other operating revenues </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 12 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R13.htm </HtmlFileName>
<LongName> 0000013 - Disclosure - Income statement analysis </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Incomestatementanalysis </Role>
<ShortName> Income statement analysis </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 13 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R14.htm </HtmlFileName>
<LongName> 0000014 - Disclosure - Exploration for and evaluation of oil and natural gas resources </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Explorationforandevaluationofoilandnaturalgasresources </Role>
<ShortName> Exploration for and evaluation of oil and natural gas resources </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 14 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R15.htm </HtmlFileName>
<LongName> 0000015 - Disclosure - Taxation </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Taxation </Role>
<ShortName> Taxation </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 15 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R16.htm </HtmlFileName>
<LongName> 0000016 - Disclosure - Dividends </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Dividends </Role>
<ShortName> Dividends </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 16 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R17.htm </HtmlFileName>
<LongName> 0000017 - Disclosure - Earnings per share </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Earningspershare </Role>
<ShortName> Earnings per share </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 17 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R18.htm </HtmlFileName>
<LongName> 0000018 - Disclosure - Property, plant and equipment </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Propertyplantandequipment </Role>
<ShortName> Property, plant and equipment </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 18 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R19.htm </HtmlFileName>
<LongName> 0000019 - Disclosure - Capital commitments </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Capitalcommitments </Role>
<ShortName> Capital commitments </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 19 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R20.htm </HtmlFileName>
<LongName> 0000020 - Disclosure - Goodwill and impairment review of goodwill </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Goodwillandimpairmentreviewofgoodwill </Role>
<ShortName> Goodwill and impairment review of goodwill </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 20 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R21.htm </HtmlFileName>
<LongName> 0000021 - Disclosure - Intangible assets </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Intangibleassets </Role>
<ShortName> Intangible assets </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 21 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R22.htm </HtmlFileName>
<LongName> 0000022 - Disclosure - Investments in joint ventures (Notes) </LongName>
<ReportType> Notes </ReportType>
<Role> http://www.bp.com/role/InvestmentsinjointventuresNotes </Role>
<ShortName> Investments in joint ventures (Notes) </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 22 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R23.htm </HtmlFileName>
<LongName> 0000023 - Disclosure - Investments in associates </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Investmentsinassociates </Role>
<ShortName> Investments in associates </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 23 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R24.htm </HtmlFileName>
<LongName> 0000024 - Disclosure - Other investments </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Otherinvestments </Role>
<ShortName> Other investments </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 24 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R25.htm </HtmlFileName>
<LongName> 0000025 - Disclosure - Inventories </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Inventories </Role>
<ShortName> Inventories </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 25 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R26.htm </HtmlFileName>
<LongName> 0000026 - Disclosure - Trade and other receivables </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Tradeandotherreceivables </Role>
<ShortName> Trade and other receivables </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 26 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R27.htm </HtmlFileName>
<LongName> 0000027 - Disclosure - Valuation and qualifying accounts (Notes) </LongName>
<ReportType> Notes </ReportType>
<Role> http://www.bp.com/role/ValuationandqualifyingaccountsNotes </Role>
<ShortName> Valuation and qualifying accounts (Notes) </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 27 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R28.htm </HtmlFileName>
<LongName> 0000028 - Disclosure - Trade and other payables </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Tradeandotherpayables </Role>
<ShortName> Trade and other payables </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 28 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R29.htm </HtmlFileName>
<LongName> 0000029 - Disclosure - Provisions </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Provisions </Role>
<ShortName> Provisions </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 29 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R30.htm </HtmlFileName>
<LongName> 0000030 - Disclosure - Pensions and other post-retirement benefits </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Pensionsandotherpostretirementbenefits </Role>
<ShortName> Pensions and other post-retirement benefits </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 30 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R31.htm </HtmlFileName>
<LongName> 0000031 - Disclosure - Cash and cash equivalents </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Cashandcashequivalents </Role>
<ShortName> Cash and cash equivalents </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 31 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R32.htm </HtmlFileName>
<LongName> 0000032 - Disclosure - Finance debt </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Financedebt </Role>
<ShortName> Finance debt </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 32 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R33.htm </HtmlFileName>
<LongName> 0000033 - Disclosure - Capital disclosures and net debt </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Capitaldisclosuresandnetdebt </Role>
<ShortName> Capital disclosures and net debt </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 33 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R34.htm </HtmlFileName>
<LongName> 0000034 - Disclosure - Leases </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Leases </Role>
<ShortName> Leases </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 34 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R35.htm </HtmlFileName>
<LongName> 0000035 - Disclosure - Financial instruments and financial risk factors </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Financialinstrumentsandfinancialriskfactors </Role>
<ShortName> Financial instruments and financial risk factors </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 35 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R36.htm </HtmlFileName>
<LongName> 0000036 - Disclosure - Derivative financial instruments </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Derivativefinancialinstruments </Role>
<ShortName> Derivative financial instruments </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 36 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R37.htm </HtmlFileName>
<LongName> 0000037 - Disclosure - Called-up share capital </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Calledupsharecapital </Role>
<ShortName> Called-up share capital </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 37 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R38.htm </HtmlFileName>
<LongName> 0000038 - Disclosure - Capital and reserves </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Capitalandreserves </Role>
<ShortName> Capital and reserves </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 38 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R39.htm </HtmlFileName>
<LongName> 0000039 - Disclosure - Contingent liabilities and legal proceedings </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Contingentliabilitiesandlegalproceedings </Role>
<ShortName> Contingent liabilities and legal proceedings </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 39 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R40.htm </HtmlFileName>
<LongName> 0000040 - Disclosure - Remuneration of senior management and non-executive directors </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Remunerationofseniormanagementandnonexecutivedirectors </Role>
<ShortName> Remuneration of senior management and non-executive directors </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 40 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R41.htm </HtmlFileName>
<LongName> 0000041 - Disclosure - Employee costs and numbers </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Employeecostsandnumbers </Role>
<ShortName> Employee costs and numbers </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 41 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R42.htm </HtmlFileName>
<LongName> 0000042 - Disclosure - Auditor???s remuneration </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Auditorsremuneration </Role>
<ShortName> Auditor???s remuneration </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 42 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R43.htm </HtmlFileName>
<LongName> 0000043 - Disclosure - Subsidiaries, joint arrangements and associates </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Subsidiariesjointarrangementsandassociates </Role>
<ShortName> Subsidiaries, joint arrangements and associates </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 43 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R44.htm </HtmlFileName>
<LongName> 0000044 - Disclosure - Events after reporting period </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/Eventsafterreportingperiod </Role>
