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Allstate Life Insurance Co – ‘10-Q’ for 9/30/19 – ‘JSON’

On:  Tuesday, 11/5/19, at 12:36pm ET   ·   For:  9/30/19   ·   Accession #:  352736-19-12   ·   File #:  0-31248

Previous ‘10-Q’:  ‘10-Q’ on 8/7/19 for 6/30/19   ·   Latest ‘10-Q’:  This Filing

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

11/05/19  Allstate Life Insurance Co        10-Q        9/30/19   72:20M

Quarterly Report   —   Form 10-Q   —   Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML   2.63M 
 2: EX-15       Letter re: Unaudited Interim Financial Info         HTML     27K 
 3: EX-31.I     Certification -- §302 - SOA'02                      HTML     34K 
 4: EX-32       Certification -- §906 - SOA'02                      HTML     23K 
26: R1          Document and Entity Information                     HTML     70K 
67: R2          Condensed Consolidated Statements of Operations     HTML    102K 
                and Comprehensive Income (Unaudited)                             
43: R3          Condensed Consolidated Statements of Financial      HTML    146K 
                Position (Unaudited)                                             
15: R4          Condensed Consolidated Statements of Financial      HTML     45K 
                Position (Unaudited) (Parenthetical)                             
25: R5          Condensed Consolidated Statements of Shareholder's  HTML     49K 
                Equity (Unaudited)                                               
66: R6          Condensed Consolidated Statements of Cash Flows     HTML    120K 
                (Unaudited)                                                      
42: R7          General                                             HTML     69K 
14: R8          Supplemental Cash Flow Information                  HTML     41K 
27: R9          Investments                                         HTML    611K 
33: R10         Fair Value of Assets and Liabilities                HTML    894K 
22: R11         Derivative Financial Instruments                    HTML    538K 
45: R12         Reinsurance                                         HTML    102K 
68: R13         Guarantees and Contingent Liabilities               HTML     31K 
35: R14         Other Comprehensive Income                          HTML     84K 
23: R15         General (Tables)                                    HTML     54K 
46: R16         Supplemental Cash Flow Information (Tables)         HTML     39K 
69: R17         Investments (Tables)                                HTML    622K 
32: R18         Fair Value of Assets and Liabilities (Tables)       HTML    868K 
24: R19         Derivative Financial Instruments (Tables)           HTML    568K 
50: R20         Reinsurance (Tables)                                HTML    103K 
59: R21         Other Comprehensive Income (Tables)                 HTML     84K 
36: R22         General (Details)                                   HTML     63K 
10: R23         Supplemental Cash Flow Information - Narrative      HTML     24K 
                (Details)                                                        
51: R24         Supplemental Cash Flow Information - Net change     HTML     33K 
                (Details)                                                        
60: R25         Investments - Fair Values (Details)                 HTML     58K 
37: R26         Investments - Scheduled Maturities (Details)        HTML     57K 
11: R27         Investments - Net Investment Income (Details)       HTML     46K 
52: R28         Investments - Realized Capital Gains and Losses     HTML     39K 
                (Details)                                                        
58: R29         Investments - Realized Capital Gains and Losses by  HTML     33K 
                Transaction Type (Details)                                       
71: R30         Investments - Narrative (Details)                   HTML     57K 
49: R31         Investments - Valuation Changes Included in Net     HTML     29K 
                Income for Investments (Details)                                 
21: R32         Investments - Other-than-temporary impairment       HTML     57K 
                losses (Details)                                                 
31: R33         Investments - Other-than-temporary Losses Included  HTML     36K 
                in AOCI (Details)                                                
70: R34         Investments - Rollforward of Cumulative Credit      HTML     36K 
                Losses (Details)                                                 
48: R35         Investments - Unrealized Net Capital Gains and      HTML     62K 
                Losses (Details)                                                 
19: R36         Investments - Change in Unrealized Net Capital      HTML     43K 
                Gains and Losses (Details)                                       
30: R37         Investments - Portfolio Monitoring (Details)        HTML     92K 
72: R38         Investments - Gross Unrealized Losses by            HTML     41K 
                Unrealized Loss Position and Credit Quality                      
                (Details)                                                        
47: R39         Investments - Carrying Value of Non-impaired Fixed  HTML     56K 
                Rate and Variable Rate Mortgage Loans (Details)                  
62: R40         Investments - Other investments by type (Details)   HTML     32K 
55: R41         Fair Value of Assets and Liabilities - Narrative    HTML     51K 
                (Details)                                                        
13: R42         Fair Value of Assets and Liabilities - Assets and   HTML    170K 
                Liabilities Measured at Fair Value (Details)                     
39: R43         Fair Value of Assets and Liabilities - Level 3      HTML     36K 
                Fair Value Measurement (Details)                                 
61: R44         Fair Value of Assets and Liabilities - Level 3      HTML    152K 
                Assets and Liabilities (Details)                                 
54: R45         Fair Value of Assets and Liabilities - Gains and    HTML     47K 
                Losses included in Net Income for Level 3                        
                (Details)                                                        
12: R46         Fair Value of Assets and Liabilities - Carrying     HTML     50K 
