Annual Report — Form 10-K
Filing Table of Contents
Document/Exhibit Description Pages Size
1: 10-K Annual Report HTML 1.02M
2: EX-10.46 Material Contract HTML 80K
3: EX-10.47 Material Contract HTML 1.77M
4: EX-13.01 Annual or Quarterly Report to Security Holders HTML 3.83M
5: EX-21.01 Subsidiaries List HTML 52K
6: EX-23.01 Consent of Expert or Counsel HTML 36K
7: EX-23.02 Consent of Expert or Counsel HTML 36K
8: EX-31.01 Certification -- §302 - SOA'02 HTML 49K
9: EX-31.02 Certification -- §302 - SOA'02 HTML 52K
10: EX-32.01 Certification -- §906 - SOA'02 HTML 40K
11: EX-32.02 Certification -- §906 - SOA'02 HTML 43K
17: R1 Cover HTML 116K
18: R2 Audit Information HTML 44K
19: R3 Consolidated Balance Sheets HTML 172K
20: R4 Consolidated Balance Sheets (Parenthetical) HTML 45K
21: R5 Consolidated Statements of Income HTML 129K
22: R6 Consolidated Statements of Comprehensive Income HTML 91K
23: R7 Consolidated Statements of Cash Flows HTML 140K
24: R8 Consolidated Statements of Equity HTML 91K
25: R9 CONSOLIDATED BALANCE SHEETS - Southwest HTML 176K
26: R10 CONSOLIDATED STATEMENTS OF INCOME - Southwest HTML 90K
27: R11 CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - HTML 85K
Southwest
28: R12 CONSOLIDATED STATEMENTS OF CASH FLOWS - Southwest HTML 144K
29: R13 CONSOLIDATED STATEMENTS OF EQUITY - Southwest HTML 77K
30: R14 Background, Organization, and Summary of HTML 192K
Significant Accounting Policies
31: R15 Regulated Operations Plant and Leases HTML 127K
32: R16 Revenue HTML 131K
33: R17 Receivables and Related Allowances HTML 60K
34: R18 Regulatory Assets and Liabilities HTML 108K
35: R19 Other Comprehensive Income and Accumulated Other HTML 208K
Comprehensive Income ("Aoci")
36: R20 Common Stock HTML 48K
37: R21 Debt HTML 173K
38: R22 Share-Based Compensation HTML 62K
39: R23 Commitments and Contingencies HTML 48K
40: R24 Pension and Other Postretirement Benefits HTML 283K
41: R25 Income Taxes HTML 229K
42: R26 Segment Information HTML 165K
43: R27 Redeemable Noncontrolling Interests HTML 62K
44: R28 Acquisitions and Dispositions HTML 67K
45: R29 Background, Organization, and Summary of HTML 139K
Significant Accounting Policies (Policies)
46: R30 Background, Organization, and Summary of HTML 145K
Significant Accounting Policies (Tables)
47: R31 Regulated Operations Plant and Leases (Tables) HTML 144K
48: R32 Revenue (Tables) HTML 108K
49: R33 Receivables and Related Allowances (Tables) HTML 58K
50: R34 Regulatory Assets and Liabilities (Tables) HTML 178K
51: R35 Other Comprehensive Income and Accumulated Other HTML 267K
Comprehensive Income ("Aoci") (Tables)
52: R36 Common Stock (Tables) HTML 42K
53: R37 Debt (Tables) HTML 150K
54: R38 Share-Based Compensation (Tables) HTML 57K
55: R39 Pension and Other Postretirement Benefits (Tables) HTML 283K
56: R40 Income Taxes (Tables) HTML 231K
57: R41 Segment Information (Tables) HTML 163K
58: R42 Redeemable Noncontrolling Interests (Tables) HTML 55K
59: R43 Acquisitions and Dispositions (Tables) HTML 65K
60: R44 Background, Organization, and Summary of HTML 130K
Significant Accounting Policies - Narrative
(Details)
61: R45 Background, Organization, and Summary of HTML 50K
Significant Accounting Policies - Schedule of
Other Property and Investments (Details)
62: R46 Background, Organization, and Summary of HTML 54K
Significant Accounting Policies - Summary of
Intangible Assets (Details)
63: R47 Background, Organization, and Summary of HTML 54K
Significant Accounting Policies - Schedule of
Estimated Future Amortization of Intangible Assets
(Details)
64: R48 Background, Organization, and Summary of HTML 67K