<ShortName> Events after reporting period </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 44 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R45.htm </HtmlFileName>
<LongName> 9954471 - Disclosure - Significant accounting policies, judgements, estimates and assumptions (Policies) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/SignificantaccountingpoliciesjudgementsestimatesandassumptionsPolicies </Role>
<ShortName> Significant accounting policies, judgements, estimates and assumptions (Policies) </ShortName>
<MenuCategory> Policies </MenuCategory>
<Position> 45 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R46.htm </HtmlFileName>
<LongName> 9954472 - Disclosure - Significant accounting policies, judgements, estimates and assumptions (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/SignificantaccountingpoliciesjudgementsestimatesandassumptionsTables </Role>
<ShortName> Significant accounting policies, judgements, estimates and assumptions (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Significantaccountingpoliciesjudgementsestimatesandassumptions </ParentRole>
<Position> 46 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R47.htm </HtmlFileName>
<LongName> 9954473 - Disclosure - Non-current assets held for sale (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/NoncurrentassetsheldforsaleTables </Role>
<ShortName> Non-current assets held for sale (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/NoncurrentassetsheldforsaleNotes </ParentRole>
<Position> 47 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R48.htm </HtmlFileName>
<LongName> 9954474 - Disclosure - Business combinations (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/BusinesscombinationsTables </Role>
<ShortName> Business combinations (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Businesscombinations </ParentRole>
<Position> 48 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R49.htm </HtmlFileName>
<LongName> 9954475 - Disclosure - Disposals and impairment (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/DisposalsandimpairmentTables </Role>
<ShortName> Disposals and impairment (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Disposalsandimpairment </ParentRole>
<Position> 49 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R50.htm </HtmlFileName>
<LongName> 9954476 - Disclosure - Segmental analysis (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/SegmentalanalysisTables </Role>
<ShortName> Segmental analysis (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Segmentalanalysis </ParentRole>
<Position> 50 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R51.htm </HtmlFileName>
<LongName> 9954477 - Disclosure - Sales and other operating revenues (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/SalesandotheroperatingrevenuesTables </Role>
<ShortName> Sales and other operating revenues (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Salesandotheroperatingrevenues </ParentRole>
<Position> 51 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R52.htm </HtmlFileName>
<LongName> 9954478 - Disclosure - Income statement analysis (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/IncomestatementanalysisTables </Role>
<ShortName> Income statement analysis (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Incomestatementanalysis </ParentRole>
<Position> 52 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R53.htm </HtmlFileName>
<LongName> 9954479 - Disclosure - Exploration for and evaluation of oil and natural gas resources (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/ExplorationforandevaluationofoilandnaturalgasresourcesTables </Role>
<ShortName> Exploration for and evaluation of oil and natural gas resources (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Explorationforandevaluationofoilandnaturalgasresources </ParentRole>
<Position> 53 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R54.htm </HtmlFileName>
<LongName> 9954480 - Disclosure - Taxation (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/TaxationTables </Role>
<ShortName> Taxation (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Taxation </ParentRole>
<Position> 54 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R55.htm </HtmlFileName>
<LongName> 9954481 - Disclosure - Dividends (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/DividendsTables </Role>
<ShortName> Dividends (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Dividends </ParentRole>
<Position> 55 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R56.htm </HtmlFileName>
<LongName> 9954482 - Disclosure - Earnings per share (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/EarningspershareTables </Role>
<ShortName> Earnings per share (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Earningspershare </ParentRole>
<Position> 56 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R57.htm </HtmlFileName>
<LongName> 9954483 - Disclosure - Property, plant and equipment (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/PropertyplantandequipmentTables </Role>
<ShortName> Property, plant and equipment (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Propertyplantandequipment </ParentRole>
<Position> 57 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R58.htm </HtmlFileName>
<LongName> 9954484 - Disclosure - Goodwill and impairment review of goodwill (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/GoodwillandimpairmentreviewofgoodwillTables </Role>
<ShortName> Goodwill and impairment review of goodwill (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Goodwillandimpairmentreviewofgoodwill </ParentRole>
<Position> 58 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R59.htm </HtmlFileName>
<LongName> 9954485 - Disclosure - Intangible assets (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/IntangibleassetsTables </Role>
<ShortName> Intangible assets (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Intangibleassets </ParentRole>
<Position> 59 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R60.htm </HtmlFileName>
<LongName> 9954486 - Disclosure - Investments in joint ventures (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/InvestmentsinjointventuresTables </Role>
<ShortName> Investments in joint ventures (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/InvestmentsinjointventuresNotes </ParentRole>
<Position> 60 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R61.htm </HtmlFileName>
<LongName> 9954487 - Disclosure - Investments in associates (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/InvestmentsinassociatesTables </Role>
<ShortName> Investments in associates (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Investmentsinassociates </ParentRole>
<Position> 61 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R62.htm </HtmlFileName>
<LongName> 9954488 - Disclosure - Other investments (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/OtherinvestmentsTables </Role>
<ShortName> Other investments (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Otherinvestments </ParentRole>
<Position> 62 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R63.htm </HtmlFileName>
<LongName> 9954489 - Disclosure - Inventories (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/InventoriesTables </Role>
<ShortName> Inventories (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Inventories </ParentRole>
<Position> 63 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R64.htm </HtmlFileName>
<LongName> 9954490 - Disclosure - Trade and other receivables (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/TradeandotherreceivablesTables </Role>
<ShortName> Trade and other receivables (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Tradeandotherreceivables </ParentRole>
<Position> 64 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R65.htm </HtmlFileName>
<LongName> 9954491 - Disclosure - Valuation and qualifying accounts (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/ValuationandqualifyingaccountsTables </Role>
<ShortName> Valuation and qualifying accounts (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/ValuationandqualifyingaccountsNotes </ParentRole>
<Position> 65 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R66.htm </HtmlFileName>
<LongName> 9954492 - Disclosure - Trade and other payables (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/TradeandotherpayablesTables </Role>
<ShortName> Trade and other payables (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Tradeandotherpayables </ParentRole>
<Position> 66 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R67.htm </HtmlFileName>
<LongName> 9954493 - Disclosure - Provisions (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/ProvisionsTables </Role>
<ShortName> Provisions (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Provisions </ParentRole>
<Position> 67 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R68.htm </HtmlFileName>
<LongName> 9954494 - Disclosure - Pensions and other post-retirement benefits (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/PensionsandotherpostretirementbenefitsTables </Role>
<ShortName> Pensions and other post-retirement benefits (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Pensionsandotherpostretirementbenefits </ParentRole>
<Position> 68 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R69.htm </HtmlFileName>
<LongName> 9954495 - Disclosure - Cash and cash equivalents (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/CashandcashequivalentsTables </Role>
<ShortName> Cash and cash equivalents (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Cashandcashequivalents </ParentRole>
<Position> 69 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R70.htm </HtmlFileName>
<LongName> 9954496 - Disclosure - Finance debt (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/FinancedebtTables </Role>
<ShortName> Finance debt (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Financedebt </ParentRole>
<Position> 70 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R71.htm </HtmlFileName>
<LongName> 9954497 - Disclosure - Capital disclosures and net debt (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/CapitaldisclosuresandnetdebtTables </Role>
<ShortName> Capital disclosures and net debt (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Capitaldisclosuresandnetdebt </ParentRole>