                Values and Fair Value Estimates of Financial                     
                Instruments (Details)                                            
38: R47         Derivative Financial Instruments - Narrative        HTML     46K 
                (Details)                                                        
63: R48         Derivative Financial Instruments - Volume and Fair  HTML    136K 
                Value Positions of Derivative Instruments                        
                (Details)                                                        
53: R49         Derivative Financial Instruments - Gross and Net    HTML     69K 
                Amounts Derivatives (Details)                                    
40: R50         Derivative Financial Instruments - Foreign          HTML     28K 
                Currency Contracts in Cash Flow Hedging                          
                Relationships (Details)                                          
64: R51         Derivative Financial Instruments - Impacts on       HTML     80K 
                Operations and AOCI (Details)                                    
28: R52         Derivative Financial Instruments - Derivative       HTML     35K 
                Netting (Details)                                                
17: R53         Derivative Financial Instruments - Fair Value of    HTML     30K 
                Derivative Instruments (Details)                                 
41: R54         Derivative Financial Instruments - CDS Notional     HTML     44K 
                Amounts by Credit Rating (Details)                               
65: R55         Reinsurance - Effects of Reinsurance (Details)      HTML     62K 
29: R56         Reinsurance - Narrative (Details)                   HTML     27K 
18: R57         Other Comprehensive Income (Details)                HTML     61K 
44: R9999       Uncategorized Items - allstatelife-93019x10q.htm    HTML     24K 
20: XML         IDEA XML File -- Filing Summary                      XML    129K 
34: XML         XBRL Instance -- allstatelife-93019x10q_htm          XML   7.40M 
56: EXCEL       IDEA Workbook of Financial Reports                  XLSX     99K 
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 5: EX-101.SCH  XBRL Schema -- all-20190930                          XSD    200K 
16: JSON        XBRL Instance as JSON Data -- MetaLinks              384±   610K 
57: ZIP         XBRL Zipped Folder -- 0000352736-19-000012-xbrl      Zip    399K 


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                            "documentation":  "Investment grade is defined as a security having a rating from the National Association of Insurance Commissioners (\"NAIC\") of 1 or 2; a rating of Aaa, Aa, A or Baa from Moody's, a rating of AAA, AA, A or BBB from Standard and Poor's, Fitch or Dominion, or aaa, aa, a or bbb from A.M.  Best; or a comparable internal rating if an externally provided rating is not available.",
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                            "terseLabel":  "Investment grade fixed income securities",
                            "verboseLabel":  "Investment grade"
                            }
                        }
                    },
                "localname":  "InvestmentGradeFixedIncomeSecuritiesMember",
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                "presentation":  [
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                "xbrltype":  "domainItemType"
                },
            "all_LessThanTwelveMonthsAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "",
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                            "terseLabel":  "Less than 12 months"
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                        }
                    },
                "localname":  "LessThanTwelveMonthsAbstract",
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                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Liabilities as a percent of total liabilities measured at fair value on a recurring and non-recurring basis.",
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                            "terseLabel":  "% of total liabilities at fair value"
                            }
                        }
                    },
                "localname":  "LiabilitiesAsPercentOfLiabilitiesMeasuredAtFairValue",
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                "auth_ref":  [
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                    "en-US":  {
                        "role":  {
                            "documentation":  "This element represents the location of the gain (loss) included in the Statement of Operations as Life and annuity contract benefits.",
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                            "verboseLabel":  "Contract benefits"
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                "localname":  "LifeAndAnnuityContractBenefitsMember",
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                "auth_ref":  [
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                        },
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                        "order":  null,
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                    "en-US":  {
                        "role":  {
                            "documentation":  "Provision for benefits, claims and claims settlement expenses incurred during the period for life and annuity insurance contracts, as well as accident and health insurance contracts, net of the effects of contracts assumed and ceded.",
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                            "totalLabel":  "Contract benefits, net of reinsurance"
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                    },
                "localname":  "LifeAndAnnuityContractBenefitsNetOfReinsuranceRecoveries",
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                "presentation":  [
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                        "parentTag":  null,
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                        },
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                        "order":  null,
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                "crdr":  "credit",
