v3.23.1
Fair Value Measurements - Changes in level 3 recurring fair value measurements, liabilities (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Sep. 09, 2022
Dec. 31, 2020
Liabilities:        
Fair Value Beginning of Period $ 6,051 $ 13,081   $ 13,375
Net Realized and Unrealized (Gains) Losses Included in Income (7,023) 1,269    
Other Comprehensive (Income) Loss 0 0    
Purchases, Sales, Issuances and Settlements, Net (7) (1,491)    
Fair Value End of Year 6,051 13,081    
Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period 7,864 2,687    
Changes in Unrealized Gain (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Year 0 0    
Derivative liabilities, net:        
Gross Transfers Out   (1)    
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 (3,423) (1,505)    
Collateralized Debt Obligations | AIG Special Purposes Entities | Total derivatives with related parties | Corebridge        
Derivative liabilities, net:        
Noncontrolling interest ownership percentage     100.00%  
Bonds available for sale        
Derivative liabilities, net:        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 (2,960) (1,504)    
Bonds available for sale | Obligations of states, municipalities and political subdivisions        
Derivative liabilities, net:        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 (11) (260)    
Bonds available for sale | Corporate debt        
Derivative liabilities, net:        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 (516) (249)    
Bonds available for sale | RMBS        
Derivative liabilities, net:        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 (434) (46)    
Bonds available for sale | CMBS        
Derivative liabilities, net:        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 (306) (100)    
Bonds available for sale | CLO        
Derivative liabilities, net:        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 (1,673) (849)    
Bonds available for sale | ABS        
Derivative liabilities, net:        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 (20) 0    
Other bond securities        
Derivative liabilities, net:        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 (283) 0    
Other bond securities | Corporate debt        
Derivative liabilities, net:        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 (205) 0    
Other bond securities | RMBS        
Derivative liabilities, net:        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 0 0    
Other bond securities | CMBS        
Derivative liabilities, net:        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 0 0    
Other bond securities | CLO        
Derivative liabilities, net:        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 (78) 0    
Other bond securities | ABS        
Derivative liabilities, net:        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 0 0    
Equity securities        
Derivative liabilities, net:        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 0 (1)    
Other Invested Assets        
Derivative liabilities, net:        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 (180) 0    
Policyholder contract deposits(b)        
Liabilities:        
Fair Value Beginning of Period 5,367 5,572   4,830
Net Realized and Unrealized (Gains) Losses Included in Income (1,107) 476    
Other Comprehensive (Income) Loss 0 0    
Purchases, Sales, Issuances and Settlements, Net 902 320    
Gross Transfers In 0 0    
Gross Transfers Out 0 (54)    
Other 0 0    
Fair Value End of Year 5,367 5,572    
Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period 1,363 837    
Changes in Unrealized Gain (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Year 0 0    
Derivative liabilities, net        
Liabilities:        
Net Realized and Unrealized (Gains) Losses Included in Income 432 (73)    
Purchases, Sales, Issuances and Settlements, Net (546) (224)    
Derivative liabilities, net:        
Fair Value Beginning of Period (470) (155)    
Net Realized and Unrealized (Gains) Losses Included in Income 432 (73)    
Other Comprehensive (Income) Loss 0 0    
Purchases, Sales, Issuances and Settlements, Net (546) (224)    
Gross Transfers In 0 (71)    
Gross Transfers Out 0 53    
Other 0 0    
Fair Value End of Year (584) (470)    
Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period (187) 80    
Changes in Unrealized Gain (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Year 0 0    
Interest rate contracts        
Derivative liabilities, net:        
Fair Value Beginning of Period 0 0    
Net Realized and Unrealized (Gains) Losses Included in Income 1 0    
Other Comprehensive (Income) Loss 0 0    
Purchases, Sales, Issuances and Settlements, Net (304) 0    
Gross Transfers In 0 0    
Gross Transfers Out 0 0    
Other 0 0    
Fair Value End of Year (303) 0    
Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period (1) 0    
Changes in Unrealized Gain (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Year 0 0    
Foreign exchange contracts        
Derivative liabilities, net:        
Fair Value Beginning of Period 0 0    
Net Realized and Unrealized (Gains) Losses Included in Income (1) 0    
Other Comprehensive (Income) Loss 0 0    
Purchases, Sales, Issuances and Settlements, Net 1 0    
Gross Transfers In 0 0    
Gross Transfers Out 0 0    
Other 0 0    
Fair Value End of Year 0 0    
Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period 0 0    
Changes in Unrealized Gain (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Year 0 0    
Equity contracts        
Derivative liabilities, net:        
Fair Value Beginning of Period (457) (146)    
Net Realized and Unrealized (Gains) Losses Included in Income 494 (22)    
Other Comprehensive (Income) Loss 0 0    
Purchases, Sales, Issuances and Settlements, Net (304) (271)    
Gross Transfers In 0 (71)    
Gross Transfers Out 0 53    
Other 0 0    
Fair Value End of Year (267) (457)    
Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period (249) 19    
Changes in Unrealized Gain (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Year 0 0    
Credit contracts        
Derivative liabilities, net:        
Fair Value Beginning of Period (1) (2)    
Net Realized and Unrealized (Gains) Losses Included in Income 1 11    
Other Comprehensive (Income) Loss 0 0    
Purchases, Sales, Issuances and Settlements, Net 0 (10)    
Gross Transfers In 0 0    
Gross Transfers Out 0 0    
Other 0 0    
Fair Value End of Year 0 (1)    
Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period 0 (2)    
Changes in Unrealized Gain (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Year 0 0    
Other contracts        
Derivative liabilities, net:        
Fair Value Beginning of Period (12) (7)    
Net Realized and Unrealized (Gains) Losses Included in Income (63) (62)    
Other Comprehensive (Income) Loss 0 0    
Purchases, Sales, Issuances and Settlements, Net 61 57    
Gross Transfers In 0 0    
Gross Transfers Out 0 0    
Other 0 0    
Fair Value End of Year (14) (12)    
Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period 63 63    
Changes in Unrealized Gain (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Year 0 0    
Fortitude Re funds withheld payable        
Liabilities:        
Fair Value Beginning of Period 1,262 7,974   7,749
Net Realized and Unrealized (Gains) Losses Included in Income (6,348) 687    
Other Comprehensive (Income) Loss 0 0    
Purchases, Sales, Issuances and Settlements, Net (364) (462)    
Gross Transfers In 0 0    
Gross Transfers Out 0 0    
Other 0 0    
Fair Value End of Year 1,262 7,974    
Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period 6,689 1,766    
Changes in Unrealized Gain (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Year 0 0    
Debt of consolidated investment entities        
Liabilities:        
Fair Value Beginning of Period 6 5   $ 951
Net Realized and Unrealized (Gains) Losses Included in Income 0 (179)    
Other Comprehensive (Income) Loss 0 0    
Purchases, Sales, Issuances and Settlements, Net 1 (1,125)    
Gross Transfers In 0 0    
Gross Transfers Out 0 0    
Other 0 0    
Fair Value End of Year 6 5    
Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period (1) 4    
Changes in Unrealized Gain (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Year $ 0 $ 0