<Position> 71 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R72.htm </HtmlFileName>
<LongName> 9954498 - Disclosure - Leases (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/LeasesTables </Role>
<ShortName> Leases (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Leases </ParentRole>
<Position> 72 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R73.htm </HtmlFileName>
<LongName> 9954499 - Disclosure - Financial instruments and financial risk factors (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/FinancialinstrumentsandfinancialriskfactorsTables </Role>
<ShortName> Financial instruments and financial risk factors (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Financialinstrumentsandfinancialriskfactors </ParentRole>
<Position> 73 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R74.htm </HtmlFileName>
<LongName> 9954500 - Disclosure - Derivative financial instruments (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/DerivativefinancialinstrumentsTables </Role>
<ShortName> Derivative financial instruments (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Derivativefinancialinstruments </ParentRole>
<Position> 74 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R75.htm </HtmlFileName>
<LongName> 9954501 - Disclosure - Called-up share capital (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/CalledupsharecapitalTables </Role>
<ShortName> Called-up share capital (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Calledupsharecapital </ParentRole>
<Position> 75 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R76.htm </HtmlFileName>
<LongName> 9954502 - Disclosure - Capital and reserves (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/CapitalandreservesTables </Role>
<ShortName> Capital and reserves (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Capitalandreserves </ParentRole>
<Position> 76 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R77.htm </HtmlFileName>
<LongName> 9954503 - Disclosure - Remuneration of senior management and non-executive directors (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/RemunerationofseniormanagementandnonexecutivedirectorsTables </Role>
<ShortName> Remuneration of senior management and non-executive directors (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Remunerationofseniormanagementandnonexecutivedirectors </ParentRole>
<Position> 77 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R78.htm </HtmlFileName>
<LongName> 9954504 - Disclosure - Employee costs and numbers (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/EmployeecostsandnumbersTables </Role>
<ShortName> Employee costs and numbers (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Employeecostsandnumbers </ParentRole>
<Position> 78 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R79.htm </HtmlFileName>
<LongName> 9954505 - Disclosure - Auditor???s remuneration (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/AuditorsremunerationTables </Role>
<ShortName> Auditor???s remuneration (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Auditorsremuneration </ParentRole>
<Position> 79 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R80.htm </HtmlFileName>
<LongName> 9954506 - Disclosure - Subsidiaries, joint arrangements and associates (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/SubsidiariesjointarrangementsandassociatesTables </Role>
<ShortName> Subsidiaries, joint arrangements and associates (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bp.com/role/Subsidiariesjointarrangementsandassociates </ParentRole>
<Position> 80 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R81.htm </HtmlFileName>
<LongName> 9954507 - Disclosure - Significant accounting policies, judgements, estimates and assumptions - Significant accounting policies: use of judgements, estimates and assumptions (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/SignificantaccountingpoliciesjudgementsestimatesandassumptionsSignificantaccountingpoliciesuseofjudgementsestimatesandassumptionsDetails </Role>
<ShortName> Significant accounting policies, judgements, estimates and assumptions - Significant accounting policies: use of judgements, estimates and assumptions (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 81 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R82.htm </HtmlFileName>
<LongName> 9954508 - Disclosure - Significant accounting policies, judgements, estimates and assumptions - Significant judgement: accounting for interests in other entities (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/SignificantaccountingpoliciesjudgementsestimatesandassumptionsSignificantjudgementaccountingforinterestsinotherentitiesDetails </Role>
<ShortName> Significant accounting policies, judgements, estimates and assumptions - Significant judgement: accounting for interests in other entities (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 82 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R83.htm </HtmlFileName>
<LongName> 9954509 - Disclosure - Significant accounting policies, judgements, estimates and assumptions - Intangible assets (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/SignificantaccountingpoliciesjudgementsestimatesandassumptionsIntangibleassetsDetails </Role>
<ShortName> Significant accounting policies, judgements, estimates and assumptions - Intangible assets (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 83 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R84.htm </HtmlFileName>
<LongName> 9954510 - Disclosure - Significant accounting policies, judgements, estimates and assumptions - Summary of useful lives of property, plant and equipment (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/SignificantaccountingpoliciesjudgementsestimatesandassumptionsSummaryofusefullivesofpropertyplantandequipmentDetails </Role>
<ShortName> Significant accounting policies, judgements, estimates and assumptions - Summary of useful lives of property, plant and equipment (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 84 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R85.htm </HtmlFileName>
<LongName> 9954511 - Disclosure - Significant accounting policies, judgements, estimates and assumptions - Impairment of property, plant and equipment, intangible assets, and goodwill (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/SignificantaccountingpoliciesjudgementsestimatesandassumptionsImpairmentofpropertyplantandequipmentintangibleassetsandgoodwillDetails </Role>
<ShortName> Significant accounting policies, judgements, estimates and assumptions - Impairment of property, plant and equipment, intangible assets, and goodwill (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 85 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R86.htm </HtmlFileName>
<LongName> 9954512 - Disclosure - Significant accounting policies, judgements, estimates and assumptions - Significant judgement: supplier financing arrangements (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/SignificantaccountingpoliciesjudgementsestimatesandassumptionsSignificantjudgementsupplierfinancingarrangementsDetails </Role>
<ShortName> Significant accounting policies, judgements, estimates and assumptions - Significant judgement: supplier financing arrangements (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 86 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R87.htm </HtmlFileName>
<LongName> 9954513 - Disclosure - Significant accounting policies, judgements, estimates and assumptions - Provisions and contingencies, decommissioning, environmental expenditures and liabilities (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/SignificantaccountingpoliciesjudgementsestimatesandassumptionsProvisionsandcontingenciesdecommissioningenvironmentalexpendituresandliabilitiesDetails </Role>
<ShortName> Significant accounting policies, judgements, estimates and assumptions - Provisions and contingencies, decommissioning, environmental expenditures and liabilities (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 87 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R88.htm </HtmlFileName>
<LongName> 9954514 - Disclosure - Non-current assets held for sale - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/NoncurrentassetsheldforsaleNarrativeDetails </Role>
<ShortName> Non-current assets held for sale - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 88 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R89.htm </HtmlFileName>
<LongName> 9954515 - Disclosure - Non-current assets held for sale (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/NoncurrentassetsheldforsaleDetails </Role>
<ShortName> Non-current assets held for sale (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.bp.com/role/NoncurrentassetsheldforsaleTables </ParentRole>
<Position> 89 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R90.htm </HtmlFileName>
<LongName> 9954516 - Disclosure - Business combinations - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/BusinesscombinationsNarrativeDetails </Role>
<ShortName> Business combinations - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 90 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R91.htm </HtmlFileName>
<LongName> 9954517 - Disclosure - Business combinations - Summary of fair values of identifiable assets and liabilities acquired (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/BusinesscombinationsSummaryoffairvaluesofidentifiableassetsandliabilitiesacquiredDetails </Role>
<ShortName> Business combinations - Summary of fair values of identifiable assets and liabilities acquired (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 91 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R92.htm </HtmlFileName>
<LongName> 9954518 - Disclosure - Disposals and impairment - Schedule of amounts recognized in the income statement in respect of disposals and impairments (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/DisposalsandimpairmentScheduleofamountsrecognizedintheincomestatementinrespectofdisposalsandimpairmentsDetails </Role>
<ShortName> Disposals and impairment - Schedule of amounts recognized in the income statement in respect of disposals and impairments (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 92 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R93.htm </HtmlFileName>
<LongName> 9954519 - Disclosure - Disposals and impairment - Schedule of proceeds and principal gains and losses on disposals by segment (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/DisposalsandimpairmentScheduleofproceedsandprincipalgainsandlossesondisposalsbysegmentDetails </Role>