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                    "en-US":  {
                        "role":  {
                            "documentation":  "Premiums recognized as revenue in the period on all life insurance and reinsurance contracts, as well as accident and health insurance and reinsurance contracts, after subtracting any amounts ceded to another insurer.  Also includes an amount that an insurer adds to a policy's premium, or deducts from a policy's cash value or contract holder's account, as compensation for services rendered (may include fees), after subtracting any amounts ceded to another insurer.",
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                        }
                    },
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                "xbrltype":  "monetaryItemType"
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                "auth_ref":  [
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                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Amounts due the Company for loans secured by the collateral of specified real estate property and which loan the borrower (debtor) is obligated to repay in accordance with a predetermined set of payments, excluding loans determined to be impaired.",
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                "crdr":  "credit",
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "The net operating cash flow provided by (used in) the net change in liabilities for collateral.",
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                    },
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                "crdr":  "debit",
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                    "en-US":  {
                        "role":  {
                            "documentation":  "The net operating cash flow provided or used related to collateral received in conjunction with the entity's securities lending and over-the-counter derivatives.",
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                    },
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                    "en-US":  {
                        "role":  {
                            "documentation":  "",
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                    },
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                        "role":  {
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                            "terseLabel":  "Net change in proceeds managed"
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                    },
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                        "role":  {
                            "documentation":  "The net change in short-term investments from the proceeds managed related to collateral received in conjunction with the entity's securities lending and over-the-counter derivatives.",
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                    },
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                "crdr":  "debit",
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                        "role":  {
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                        }
                    },
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                "xbrltype":  "monetaryItemType"
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                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "This element represents the location of the gain (loss) included in the Statement of Operations as Net investment income.",
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                            "terseLabel":  "Net investment income",
                            "verboseLabel":  "Net investment income"
                            }
                        }
                    },
                "localname":  "NetInvestmentIncomeMember",
                "nsuri":  "http://www.allstate.com/20190930",
                "presentation":  [
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                "xbrltype":  "domainItemType"
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            "all_NonAffiliatesMember":  {
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                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Represents the entities that are non-affiliates to the reporting entity.",
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                            "terseLabel":  "Non-affiliate",
                            "verboseLabel":  "Non-affiliates"
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                    },
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                "xbrltype":  "domainItemType"
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                "crdr":  "debit",
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "The notional amount of derivative contracts for which the entity has counterparty credit exposure.",
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                            "terseLabel":  "Notional amount"
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                        }
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                "presentation":  [
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                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "The number of counterparties to which the entity has counterparty credit exposure related to derivative contracts.",
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                            "terseLabel":  "Number of counter-parties (party)"
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                "lang":  {
                    "en-US":  {
                        "role":  {
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                            "negatedPeriodStartLabel":  "Liabilities for collateral, beginning of period",
                            "terseLabel":  "Liability for collateral"
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                    },
                "crdr":  "credit",
                "lang":  {
                    "en-US":  {
                        "role":  {
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                            "label":  "Other Comprehensive Income (Loss), Available for Sale Securities, Including Other than Temporary Impairment Losses Adjustment Net of Tax",