Significant Accounting Policies - Schedule of
Goodwill (Details)
65: R49 Background, Organization, and Summary of HTML 47K
Significant Accounting Policies - Schedule of
Capitalized and Debt Portion of AFUDC (Details)
66: R50 Background, Organization, and Summary of HTML 64K
Significant Accounting Policies - Other Income
(Deductions) (Details)
67: R51 Background, Organization, and Summary of HTML 54K
Significant Accounting Policies - Schedule of
Earnings Per Share, Basic and Diluted (Details)
68: R52 Regulated Operations Plant and Leases - Schedule HTML 67K
of Regulated Operations Plant (Details)
69: R53 Regulated Operations Plant and Leases - Narrative HTML 57K
(Details)
70: R54 Regulated Operations Plant and Leases - Schedule HTML 42K
of Depreciation and Amortization Expense (Details)
71: R55 Regulated Operations Plant and Leases - Components HTML 52K
of Lease Expense (Details)
72: R56 Regulated Operations Plant and Leases - HTML 52K
Supplemental Cash Flow Information Related to
Leases (Details)
73: R57 Regulated Operations Plant and Leases - HTML 64K
Supplemental Information Related to Leases
Included in Balance Sheet (Details)
74: R58 Regulated Operations Plant and Leases - Schedule HTML 78K
of Maturities of Lease Liabilities (Details)
75: R59 Revenue - Narrative (Details) HTML 58K
76: R60 Revenue - Schedule of Regulated Operations HTML 61K
Revenues: Natural Gas Distribution Segment
(Details)
77: R61 Revenue - Schedule of Regulated Operations HTML 62K
Revenues: Utility Infrastructure Services Segment
(Details)
78: R62 Revenue - Summary of Information about Receivables HTML 44K
(Details)
79: R63 Revenue - Schedule of Utility Infrastructure HTML 52K
Services Contracts Receivable (Details)
80: R64 Revenue - Schedule of Regulated Operations HTML 55K
Revenues: Pipeline and Storage Segment (Details)
81: R65 Receivables and Related Allowances - Narrative HTML 52K
(Details)
82: R66 Receivables and Related Allowances - Schedule of HTML 38K
Accounts Receivable (Details)
83: R67 Receivables and Related Allowances - Schedule of HTML 43K
Percent of Customers by State (Details)
84: R68 Receivables and Related Allowances - Schedule of HTML 45K
Allowance for Uncollectibles (Details)
85: R69 Regulatory Assets and Liabilities - Schedule of HTML 112K
Regulatory Assets and Liabilities (Details)
86: R70 Regulatory Assets and Liabilities - Schedule of HTML 69K
Components of Other Regulatory Assets (Details)
87: R71 Regulatory Assets and Liabilities - Schedule of HTML 54K
Components of Other Regulatory Liabilities
(Details)
88: R72 Other Comprehensive Income and Accumulated Other HTML 119K
Comprehensive Income ("AOCI") - Related Tax
Effects Allocated to OCI (Detail)
89: R73 Other Comprehensive Income and Accumulated Other HTML 161K
Comprehensive Income ("AOCI") - AOCI Rollforward
(Details)
90: R74 Other Comprehensive Income and Accumulated Other HTML 47K
Comprehensive Income ("AOCI") - Amount Recognized
Before Income Tax Associated with Defined Benefit
Plans in Accumulated Other Comprehensive Income
(Detail)
91: R75 Common Stock - Narrative (Details) HTML 67K
92: R76 Common Stock - Activity of Equity Shelf Program HTML 50K
(Details)
93: R77 Debt - Schedule of Carrying Amounts and Estimated HTML 184K
Fair Values of Long-Term Debt (Details)
94: R78 Debt - Narrative (Details) HTML 283K
95: R79 Debt - Summary of Effective Interest Rates on HTML 48K
Variable-Rate IDRBs (Details)
96: R80 Debt - Estimated Maturities of Long-Term Debt HTML 76K
(Details)
97: R81 Share-Based Compensation - Schedule of Share-Based HTML 41K
Plan Compensation Expense, Including Cash Award
