v3.23.1
Insurance Liabilities - Rollforward of universal life policies (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Jan. 01, 2021
Dec. 31, 2020
Liabilities for Guarantees on Long-Duration Contracts [Line Items]        
Liability for universal life policies with secondary guarantees and similar features $ 50,518 $ 64,270 $ 65,182  
As Previously Reported        
Liabilities for Guarantees on Long-Duration Contracts [Line Items]        
Liability for universal life policies with secondary guarantees and similar features 57,266 57,751 $ 54,660  
Individual Retirement        
Liabilities for Guarantees on Long-Duration Contracts [Line Items]        
Liability for universal life policies with secondary guarantees and similar features 1,359 1,496    
Group Retirement        
Liabilities for Guarantees on Long-Duration Contracts [Line Items]        
Liability for universal life policies with secondary guarantees and similar features 223 275    
Life Insurance        
Liabilities for Guarantees on Long-Duration Contracts [Line Items]        
Liability for universal life policies with secondary guarantees and similar features 13,354 18,535    
Corporate & Other        
Liabilities for Guarantees on Long-Duration Contracts [Line Items]        
Liability for universal life policies with secondary guarantees and similar features 21,837 28,855    
Universal Life        
Liabilities for Guarantees on Long-Duration Contracts [Line Items]        
Liability for universal life policies with secondary guarantees and similar features 3,355 5,007   $ 5,172
Universal Life | As Previously Reported        
Liabilities for Guarantees on Long-Duration Contracts [Line Items]        
Liability for universal life policies with secondary guarantees and similar features       6,782
Universal Life | Adjustment for the reclassification of additional liabilities from Future policy benefits to Market risk benefits(a)        
Liabilities for Guarantees on Long-Duration Contracts [Line Items]        
Liability for universal life policies with secondary guarantees and similar features       (1,005)
Universal Life | Adjustment for removal of related balances in Accumulated other comprehensive income (loss) originating from unrealized gains (losses)(b)        
Liabilities for Guarantees on Long-Duration Contracts [Line Items]        
Liability for universal life policies with secondary guarantees and similar features       (605)
Universal Life | Individual Retirement        
Liabilities for Guarantees on Long-Duration Contracts [Line Items]        
Liability for universal life policies with secondary guarantees and similar features       0
Universal Life | Individual Retirement | As Previously Reported        
Liabilities for Guarantees on Long-Duration Contracts [Line Items]        
Liability for universal life policies with secondary guarantees and similar features       1,391
Universal Life | Individual Retirement | Adjustment for the reclassification of additional liabilities from Future policy benefits to Market risk benefits(a)        
Liabilities for Guarantees on Long-Duration Contracts [Line Items]        
Liability for universal life policies with secondary guarantees and similar features       (875)
Universal Life | Individual Retirement | Adjustment for removal of related balances in Accumulated other comprehensive income (loss) originating from unrealized gains (losses)(b)        
Liabilities for Guarantees on Long-Duration Contracts [Line Items]        
Liability for universal life policies with secondary guarantees and similar features       (516)
Universal Life | Group Retirement        
Liabilities for Guarantees on Long-Duration Contracts [Line Items]        
Liability for universal life policies with secondary guarantees and similar features       0
Universal Life | Group Retirement | As Previously Reported        
Liabilities for Guarantees on Long-Duration Contracts [Line Items]        
Liability for universal life policies with secondary guarantees and similar features       219
Universal Life | Group Retirement | Adjustment for the reclassification of additional liabilities from Future policy benefits to Market risk benefits(a)        
Liabilities for Guarantees on Long-Duration Contracts [Line Items]        
Liability for universal life policies with secondary guarantees and similar features       (130)
Universal Life | Group Retirement | Adjustment for removal of related balances in Accumulated other comprehensive income (loss) originating from unrealized gains (losses)(b)        
Liabilities for Guarantees on Long-Duration Contracts [Line Items]        
Liability for universal life policies with secondary guarantees and similar features       (89)
Universal Life | Life Insurance        
Liabilities for Guarantees on Long-Duration Contracts [Line Items]        
Liability for universal life policies with secondary guarantees and similar features 3,300 4,952   5,117
Universal Life | Life Insurance | As Previously Reported        
Liabilities for Guarantees on Long-Duration Contracts [Line Items]        
Liability for universal life policies with secondary guarantees and similar features       5,117
Universal Life | Life Insurance | Adjustment for the reclassification of additional liabilities from Future policy benefits to Market risk benefits(a)        
Liabilities for Guarantees on Long-Duration Contracts [Line Items]        
Liability for universal life policies with secondary guarantees and similar features       0
Universal Life | Life Insurance | Adjustment for removal of related balances in Accumulated other comprehensive income (loss) originating from unrealized gains (losses)(b)        
Liabilities for Guarantees on Long-Duration Contracts [Line Items]        
Liability for universal life policies with secondary guarantees and similar features       0
Universal Life | Corporate & Other        
Liabilities for Guarantees on Long-Duration Contracts [Line Items]        
Liability for universal life policies with secondary guarantees and similar features $ 55 $ 55   55
Universal Life | Corporate & Other | As Previously Reported        
Liabilities for Guarantees on Long-Duration Contracts [Line Items]        
Liability for universal life policies with secondary guarantees and similar features       55
Universal Life | Corporate & Other | Adjustment for the reclassification of additional liabilities from Future policy benefits to Market risk benefits(a)        
Liabilities for Guarantees on Long-Duration Contracts [Line Items]        
Liability for universal life policies with secondary guarantees and similar features       0
Universal Life | Corporate & Other | Adjustment for removal of related balances in Accumulated other comprehensive income (loss) originating from unrealized gains (losses)(b)        
Liabilities for Guarantees on Long-Duration Contracts [Line Items]        
Liability for universal life policies with secondary guarantees and similar features       $ 0