                            "terseLabel":  "Change in unrealized net capital gains and losses",
                            "verboseLabel":  "Change in unrealized net capital gains and losses"
                            }
                        }
                    },
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            "all_OtherRealizedCapitalGainsAndLosses":  {
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                    },
                "crdr":  "credit",
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "The net realized gains or losses on investments during the period, other than those related to other-than-temporary impairment losses.",
                            "label":  "Other Realized Capital Gains and Losses",
                            "terseLabel":  "Sales and valuation changes on equity investments and derivatives"
                            }
                        }
                    },
                "localname":  "OtherRealizedCapitalGainsAndLosses",
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                "crdr":  "credit",
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "This item represents a change in the cumulative amount of credit losses recognized in earnings for a debt security due to accretion of increase in cash flows and time value of cash flows.",
                            "label":  "Other than Temporary Impairment, Change in Credit Losses Recognized in Earnings Due to Accretion in Cash Flows and Time Value of Cash Flows",
                            "terseLabel":  "Change in credit loss due to accretion of increase in cash flows"
                            }
                        }
                    },
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                "xbrltype":  "fiscalPeriodItemType"
                },
            "dei_DocumentFiscalYearFocus":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "This is focus fiscal year of the document report in CCYY format.  For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus.  Example: 2006.",
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                            }
                        }
                    },
                "localname":  "DocumentFiscalYearFocus",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.allstate.com/role/DocumentAndEntityInformation"
                    ],
                "xbrltype":  "gYearItemType"
                },
            "dei_DocumentPeriodEndDate":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "The end date of the period reflected on the cover page if a periodic report.  For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented.  If there is no historical data in the report, use the filing date.  The format of the date is CCYY-MM-DD.",
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                            }
                        }
                    },
                "localname":  "DocumentPeriodEndDate",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.allstate.com/role/DocumentAndEntityInformation"
                    ],
                "xbrltype":  "dateItemType"
                },
            "dei_DocumentQuarterlyReport":  {
                "auth_ref":  [
                    "r372"
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Boolean flag that is true only for a form used as an quarterly report.",
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                            "terseLabel":  "Document Quarterly Report"
                            }
                        }
                    },
                "localname":  "DocumentQuarterlyReport",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.allstate.com/role/DocumentAndEntityInformation"
                    ],
                "xbrltype":  "booleanItemType"
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            "dei_DocumentTransitionReport":  {
                "auth_ref":  [
                    "r373"
                    ],
                "lang":  {
                    "en-US":  {
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                            "documentation":  "Boolean flag that is true only for a form used as a transition report.",
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                            }
                        }
                    },
                "localname":  "DocumentTransitionReport",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.allstate.com/role/DocumentAndEntityInformation"
                    ],
                "xbrltype":  "booleanItemType"
                },
            "dei_DocumentType":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc).  The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.",
                            "label":  "Document Type"
                            }
                        }
                    },
                "localname":  "DocumentType",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.allstate.com/role/DocumentAndEntityInformation"
                    ],
                "xbrltype":  "submissionTypeItemType"
                },
            "dei_EntityAddressAddressLine1":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Address Line 1 such as Attn, Building Name, Street Name",
                            "label":  "Entity Address, Address Line One",
                            "terseLabel":  "Entity Address, Address Line One"
                            }
                        }
                    },
                "localname":  "EntityAddressAddressLine1",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.allstate.com/role/DocumentAndEntityInformation"
                    ],
                "xbrltype":  "normalizedStringItemType"
                },
            "dei_EntityAddressCityOrTown":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Name of the City or Town",
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                            }
                        }
                    },
                "localname":  "EntityAddressCityOrTown",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.allstate.com/role/DocumentAndEntityInformation"
                    ],
                "xbrltype":  "normalizedStringItemType"
                },
            "dei_EntityAddressPostalZipCode":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Code for the postal or zip code",