<ShortName> Disposals and impairment - Schedule of proceeds and principal gains and losses on disposals by segment (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 93 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R94.htm </HtmlFileName>
<LongName> 9954520 - Disclosure - Disposals and impairment - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/DisposalsandimpairmentNarrativeDetails </Role>
<ShortName> Disposals and impairment - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 94 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R95.htm </HtmlFileName>
<LongName> 9954521 - Disclosure - Disposals and impairment - Summary of financial information relating to the sale of businesses (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/DisposalsandimpairmentSummaryoffinancialinformationrelatingtothesaleofbusinessesDetails </Role>
<ShortName> Disposals and impairment - Summary of financial information relating to the sale of businesses (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 95 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R96.htm </HtmlFileName>
<LongName> 9954522 - Disclosure - Segmental analysis - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/SegmentalanalysisNarrativeDetails </Role>
<ShortName> Segmental analysis - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 96 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R97.htm </HtmlFileName>
<LongName> 9954523 - Disclosure - Segmental analysis - Results by Segment (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/SegmentalanalysisResultsbySegmentDetails </Role>
<ShortName> Segmental analysis - Results by Segment (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 97 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R98.htm </HtmlFileName>
<LongName> 9954524 - Disclosure - Segmental analysis - Results by Geographical Area (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/SegmentalanalysisResultsbyGeographicalAreaDetails </Role>
<ShortName> Segmental analysis - Results by Geographical Area (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 98 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R99.htm </HtmlFileName>
<LongName> 9954525 - Disclosure - Sales and other operating revenues (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/SalesandotheroperatingrevenuesDetails </Role>
<ShortName> Sales and other operating revenues (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.bp.com/role/SalesandotheroperatingrevenuesTables </ParentRole>
<Position> 99 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R100.htm </HtmlFileName>
<LongName> 9954526 - Disclosure - Income statement analysis - Summary of non-operating income and expense (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/IncomestatementanalysisSummaryofnonoperatingincomeandexpenseDetails </Role>
<ShortName> Income statement analysis - Summary of non-operating income and expense (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 100 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R101.htm </HtmlFileName>
<LongName> 9954527 - Disclosure - Exploration for and evaluation of oil and natural gas resources - Summary of exploration and evaluation information (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/ExplorationforandevaluationofoilandnaturalgasresourcesSummaryofexplorationandevaluationinformationDetails </Role>
<ShortName> Exploration for and evaluation of oil and natural gas resources - Summary of exploration and evaluation information (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 101 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R102.htm </HtmlFileName>
<LongName> 9954528 - Disclosure - Taxation - Disclosure of major components of tax expense (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/TaxationDisclosureofmajorcomponentsoftaxexpenseDetails </Role>
<ShortName> Taxation - Disclosure of major components of tax expense (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 102 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R103.htm </HtmlFileName>
<LongName> 9954529 - Disclosure - Taxation - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/TaxationNarrativeDetails </Role>
<ShortName> Taxation - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 103 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R104.htm </HtmlFileName>
<LongName> 9954530 - Disclosure - Taxation - Disclosure of reconciliation of items affected by overall tax credit (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/TaxationDisclosureofreconciliationofitemsaffectedbyoveralltaxcreditDetails </Role>
<ShortName> Taxation - Disclosure of reconciliation of items affected by overall tax credit (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 104 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R105.htm </HtmlFileName>
<LongName> 9954531 - Disclosure - Taxation - Disclosure of movement in net deferred tax liability (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/TaxationDisclosureofmovementinnetdeferredtaxliabilityDetails </Role>
<ShortName> Taxation - Disclosure of movement in net deferred tax liability (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 105 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R106.htm </HtmlFileName>
<LongName> 9954532 - Disclosure - Taxation - Disclosure of deferred tax in the income statement and the balance sheet by category of temporary difference (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/TaxationDisclosureofdeferredtaxintheincomestatementandthebalancesheetbycategoryoftemporarydifferenceDetails </Role>
<ShortName> Taxation - Disclosure of deferred tax in the income statement and the balance sheet by category of temporary difference (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 106 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R107.htm </HtmlFileName>
<LongName> 9954533 - Disclosure - Taxation - Disclosure of temporary differences, unused tax credits and unused tax losses (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/TaxationDisclosureoftemporarydifferencesunusedtaxcreditsandunusedtaxlossesDetails </Role>
<ShortName> Taxation - Disclosure of temporary differences, unused tax credits and unused tax losses (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 107 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R108.htm </HtmlFileName>
<LongName> 9954534 - Disclosure - Taxation - Disclosure of unrecognized deferred tax or write-down of deferred tax assets (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/TaxationDisclosureofunrecognizeddeferredtaxorwritedownofdeferredtaxassetsDetails </Role>
<ShortName> Taxation - Disclosure of unrecognized deferred tax or write-down of deferred tax assets (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 108 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R109.htm </HtmlFileName>
<LongName> 9954535 - Disclosure - Dividends - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/DividendsNarrativeDetails </Role>
<ShortName> Dividends - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 109 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R110.htm </HtmlFileName>
<LongName> 9954536 - Disclosure - Dividends - Schedule of dividends announced and paid (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/DividendsScheduleofdividendsannouncedandpaidDetails </Role>
<ShortName> Dividends - Schedule of dividends announced and paid (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 110 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R111.htm </HtmlFileName>
<LongName> 9954537 - Disclosure - Earnings per share - Earnings per share, basic and diluted (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/EarningspershareEarningspersharebasicanddilutedDetails </Role>
<ShortName> Earnings per share - Earnings per share, basic and diluted (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 111 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R112.htm </HtmlFileName>
<LongName> 9954538 - Disclosure - Earnings per share - Weighted average number of shares outstanding reconciliation (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/EarningspershareWeightedaveragenumberofsharesoutstandingreconciliationDetails </Role>
<ShortName> Earnings per share - Weighted average number of shares outstanding reconciliation (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 112 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R113.htm </HtmlFileName>
<LongName> 9954539 - Disclosure - Earnings per share - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/EarningspershareNarrativeDetails </Role>
<ShortName> Earnings per share - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 113 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R114.htm </HtmlFileName>
<LongName> 9954540 - Disclosure - Earnings per share - Dilutive effect of share options (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/EarningspershareDilutiveeffectofshareoptionsDetails </Role>
<ShortName> Earnings per share - Dilutive effect of share options (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 114 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R115.htm </HtmlFileName>
<LongName> 9954541 - Disclosure - Earnings per share - Dilutive effect of share units (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/EarningspershareDilutiveeffectofshareunitsDetails </Role>
<ShortName> Earnings per share - Dilutive effect of share units (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 115 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R116.htm </HtmlFileName>
<LongName> 9954542 - Disclosure - Property, plant and equipment - Summary of property, plant and equipment (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/PropertyplantandequipmentSummaryofpropertyplantandequipmentDetails </Role>
<ShortName> Property, plant and equipment - Summary of property, plant and equipment (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 116 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R117.htm </HtmlFileName>
<LongName> 9954543 - Disclosure - Capital commitments (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/CapitalcommitmentsDetails </Role>
<ShortName> Capital commitments (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.bp.com/role/Capitalcommitments </ParentRole>
<Position> 117 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R118.htm </HtmlFileName>
