v3.26.1
Separate Account Liability (Details) - USD ($)
$ in Millions
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Assets held in separate accounts $ 116,066 $ 109,772  
Liabilities related to separate accounts 116,066 109,772  
Retirement      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Liabilities related to separate accounts 113,854 107,370 $ 96,738
Separate Account, Liability, Policy Charge (278) (532)  
Separate Account, Liability, Increase (Decrease) from Invested Performance 9,237 14,694  
Separate Account, Liability, Surrender and Withdrawal 8,192 13,667  
Transfer to (from) Policyholder Account Balance (to) from Separate Account (747) (1,571)  
Separate Account, Liability, Cash Surrender Value, Amount 106,396 100,190  
Separate Account, Liability, Premium and Deposit 6,464 11,708  
Other Segments      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Liabilities related to separate accounts 2,212 2,402  
US Treasury and Government      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Assets held in separate accounts 994 909  
Debt Securities      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Assets held in separate accounts 2,818 2,635  
Separate Account, Mortgage-Backed Security      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Assets held in separate accounts 2,987 2,928  
Separate Account, Equity Security      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Assets held in separate accounts 108,382 102,097  
Separate Account, Cash and Cash Equivalents      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Assets held in separate accounts 741 734  
Asset-Backed Securities, Securitized Loans and Receivables      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Assets held in separate accounts 144 469  
Deferred Variable Annuity | Retirement      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Liabilities related to separate accounts 106,415 100,211 89,837
Separate Account, Liability, Policy Charge (263) (501)  
Separate Account, Liability, Increase (Decrease) from Invested Performance 9,170 14,163  
Separate Account, Liability, Surrender and Withdrawal (7,512) (12,462)  
Transfer to (from) Policyholder Account Balance (to) from Separate Account (747) (1,571)  
Separate Account, Liability, Premium and Deposit 5,556 10,745  
Retirement Stabilizer | Retirement      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Liabilities related to separate accounts 7,439 7,159 $ 6,901
Separate Account, Liability, Policy Charge (15) (31)  
Separate Account, Liability, Increase (Decrease) from Invested Performance 67 531  
Separate Account, Liability, Surrender and Withdrawal (680) (1,205)  
Transfer to (from) Policyholder Account Balance (to) from Separate Account 0 0  
Separate Account, Liability, Premium and Deposit $ 908 $ 963