(Details)
98: R82 Share-Based Compensation - Narrative (Details) HTML 63K
99: R83 Share-Based Compensation - Schedule of Nonvested HTML 69K
Performance and Restricted Stock Unit Plans
(Details)
100: R84 Commitments and Contingencies (Details) HTML 53K
101: R85 Pension and Other Postretirement Benefits - HTML 98K
Narrative (Details)
102: R86 Pension and Other Postretirement Benefits - HTML 45K
Schedule of Assumptions Used (Details)
103: R87 Pension and Other Postretirement Benefits - HTML 94K
Schedule of Amounts Recognized in Balance Sheet
and Income Statement (Details)
104: R88 Pension and Other Postretirement Benefits - HTML 43K
Schedule of Accumulated Benefit Obligation
(Details)
105: R89 Pension and Other Postretirement Benefits - HTML 58K
Schedule of Expected Benefit Payments (Details)
106: R90 Pension and Other Postretirement Benefits - HTML 79K
Schedule of Net Periodic Benefit Cost and
Weighted-Average Assumptions (Details)
107: R91 Pension and Other Postretirement Benefits - HTML 76K
Schedule of Other Changes in Plan Assets and
Benefit Obligations Recognized in Net Periodic
Benefit Cost and Other Comprehensive Income
(Details)
108: R92 Pension and Other Postretirement Benefits - HTML 112K
Schedule of Fair Value of Plan Assets (Details)
109: R93 Income Taxes - Summary of Income Before Taxes and HTML 47K
Noncontrolling Interest for Domestic and Foreign
Operations (Details)
110: R94 Income Taxes - Summary of Income Tax Expense HTML 70K
(Benefit) (Details)
111: R95 Income Taxes - Significant Components of Deferred HTML 79K
Income Tax Expense (Benefit) (Details)
112: R96 Income Taxes - Reconciliation of U.S Federal HTML 59K
Statutory Rate to Consolidated Effective Tax Rate
(Details)
113: R97 Income Taxes - Deferred Tax Assets and Liabilities HTML 85K
(Details)
114: R98 Income Taxes - Narrative (Details) HTML 60K
115: R99 Income Taxes - Reconciliation of Unrecognized Tax HTML 58K
Benefits (Details)
116: R100 Income Taxes - Summary of Income Before Taxes for HTML 41K
Continuing and Discontinued Operations (Details)
117: R101 Segment Information - Narrative (Details) HTML 46K
118: R102 Segment Information - Accounts Receivable for HTML 43K
Services (Details)
119: R103 Segment Information - Schedule of Revenues by HTML 43K
Geographic Area (Details)
120: R104 Segment Information - Schedule of Segment HTML 109K
Reporting Information (Details)
121: R105 Redeemable Noncontrolling Interests - Narrative HTML 64K
(Details)
122: R106 Redeemable Noncontrolling Interests - Summary of HTML 59K
Redeemable Noncontrolling Interest (Details)
123: R107 Acquisitions and Dispositions - Acquisitions - HTML 41K
Narrative (Details)
124: R108 Acquisitions and Dispositions - Business HTML 52K
Acquisition, Pro Forma Information (Details)
125: R109 Acquisitions and Dispositions - Dispositions - HTML 58K
Narrative (Details)
126: R110 Acquisitions and Dispositions - Schedule of Assets HTML 99K
Held for Sale (Details)
129: XML IDEA XML File -- Filing Summary XML 247K
127: XML XBRL Instance -- swx-20221231_htm XML 6.66M
128: EXCEL IDEA Workbook of Financial Reports XLSX 342K
13: EX-101.CAL XBRL Calculations -- swx-20221231_cal XML 408K
14: EX-101.DEF XBRL Definitions -- swx-20221231_def XML 1.81M
15: EX-101.LAB XBRL Labels -- swx-20221231_lab XML 3.20M
16: EX-101.PRE XBRL Presentations -- swx-20221231_pre XML 2.24M
12: EX-101.SCH XBRL Schema -- swx-20221231 XSD 375K
130: JSON XBRL Instance as JSON Data -- MetaLinks 745± 1.22M
131: ZIP XBRL Zipped Folder -- 0001692115-23-000056-xbrl Zip 1.34M
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