<LongName> 9954544 - Disclosure - Goodwill and impairment review of goodwill - Disclosure of reconciliation of goodwill (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/GoodwillandimpairmentreviewofgoodwillDisclosureofreconciliationofgoodwillDetails </Role>
<ShortName> Goodwill and impairment review of goodwill - Disclosure of reconciliation of goodwill (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 118 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R119.htm </HtmlFileName>
<LongName> 9954545 - Disclosure - Goodwill and impairment review of goodwill - Disclosure of goodwill by segment (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/GoodwillandimpairmentreviewofgoodwillDisclosureofgoodwillbysegmentDetails </Role>
<ShortName> Goodwill and impairment review of goodwill - Disclosure of goodwill by segment (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 119 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R120.htm </HtmlFileName>
<LongName> 9954546 - Disclosure - Goodwill and impairment review of goodwill - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/GoodwillandimpairmentreviewofgoodwillNarrativeDetails </Role>
<ShortName> Goodwill and impairment review of goodwill - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 120 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R121.htm </HtmlFileName>
<LongName> 9954547 - Disclosure - Intangible assets - Schedule of intangible assets (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/IntangibleassetsScheduleofintangibleassetsDetails </Role>
<ShortName> Intangible assets - Schedule of intangible assets (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 121 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R122.htm </HtmlFileName>
<LongName> 9954548 - Disclosure - Investments in joint ventures - Summarized aggregate financial information of joint ventures (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/InvestmentsinjointventuresSummarizedaggregatefinancialinformationofjointventuresDetails </Role>
<ShortName> Investments in joint ventures - Summarized aggregate financial information of joint ventures (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 122 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R123.htm </HtmlFileName>
<LongName> 9954549 - Disclosure - Investments in joint ventures - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/InvestmentsinjointventuresNarrativeDetails </Role>
<ShortName> Investments in joint ventures - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 123 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R124.htm </HtmlFileName>
<LongName> 9954550 - Disclosure - Investments in joint ventures - Summarized financial information relating to joint ventures (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/InvestmentsinjointventuresSummarizedfinancialinformationrelatingtojointventuresDetails </Role>
<ShortName> Investments in joint ventures - Summarized financial information relating to joint ventures (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 124 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R125.htm </HtmlFileName>
<LongName> 9954551 - Disclosure - Investments in joint ventures - Summarized financial information relating to the group's share of joint ventures (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/InvestmentsinjointventuresSummarizedfinancialinformationrelatingtothegroupsshareofjointventuresDetails </Role>
<ShortName> Investments in joint ventures - Summarized financial information relating to the group's share of joint ventures (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 125 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R126.htm </HtmlFileName>
<LongName> 9954552 - Disclosure - Investments in joint ventures - Transactions between group and its joint ventures (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/InvestmentsinjointventuresTransactionsbetweengroupanditsjointventuresDetails </Role>
<ShortName> Investments in joint ventures - Transactions between group and its joint ventures (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 126 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R127.htm </HtmlFileName>
<LongName> 9954553 - Disclosure - Investments in associates - Summarized aggregate financial information of associates (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/InvestmentsinassociatesSummarizedaggregatefinancialinformationofassociatesDetails </Role>
<ShortName> Investments in associates - Summarized aggregate financial information of associates (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 127 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R128.htm </HtmlFileName>
<LongName> 9954554 - Disclosure - Investments in associates - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/InvestmentsinassociatesNarrativeDetails </Role>
<ShortName> Investments in associates - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 128 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R129.htm </HtmlFileName>
<LongName> 9954555 - Disclosure - Investments in associates - Summarized financial information relating to associates (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/InvestmentsinassociatesSummarizedfinancialinformationrelatingtoassociatesDetails </Role>
<ShortName> Investments in associates - Summarized financial information relating to associates (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 129 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R130.htm </HtmlFileName>
<LongName> 9954556 - Disclosure - Investments in associates - Summary of transactions between the group and its associates (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/InvestmentsinassociatesSummaryoftransactionsbetweenthegroupanditsassociatesDetails </Role>
<ShortName> Investments in associates - Summary of transactions between the group and its associates (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 130 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R131.htm </HtmlFileName>
<LongName> 9954557 - Disclosure - Other investments - Schedule of other investments (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/OtherinvestmentsScheduleofotherinvestmentsDetails </Role>
<ShortName> Other investments - Schedule of other investments (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 131 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R132.htm </HtmlFileName>
<LongName> 9954558 - Disclosure - Inventories - Schedule of inventories (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/InventoriesScheduleofinventoriesDetails </Role>
<ShortName> Inventories - Schedule of inventories (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 132 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R133.htm </HtmlFileName>
<LongName> 9954559 - Disclosure - Inventories - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/InventoriesNarrativeDetails </Role>
<ShortName> Inventories - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 133 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R134.htm </HtmlFileName>
<LongName> 9954560 - Disclosure - Trade and other receivables - Summary of trade and other receivables (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/TradeandotherreceivablesSummaryoftradeandotherreceivablesDetails </Role>
<ShortName> Trade and other receivables - Summary of trade and other receivables (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 134 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R135.htm </HtmlFileName>
<LongName> 9954561 - Disclosure - Valuation and qualifying accounts - Schedule of valuation and qualifying accounts (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/ValuationandqualifyingaccountsScheduleofvaluationandqualifyingaccountsDetails </Role>
<ShortName> Valuation and qualifying accounts - Schedule of valuation and qualifying accounts (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 135 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R136.htm </HtmlFileName>
<LongName> 9954562 - Disclosure - Trade and other payables - Schedule of trade and other payables (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/TradeandotherpayablesScheduleoftradeandotherpayablesDetails </Role>
<ShortName> Trade and other payables - Schedule of trade and other payables (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 136 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R137.htm </HtmlFileName>
<LongName> 9954563 - Disclosure - Trade and other payables - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/TradeandotherpayablesNarrativeDetails </Role>
<ShortName> Trade and other payables - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 137 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R138.htm </HtmlFileName>
<LongName> 9954564 - Disclosure - Provisions - Schedule of provisions (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/ProvisionsScheduleofprovisionsDetails </Role>
<ShortName> Provisions - Schedule of provisions (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 138 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R139.htm </HtmlFileName>
<LongName> 9954565 - Disclosure - Pensions and other post-retirement benefits - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/PensionsandotherpostretirementbenefitsNarrativeDetails </Role>
<ShortName> Pensions and other post-retirement benefits - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 139 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R140.htm </HtmlFileName>
<LongName> 9954566 - Disclosure - Pensions and other post-retirement benefits - Details of assumptions used to estimate benefit obligations (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/PensionsandotherpostretirementbenefitsDetailsofassumptionsusedtoestimatebenefitobligationsDetails </Role>
<ShortName> Pensions and other post-retirement benefits - Details of assumptions used to estimate benefit obligations (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 140 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R141.htm </HtmlFileName>
<LongName> 9954567 - Disclosure - Pensions and other post-retirement benefits - Summary of mortality assumptions (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/PensionsandotherpostretirementbenefitsSummaryofmortalityassumptionsDetails </Role>
<ShortName> Pensions and other post-retirement benefits - Summary of mortality assumptions (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 141 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R142.htm </HtmlFileName>