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                            }
                        }
                    },
                "localname":  "EntityAddressPostalZipCode",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.allstate.com/role/DocumentAndEntityInformation"
                    ],
                "xbrltype":  "normalizedStringItemType"
                },
            "dei_EntityAddressStateOrProvince":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Name of the state or province.",
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                            "terseLabel":  "Entity Address, State or Province"
                            }
                        }
                    },
                "localname":  "EntityAddressStateOrProvince",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.allstate.com/role/DocumentAndEntityInformation"
                    ],
                "xbrltype":  "stateOrProvinceItemType"
                },
            "dei_EntityCentralIndexKey":  {
                "auth_ref":  [
                    "r374"
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC.  It is commonly abbreviated as CIK.",
                            "label":  "Entity Central Index Key"
                            }
                        }
                    },
                "localname":  "EntityCentralIndexKey",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.allstate.com/role/DocumentAndEntityInformation"
                    ],
                "xbrltype":  "centralIndexKeyItemType"
                },
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                "auth_ref":  [
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report.  Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.",
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                            }
                        }
                    },
                "localname":  "EntityCommonStockSharesOutstanding",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.allstate.com/role/DocumentAndEntityInformation"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "dei_EntityCurrentReportingStatus":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days.  This information should be based on the registrant's current or most recent filing containing the related disclosure.",
                            "label":  "Entity Current Reporting Status"
                            }
                        }
                    },
                "localname":  "EntityCurrentReportingStatus",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.allstate.com/role/DocumentAndEntityInformation"
                    ],
                "xbrltype":  "yesNoItemType"
                },
            "dei_EntityDomain":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "All the names of the entities being reported upon in a document.  Any legal structure used to conduct activities or to hold assets.  Some examples of such structures are corporations, partnerships, limited liability companies, grantor trusts, and other trusts.  This item does not include business and geographical segments which are included in the geographical or business segments domains.",
                            "label":  "Entity [Domain]",
                            "terseLabel":  "Entity [Domain]"
                            }
                        }
                    },
                "localname":  "EntityDomain",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.allstate.com/role/CondensedConsolidatedStatementsOfFinancialPositionUnaudited",
                    "http://www.allstate.com/role/ReinsuranceEffectsOfReinsuranceDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "dei_EntityEmergingGrowthCompany":  {
                "auth_ref":  [
                    "r374"
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Indicate if registrant meets the emerging growth company criteria.",
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                            "terseLabel":  "Entity Emerging Growth Company"
                            }
                        }
                    },
                "localname":  "EntityEmergingGrowthCompany",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.allstate.com/role/DocumentAndEntityInformation"
                    ],
                "xbrltype":  "booleanItemType"
                },
            "dei_EntityFileNumber":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Commission file number.  The field allows up to 17 characters.  The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.",
                            "label":  "Entity File Number",
                            "terseLabel":  "Entity File Number"
                            }
                        }
                    },
                "localname":  "EntityFileNumber",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.allstate.com/role/DocumentAndEntityInformation"
                    ],
                "xbrltype":  "fileNumberItemType"
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            "dei_EntityFilerCategory":  {
                "auth_ref":  [
                    "r374"
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Indicate whether the registrant is one of the following:  Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer.  Definitions of these categories are stated in Rule 12b-2 of the Exchange Act.  This information should be based on the registrant's current or most recent filing containing the related disclosure.",
                            "label":  "Entity Filer Category"
                            }
                        }
                    },
                "localname":  "EntityFilerCategory",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.allstate.com/role/DocumentAndEntityInformation"
                    ],
                "xbrltype":  "filerCategoryItemType"
                },
            "dei_EntityIncorporationStateCountryCode":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Two-character EDGAR code representing the state or country of incorporation.",
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                            "terseLabel":  "Entity Incorporation, State or Country Code"
                            }
                        }
                    },
                "localname":  "EntityIncorporationStateCountryCode",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.allstate.com/role/DocumentAndEntityInformation"
