v3.26.1
Derivatives and Hedging Activities - Derivatives Not Designated as Hedges Impact (Details) - Not designated as hedging instruments - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Net Investment Income    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) $ 3 $ (2)
Net Investment Income | Interest rate contracts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Net Investment Income | Equity contracts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 3 (2)
Net Investment Income | Credit contracts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Net Investment Income | Foreign exchange contracts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Net Investment Income | IUL embedded derivatives    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Net Investment Income | Fixed deferred indexed annuity and deposit receivables embedded derivatives    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Net Investment Income | Structured variable annuity embedded derivatives    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Net Investment Income | SMC embedded derivatives    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Banking and Deposit Interest Expense    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Banking and Deposit Interest Expense | Interest rate contracts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Banking and Deposit Interest Expense | Equity contracts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 (1)
Banking and Deposit Interest Expense | Credit contracts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Banking and Deposit Interest Expense | Foreign exchange contracts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Banking and Deposit Interest Expense | IUL embedded derivatives    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Banking and Deposit Interest Expense | Fixed deferred indexed annuity and deposit receivables embedded derivatives    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Banking and Deposit Interest Expense | Structured variable annuity embedded derivatives    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Banking and Deposit Interest Expense | SMC embedded derivatives    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 1
Distribution Expenses    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 15 (73)
Distribution Expenses | Interest rate contracts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Distribution Expenses | Equity contracts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 15 (75)
Distribution Expenses | Credit contracts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 2
Distribution Expenses | Foreign exchange contracts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Distribution Expenses | IUL embedded derivatives    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Distribution Expenses | Fixed deferred indexed annuity and deposit receivables embedded derivatives    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Distribution Expenses | Structured variable annuity embedded derivatives    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Distribution Expenses | SMC embedded derivatives    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Interest Credited to Fixed Accounts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) (8) 2
Interest Credited to Fixed Accounts | Interest rate contracts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Interest Credited to Fixed Accounts | Equity contracts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) (25) (29)
Interest Credited to Fixed Accounts | Credit contracts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Interest Credited to Fixed Accounts | Foreign exchange contracts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Interest Credited to Fixed Accounts | IUL embedded derivatives    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 23 32
Interest Credited to Fixed Accounts | Fixed deferred indexed annuity and deposit receivables embedded derivatives    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) (6) (1)
Interest Credited to Fixed Accounts | Structured variable annuity embedded derivatives    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Interest Credited to Fixed Accounts | SMC embedded derivatives    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Benefits, Claims, Losses and Settlement Expenses    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) (27) (124)
Benefits, Claims, Losses and Settlement Expenses | Interest rate contracts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) (2) 2
Benefits, Claims, Losses and Settlement Expenses | Equity contracts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) (530) (674)
Benefits, Claims, Losses and Settlement Expenses | Credit contracts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Benefits, Claims, Losses and Settlement Expenses | Foreign exchange contracts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Benefits, Claims, Losses and Settlement Expenses | IUL embedded derivatives    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Benefits, Claims, Losses and Settlement Expenses | Fixed deferred indexed annuity and deposit receivables embedded derivatives    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Benefits, Claims, Losses and Settlement Expenses | Structured variable annuity embedded derivatives    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 505 548
Benefits, Claims, Losses and Settlement Expenses | SMC embedded derivatives    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Change in Fair Value of Market Risk Benefits    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 176 309
Change in Fair Value of Market Risk Benefits | Interest rate contracts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) (28) 120
Change in Fair Value of Market Risk Benefits | Equity contracts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 167 247
Change in Fair Value of Market Risk Benefits | Credit contracts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 29 (48)
Change in Fair Value of Market Risk Benefits | Foreign exchange contracts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 8 (10)
Change in Fair Value of Market Risk Benefits | IUL embedded derivatives    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Change in Fair Value of Market Risk Benefits | Fixed deferred indexed annuity and deposit receivables embedded derivatives    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Change in Fair Value of Market Risk Benefits | Structured variable annuity embedded derivatives    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
Change in Fair Value of Market Risk Benefits | SMC embedded derivatives    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
General and administrative expense    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) (2) 7
General and administrative expense | Interest rate contracts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
General and administrative expense | Equity contracts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 1 (5)
General and administrative expense | Credit contracts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
General and administrative expense | Foreign exchange contracts    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) (3) 12
General and administrative expense | IUL embedded derivatives    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
General and administrative expense | Fixed deferred indexed annuity and deposit receivables embedded derivatives    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
General and administrative expense | Structured variable annuity embedded derivatives    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) 0 0
General and administrative expense | SMC embedded derivatives    
Impact of derivatives not designated as hedging instruments    
Total gain (loss) $ 0 $ 0