<LongName> 9954568 - Disclosure - Pensions and other post-retirement benefits - Current asset allocation (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/PensionsandotherpostretirementbenefitsCurrentassetallocationDetails </Role>
<ShortName> Pensions and other post-retirement benefits - Current asset allocation (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 142 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R143.htm </HtmlFileName>
<LongName> 9954569 - Disclosure - Pensions and other post-retirement benefits - Fair value of assets held by the defined benefit plans (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/PensionsandotherpostretirementbenefitsFairvalueofassetsheldbythedefinedbenefitplansDetails </Role>
<ShortName> Pensions and other post-retirement benefits - Fair value of assets held by the defined benefit plans (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 143 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R144.htm </HtmlFileName>
<LongName> 9954570 - Disclosure - Pensions and other post-retirement benefits - Analysis of the amounts charged to profit (loss), recognized in other comprehensive income, and movement in obligations (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/PensionsandotherpostretirementbenefitsAnalysisoftheamountschargedtoprofitlossrecognizedinothercomprehensiveincomeandmovementinobligationsDetails </Role>
<ShortName> Pensions and other post-retirement benefits - Analysis of the amounts charged to profit (loss), recognized in other comprehensive income, and movement in obligations (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 144 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R145.htm </HtmlFileName>
<LongName> 9954571 - Disclosure - Pensions and other post-retirement benefits - Sensitivity analysis and actuarial assumptions (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/PensionsandotherpostretirementbenefitsSensitivityanalysisandactuarialassumptionsDetails </Role>
<ShortName> Pensions and other post-retirement benefits - Sensitivity analysis and actuarial assumptions (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 145 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R146.htm </HtmlFileName>
<LongName> 9954572 - Disclosure - Pensions and other post-retirement benefits - Effect of longevity on expenses and obligations (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/PensionsandotherpostretirementbenefitsEffectoflongevityonexpensesandobligationsDetails </Role>
<ShortName> Pensions and other post-retirement benefits - Effect of longevity on expenses and obligations (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 146 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R147.htm </HtmlFileName>
<LongName> 9954573 - Disclosure - Pensions and other post-retirement benefits - Expected future benefit payments (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/PensionsandotherpostretirementbenefitsExpectedfuturebenefitpaymentsDetails </Role>
<ShortName> Pensions and other post-retirement benefits - Expected future benefit payments (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 147 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R148.htm </HtmlFileName>
<LongName> 9954574 - Disclosure - Cash and cash equivalents - Schedule of cash and cash equivalents (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/CashandcashequivalentsScheduleofcashandcashequivalentsDetails </Role>
<ShortName> Cash and cash equivalents - Schedule of cash and cash equivalents (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 148 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R149.htm </HtmlFileName>
<LongName> 9954575 - Disclosure - Cash and cash equivalents - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/CashandcashequivalentsNarrativeDetails </Role>
<ShortName> Cash and cash equivalents - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 149 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R150.htm </HtmlFileName>
<LongName> 9954576 - Disclosure - Finance debt - Summary of current and non-current borrowings (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/FinancedebtSummaryofcurrentandnoncurrentborrowingsDetails </Role>
<ShortName> Finance debt - Summary of current and non-current borrowings (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 150 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R151.htm </HtmlFileName>
<LongName> 9954577 - Disclosure - Finance debt - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/FinancedebtNarrativeDetails </Role>
<ShortName> Finance debt - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 151 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R152.htm </HtmlFileName>
<LongName> 9954578 - Disclosure - Finance debt - Summary of weighted average interest rates (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/FinancedebtSummaryofweightedaverageinterestratesDetails </Role>
<ShortName> Finance debt - Summary of weighted average interest rates (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 152 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R153.htm </HtmlFileName>
<LongName> 9954579 - Disclosure - Finance debt - Summary of fair value and carrying value of borrowings (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/FinancedebtSummaryoffairvalueandcarryingvalueofborrowingsDetails </Role>
<ShortName> Finance debt - Summary of fair value and carrying value of borrowings (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 153 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R154.htm </HtmlFileName>
<LongName> 9954580 - Disclosure - Capital disclosures and net debt - Disclosure of the net debt ratio (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/CapitaldisclosuresandnetdebtDisclosureofthenetdebtratioDetails </Role>
<ShortName> Capital disclosures and net debt - Disclosure of the net debt ratio (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 154 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R155.htm </HtmlFileName>
<LongName> 9954581 - Disclosure - Capital disclosures and net debt - Disclosure of reconciliation of liabilities arising from financing activities (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/CapitaldisclosuresandnetdebtDisclosureofreconciliationofliabilitiesarisingfromfinancingactivitiesDetails </Role>
<ShortName> Capital disclosures and net debt - Disclosure of reconciliation of liabilities arising from financing activities (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 155 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R156.htm </HtmlFileName>
<LongName> 9954582 - Disclosure - Capital disclosures and net debt - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/CapitaldisclosuresandnetdebtNarrativeDetails </Role>
<ShortName> Capital disclosures and net debt - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 156 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R157.htm </HtmlFileName>
<LongName> 9954583 - Disclosure - Leases - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/LeasesNarrativeDetails </Role>
<ShortName> Leases - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 157 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R158.htm </HtmlFileName>
<LongName> 9954584 - Disclosure - Leases - Disclosure of maturity analysis of operating lease payments (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/LeasesDisclosureofmaturityanalysisofoperatingleasepaymentsDetails </Role>
<ShortName> Leases - Disclosure of maturity analysis of operating lease payments (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 158 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R159.htm </HtmlFileName>
<LongName> 9954585 - Disclosure - Leases - Disclosure of quantitative information about right-of-use assets (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/LeasesDisclosureofquantitativeinformationaboutrightofuseassetsDetails </Role>
<ShortName> Leases - Disclosure of quantitative information about right-of-use assets (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 159 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R160.htm </HtmlFileName>
<LongName> 9954586 - Disclosure - Financial instruments and financial risk factors - Schedule of financial assets and liabilities (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/FinancialinstrumentsandfinancialriskfactorsScheduleoffinancialassetsandliabilitiesDetails </Role>
<ShortName> Financial instruments and financial risk factors - Schedule of financial assets and liabilities (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 160 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R161.htm </HtmlFileName>
<LongName> 9954587 - Disclosure - Financial instruments and financial risk factors - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/FinancialinstrumentsandfinancialriskfactorsNarrativeDetails </Role>
<ShortName> Financial instruments and financial risk factors - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.bp.com/role/FinancialinstrumentsandfinancialriskfactorsTables </ParentRole>
<Position> 161 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R162.htm </HtmlFileName>
<LongName> 9954588 - Disclosure - Financial instruments and financial risk factors - Summary of credit risk profile of financial assets (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/FinancialinstrumentsandfinancialriskfactorsSummaryofcreditriskprofileoffinancialassetsDetails </Role>
<ShortName> Financial instruments and financial risk factors - Summary of credit risk profile of financial assets (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 162 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R163.htm </HtmlFileName>
<LongName> 9954589 - Disclosure - Financial instruments and financial risk factors - Financial instruments subject to offsetting, enforceable master netting arrangements and similar agreements (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/FinancialinstrumentsandfinancialriskfactorsFinancialinstrumentssubjecttooffsettingenforceablemasternettingarrangementsandsimilaragreementsDetails </Role>
<ShortName> Financial instruments and financial risk factors - Financial instruments subject to offsetting, enforceable master netting arrangements and similar agreements (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 163 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R164.htm </HtmlFileName>