                    ],
                "xbrltype":  "edgarStateCountryItemType"
                },
            "dei_EntityInteractiveDataCurrent":  {
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                    "r375"
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).",
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                            "terseLabel":  "Entity Interactive Data Current"
                            }
                        }
                    },
                "localname":  "EntityInteractiveDataCurrent",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.allstate.com/role/DocumentAndEntityInformation"
                    ],
                "xbrltype":  "yesNoItemType"
                },
            "dei_EntityRegistrantName":  {
                "auth_ref":  [
                    "r374"
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.",
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                            }
                        }
                    },
                "localname":  "EntityRegistrantName",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
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                    ],
                "xbrltype":  "normalizedStringItemType"
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            "dei_EntityShellCompany":  {
                "auth_ref":  [
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                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.",
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                        }
                    },
                "localname":  "EntityShellCompany",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
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                    ],
                "xbrltype":  "booleanItemType"
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                    ],
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                            }
                        }
                    },
                "localname":  "EntitySmallBusiness",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
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                    ],
                "xbrltype":  "booleanItemType"
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                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
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                            }
                        }
                    },
                "localname":  "EntityTaxIdentificationNumber",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
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                    ],
                "xbrltype":  "employerIdItemType"
                },
            "dei_LegalEntityAxis":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "The set of legal entities associated with a report.",
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                            "terseLabel":  "Legal Entity [Axis]"
                            }
                        }
                    },
                "localname":  "LegalEntityAxis",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
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                    ],
                "xbrltype":  "stringItemType"
                },
            "dei_LocalPhoneNumber":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Local phone number for entity.",
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                            "terseLabel":  "Local Phone Number"
                            }
                        }
                    },
                "localname":  "LocalPhoneNumber",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
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                    ],
                "xbrltype":  "normalizedStringItemType"
                },
            "srt_AffiliatedEntityMember":  {
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                    "r268",
                    "r371"
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                        "role":  {
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                            "terseLabel":  "Affiliate",
                            "verboseLabel":  "Affiliates"
                            }
                        }
                    },
                "localname":  "AffiliatedEntityMember",
                "nsuri":  "http://fasb.org/srt/2019-01-31",
                "presentation":  [
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                    ],
                "xbrltype":  "domainItemType"
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            "srt_ConsolidatedEntitiesAxis":  {
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                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
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                            "terseLabel":  "Consolidated Entities [Axis]"
                            }
                        }
                    },
                "localname":  "ConsolidatedEntitiesAxis",
                "nsuri":  "http://fasb.org/srt/2019-01-31",
                "presentation":  [
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                    ],
                "xbrltype":  "stringItemType"
                },
            "srt_ConsolidatedEntitiesDomain":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "label":  "Consolidated Entities [Domain]",
                            "terseLabel":  "Consolidated Entities [Domain]"
                            }
                        }
                    },
                "localname":  "ConsolidatedEntitiesDomain",
                "nsuri":  "http://fasb.org/srt/2019-01-31",
                "presentation":  [
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                    ],
                "xbrltype":  "domainItemType"
                },
            "srt_CreditRatingStandardPoorsAxis":  {
                "auth_ref":  [
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                    "r147",
                    "r148",
                    "r170",
                    "r225"
                    ],
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}

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