<LongName> 9954590 - Disclosure - Financial instruments and financial risk factors - Schedule of timing of cash outflows (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/FinancialinstrumentsandfinancialriskfactorsScheduleoftimingofcashoutflowsDetails </Role>
<ShortName> Financial instruments and financial risk factors - Schedule of timing of cash outflows (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 164 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R165.htm </HtmlFileName>
<LongName> 9954591 - Disclosure - Financial instruments and financial risk factors - Schedule of future cash outflows for derivative instruments (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/FinancialinstrumentsandfinancialriskfactorsScheduleoffuturecashoutflowsforderivativeinstrumentsDetails </Role>
<ShortName> Financial instruments and financial risk factors - Schedule of future cash outflows for derivative instruments (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 165 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R166.htm </HtmlFileName>
<LongName> 9954592 - Disclosure - Derivative financial instruments - Summary of fair value of derivative instruments (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/DerivativefinancialinstrumentsSummaryoffairvalueofderivativeinstrumentsDetails </Role>
<ShortName> Derivative financial instruments - Summary of fair value of derivative instruments (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 166 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R167.htm </HtmlFileName>
<LongName> 9954593 - Disclosure - Derivative financial instruments - Summary of maturities of derivative assets and liabilities (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/DerivativefinancialinstrumentsSummaryofmaturitiesofderivativeassetsandliabilitiesDetails </Role>
<ShortName> Derivative financial instruments - Summary of maturities of derivative assets and liabilities (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 167 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R168.htm </HtmlFileName>
<LongName> 9954594 - Disclosure - Derivative financial instruments - Analysis of fair value derivative sssets and liabilities by maturity and fair value estimation (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/DerivativefinancialinstrumentsAnalysisoffairvaluederivativesssetsandliabilitiesbymaturityandfairvalueestimationDetails </Role>
<ShortName> Derivative financial instruments - Analysis of fair value derivative sssets and liabilities by maturity and fair value estimation (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 168 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R169.htm </HtmlFileName>
<LongName> 9954595 - Disclosure - Derivative financial instruments - Disclosure of changes in fair value of derivative instruments (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/DerivativefinancialinstrumentsDisclosureofchangesinfairvalueofderivativeinstrumentsDetails </Role>
<ShortName> Derivative financial instruments - Disclosure of changes in fair value of derivative instruments (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 169 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R170.htm </HtmlFileName>
<LongName> 9954596 - Disclosure - Derivative financial instruments - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/DerivativefinancialinstrumentsNarrativeDetails </Role>
<ShortName> Derivative financial instruments - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 170 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R171.htm </HtmlFileName>
<LongName> 9954597 - Disclosure - Derivative financial instruments - Fair value of hedge ineffectiveness (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/DerivativefinancialinstrumentsFairvalueofhedgeineffectivenessDetails </Role>
<ShortName> Derivative financial instruments - Fair value of hedge ineffectiveness (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 171 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R172.htm </HtmlFileName>
<LongName> 9954598 - Disclosure - Derivative financial instruments - Carrying and notional amounts of hedges (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/DerivativefinancialinstrumentsCarryingandnotionalamountsofhedgesDetails </Role>
<ShortName> Derivative financial instruments - Carrying and notional amounts of hedges (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 172 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R173.htm </HtmlFileName>
<LongName> 9954599 - Disclosure - Derivative financial instruments - Weighted average exchange rates and sales prices, cash flow hedges (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/DerivativefinancialinstrumentsWeightedaverageexchangeratesandsalespricescashflowhedgesDetails </Role>
<ShortName> Derivative financial instruments - Weighted average exchange rates and sales prices, cash flow hedges (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 173 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R174.htm </HtmlFileName>
<LongName> 9954600 - Disclosure - Derivative financial instruments - Summary of changes in fair value, hedges used to calculate ineffectiveness (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/DerivativefinancialinstrumentsSummaryofchangesinfairvaluehedgesusedtocalculateineffectivenessDetails </Role>
<ShortName> Derivative financial instruments - Summary of changes in fair value, hedges used to calculate ineffectiveness (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 174 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R175.htm </HtmlFileName>
<LongName> 9954601 - Disclosure - Derivative financial instruments - Summary of carrying amount of fair value hedges (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/DerivativefinancialinstrumentsSummaryofcarryingamountoffairvaluehedgesDetails </Role>
<ShortName> Derivative financial instruments - Summary of carrying amount of fair value hedges (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 175 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R176.htm </HtmlFileName>
<LongName> 9954602 - Disclosure - Derivative financial instruments - Summary of tenor of nominal amount of hedges (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/DerivativefinancialinstrumentsSummaryoftenorofnominalamountofhedgesDetails </Role>
<ShortName> Derivative financial instruments - Summary of tenor of nominal amount of hedges (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 176 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R177.htm </HtmlFileName>
<LongName> 9954603 - Disclosure - Derivative financial instruments - Weighted average exchange rates of hedges (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/DerivativefinancialinstrumentsWeightedaverageexchangeratesofhedgesDetails </Role>
<ShortName> Derivative financial instruments - Weighted average exchange rates of hedges (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 177 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R178.htm </HtmlFileName>
<LongName> 9954604 - Disclosure - Derivative financial instruments - Accumulated fair value adjustments of the hedged items (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/DerivativefinancialinstrumentsAccumulatedfairvalueadjustmentsofthehedgeditemsDetails </Role>
<ShortName> Derivative financial instruments - Accumulated fair value adjustments of the hedged items (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 178 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R179.htm </HtmlFileName>
<LongName> 9954605 - Disclosure - Derivative financial instruments - Movement in reserves related to hedge accounting (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/DerivativefinancialinstrumentsMovementinreservesrelatedtohedgeaccountingDetails </Role>
<ShortName> Derivative financial instruments - Movement in reserves related to hedge accounting (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 179 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R180.htm </HtmlFileName>
<LongName> 9954606 - Disclosure - Called-up share capital - Summary of allotted, called up and fully paid share capital (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/CalledupsharecapitalSummaryofallottedcalledupandfullypaidsharecapitalDetails </Role>
<ShortName> Called-up share capital - Summary of allotted, called up and fully paid share capital (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 180 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R181.htm </HtmlFileName>
<LongName> 9954607 - Disclosure - Called-up share capital - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/CalledupsharecapitalNarrativeDetails </Role>
<ShortName> Called-up share capital - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 181 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R182.htm </HtmlFileName>
<LongName> 9954608 - Disclosure - Called-up share capital - Treasury shares (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/CalledupsharecapitalTreasurysharesDetails </Role>
<ShortName> Called-up share capital - Treasury shares (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 182 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R183.htm </HtmlFileName>
<LongName> 9954609 - Disclosure - Capital and reserves - Summary of reserves and other equity interest (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/CapitalandreservesSummaryofreservesandotherequityinterestDetails </Role>
<ShortName> Capital and reserves - Summary of reserves and other equity interest (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 183 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R184.htm </HtmlFileName>
<LongName> 9954610 - Disclosure - Capital and reserves - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/CapitalandreservesNarrativeDetails </Role>
<ShortName> Capital and reserves - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 184 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R185.htm </HtmlFileName>
<LongName> 9954611 - Disclosure - Capital and reserves - Summary of pre-tax tax amounts of component of other comprehensive income (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/CapitalandreservesSummaryofpretaxtaxamountsofcomponentofothercomprehensiveincomeDetails </Role>
<ShortName> Capital and reserves - Summary of pre-tax tax amounts of component of other comprehensive income (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 185 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R186.htm </HtmlFileName>
<LongName> 9954612 - Disclosure - Contingent liabilities and legal proceedings - Disclosure of legal proceedings (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/ContingentliabilitiesandlegalproceedingsDisclosureoflegalproceedingsDetails </Role>
<ShortName> Contingent liabilities and legal proceedings - Disclosure of legal proceedings (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 186 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R187.htm </HtmlFileName>
<LongName> 9954613 - Disclosure - Remuneration of senior management and non-executive directors - Remuneration of directors, senior managment, and non-executive directors (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/RemunerationofseniormanagementandnonexecutivedirectorsRemunerationofdirectorsseniormanagmentandnonexecutivedirectorsDetails </Role>
<ShortName> Remuneration of senior management and non-executive directors - Remuneration of directors, senior managment, and non-executive directors (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 187 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R188.htm </HtmlFileName>
<LongName> 9954614 - Disclosure - Employee costs and numbers (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/EmployeecostsandnumbersDetails </Role>
<ShortName> Employee costs and numbers (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.bp.com/role/EmployeecostsandnumbersTables </ParentRole>
<Position> 188 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R189.htm </HtmlFileName>
<LongName> 9954615 - Disclosure - Auditor???s remuneration - Summary of auditor's remuneration (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/AuditorsremunerationSummaryofauditorsremunerationDetails </Role>
<ShortName> Auditor???s remuneration - Summary of auditor's remuneration (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 189 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R190.htm </HtmlFileName>
<LongName> 9954616 - Disclosure - Auditor???s remuneration - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/AuditorsremunerationNarrativeDetails </Role>
<ShortName> Auditor???s remuneration - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 190 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R191.htm </HtmlFileName>
<LongName> 9954617 - Disclosure - Subsidiaries, joint arrangements and associates - Disclosures of interests in subsidiaries, joint arrangements, and associates (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/SubsidiariesjointarrangementsandassociatesDisclosuresofinterestsinsubsidiariesjointarrangementsandassociatesDetails </Role>
<ShortName> Subsidiaries, joint arrangements and associates - Disclosures of interests in subsidiaries, joint arrangements, and associates (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 191 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R192.htm </HtmlFileName>
<LongName> 9954618 - Disclosure - Events after reporting period (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bp.com/role/EventsafterreportingperiodDetails </Role>
<ShortName> Events after reporting period (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.bp.com/role/Eventsafterreportingperiod </ParentRole>
<Position> 192 </Position>
</Report>
<Report instance="bp-20231231.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R9999.htm </HtmlFileName>
<LongName> Uncategorized Items - bp-20231231.htm </LongName>
<ReportType> Sheet </ReportType>
<Role> http://xbrl.sec.gov/role/uncategorizedFacts </Role>
<ShortName> Uncategorized Items - bp-20231231.htm </ShortName>
<MenuCategory> Cover </MenuCategory>
<Position> 193 </Position>
</Report>
<Report>
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<LongName> All Reports </LongName>
<ReportType> Book </ReportType>
<ShortName> All Reports </ShortName>
</Report>
</MyReports>
<InputFiles>
<File doctype="20-F" isDefinitelyFs="true" isIfrs="true" isUsgaap="true" original="bp-20231231.htm"> bp-20231231.htm </File>
<File> bp-20231231.xsd </File>
<File> bp-20231231_cal.xml </File>
<File> bp-20231231_def.xml </File>
<File> bp-20231231_lab.xml </File>
<File> bp-20231231_pre.xml </File>
</InputFiles>
<SupplementalFiles>
<File> bp-20231231_g1.jpg </File>
<File> bp-20231231_g10.jpg </File>
<File> bp-20231231_g100.jpg </File>
<File> bp-20231231_g101.jpg </File>
<File> bp-20231231_g102.jpg </File>
<File> bp-20231231_g103.jpg </File>
<File> bp-20231231_g104.jpg </File>
<File> bp-20231231_g105.jpg </File>
<File> bp-20231231_g106.jpg </File>
<File> bp-20231231_g107.jpg </File>
<File> bp-20231231_g108.jpg </File>
<File> bp-20231231_g109.jpg </File>
<File> bp-20231231_g11.jpg </File>
<File> bp-20231231_g110.jpg </File>
<File> bp-20231231_g111.jpg </File>
<File> bp-20231231_g112.jpg </File>
<File> bp-20231231_g113.jpg </File>
<File> bp-20231231_g114.jpg </File>
<File> bp-20231231_g115.jpg </File>
<File> bp-20231231_g116.jpg </File>
<File> bp-20231231_g117.jpg </File>
<File> bp-20231231_g118.jpg </File>
<File> bp-20231231_g119.jpg </File>
<File> bp-20231231_g12.jpg </File>
<File> bp-20231231_g120.jpg </File>
<File> bp-20231231_g121.jpg </File>
<File> bp-20231231_g122.jpg </File>
<File> bp-20231231_g123.jpg </File>
<File> bp-20231231_g124.jpg </File>
<File> bp-20231231_g125.jpg </File>
<File> bp-20231231_g126.jpg </File>
<File> bp-20231231_g127.jpg </File>
<File> bp-20231231_g128.jpg </File>
<File> bp-20231231_g129.jpg </File>
<File> bp-20231231_g13.jpg </File>
<File> bp-20231231_g130.jpg </File>
<File> bp-20231231_g131.jpg </File>
<File> bp-20231231_g132.jpg </File>
<File> bp-20231231_g133.jpg </File>
<File> bp-20231231_g134.jpg </File>
<File> bp-20231231_g135.jpg </File>
<File> bp-20231231_g136.jpg </File>
<File> bp-20231231_g137.jpg </File>
<File> bp-20231231_g138.jpg </File>
<File> bp-20231231_g139.jpg </File>
<File> bp-20231231_g14.jpg </File>
<File> bp-20231231_g140.jpg </File>
<File> bp-20231231_g141.jpg </File>
<File> bp-20231231_g15.jpg </File>
<File> bp-20231231_g16.jpg </File>
<File> bp-20231231_g17.jpg </File>
<File> bp-20231231_g18.jpg </File>
<File> bp-20231231_g19.jpg </File>
<File> bp-20231231_g2.jpg </File>
<File> bp-20231231_g20.jpg </File>
<File> bp-20231231_g21.jpg </File>
<File> bp-20231231_g22.jpg </File>
<File> bp-20231231_g23.jpg </File>
<File> bp-20231231_g24.jpg </File>
<File> bp-20231231_g25.jpg </File>
<File> bp-20231231_g26.jpg </File>
<File> bp-20231231_g27.jpg </File>
<File> bp-20231231_g28.jpg </File>
<File> bp-20231231_g29.jpg </File>
<File> bp-20231231_g3.jpg </File>
<File> bp-20231231_g30.jpg </File>
<File> bp-20231231_g31.jpg </File>
<File> bp-20231231_g32.jpg </File>
<File> bp-20231231_g33.jpg </File>
<File> bp-20231231_g34.jpg </File>
<File> bp-20231231_g35.jpg </File>
<File> bp-20231231_g36.jpg </File>
<File> bp-20231231_g37.jpg </File>
<File> bp-20231231_g38.jpg </File>
<File> bp-20231231_g39.jpg </File>
<File> bp-20231231_g4.jpg </File>
<File> bp-20231231_g40.jpg </File>
<File> bp-20231231_g41.jpg </File>
<File> bp-20231231_g42.jpg </File>
<File> bp-20231231_g43.jpg </File>
<File> bp-20231231_g44.jpg </File>
<File> bp-20231231_g45.jpg </File>
<File> bp-20231231_g46.jpg </File>
<File> bp-20231231_g47.jpg </File>
<File> bp-20231231_g48.jpg </File>
<File> bp-20231231_g49.jpg </File>
<File> bp-20231231_g5.jpg </File>
<File> bp-20231231_g50.jpg </File>
<File> bp-20231231_g51.jpg </File>
<File> bp-20231231_g52.jpg </File>
<File> bp-20231231_g53.jpg </File>
<File> bp-20231231_g54.jpg </File>
<File> bp-20231231_g55.jpg </File>
<File> bp-20231231_g56.jpg </File>
<File> bp-20231231_g57.jpg </File>
<File> bp-20231231_g58.jpg </File>
<File> bp-20231231_g59.jpg </File>
<File> bp-20231231_g6.jpg </File>
<File> bp-20231231_g60.jpg </File>
<File> bp-20231231_g61.jpg </File>
<File> bp-20231231_g62.jpg </File>
<File> bp-20231231_g63.jpg </File>
<File> bp-20231231_g64.jpg </File>
<File> bp-20231231_g65.jpg </File>
<File> bp-20231231_g66.jpg </File>
<File> bp-20231231_g67.jpg </File>
<File> bp-20231231_g68.jpg </File>
<File> bp-20231231_g69.jpg </File>
<File> bp-20231231_g7.jpg </File>
<File> bp-20231231_g70.jpg </File>
<File> bp-20231231_g71.jpg </File>
<File> bp-20231231_g72.jpg </File>
<File> bp-20231231_g73.jpg </File>
<File> bp-20231231_g74.jpg </File>
<File> bp-20231231_g75.jpg </File>
<File> bp-20231231_g76.jpg </File>
<File> bp-20231231_g77.jpg </File>
<File> bp-20231231_g78.jpg </File>
<File> bp-20231231_g79.jpg </File>
<File> bp-20231231_g8.jpg </File>
<File> bp-20231231_g80.jpg </File>
<File> bp-20231231_g81.jpg </File>
<File> bp-20231231_g82.jpg </File>
<File> bp-20231231_g83.jpg </File>
<File> bp-20231231_g84.jpg </File>
<File> bp-20231231_g85.jpg </File>
<File> bp-20231231_g86.jpg </File>
<File> bp-20231231_g87.jpg </File>
<File> bp-20231231_g88.jpg </File>
<File> bp-20231231_g89.jpg </File>
<File> bp-20231231_g9.jpg </File>
<File> bp-20231231_g90.jpg </File>
<File> bp-20231231_g91.jpg </File>
<File> bp-20231231_g92.jpg </File>
<File> bp-20231231_g93.jpg </File>
<File> bp-20231231_g94.jpg </File>
<File> bp-20231231_g95.jpg </File>
<File> bp-20231231_g96.jpg </File>
<File> bp-20231231_g97.jpg </File>
<File> bp-20231231_g98.jpg </File>
<File> bp-20231231_g99.jpg </File>
</SupplementalFiles>
<BaseTaxonomies>
<BaseTaxonomy items="131"> http://xbrl.sec.gov/dei/2023 </BaseTaxonomy>
<BaseTaxonomy items="4497"> https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full </BaseTaxonomy>
</BaseTaxonomies>
<HasPresentationLinkbase> true </HasPresentationLinkbase>
<HasCalculationLinkbase> true </HasCalculationLinkbase>
</FilingSummary>

1 Subsequent Filing that References this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 3/12/24  BP plc                            F-3ASR      3/12/24   12:797K                                   Donnelley … Solutions/FA

3 Previous Filings that this Filing References

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 3/04/16  BP plc                            20-F       12/31/15   10:28M                                    Donnelley … Solutions/FA
 3/03/15  BP plc                            20-F       12/31/14    8:23M                                    Donnelley … Solutions/FA
 3/05/10  BP plc                            20-F       12/31/09    7:4.3M                                   Donnelley … Solutions/FA
↑Top
Filing Submission 0000313807-24-000008   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)
Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
About — Privacy — Redactions — Help — Mon., May 13, 10:18:01.2pm ET