v3.25.2
Separate Account Liability (Details) - USD ($)
$ in Millions
 6 Months Ended 12 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Assets held in separate accounts $ 104,149 $ 98,579  
Liabilities related to separate accounts 104,149 98,579  
Retirement      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Liabilities related to separate accounts 101,883 96,738 $ 88,615
Separate Account, Liability, Policy Charge (254) (507)  
Separate Account, Liability, Increase (Decrease) from Invested Performance 6,743 13,038  
Separate Account, Liability, Surrender and Withdrawal (6,514) (13,791)  
Transfer to (from) Policyholder Account Balance (to) from Separate Account (943) 1,463  
Separate Account, Liability, Cash Surrender Value, Amount 94,710 89,817  
Separate Account, Liability, Premium and Deposit 6,113 10,846  
Other Segments      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Liabilities related to separate accounts 2,266 1,841  
Wealth Solutions Stabilizer | Retirement      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Liabilities related to separate accounts 7,152 6,901 7,175
Separate Account, Liability, Policy Charge (15) (33)  
Separate Account, Liability, Increase (Decrease) from Invested Performance 296 244  
Separate Account, Liability, Surrender and Withdrawal (623) (1,376)  
Transfer to (from) Policyholder Account Balance (to) from Separate Account 0 0  
Separate Account, Liability, Premium and Deposit 593 891  
Deferred Variable Annuity | Retirement      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Liabilities related to separate accounts 94,731 89,837 $ 81,440
Separate Account, Liability, Policy Charge (239) (474)  
Separate Account, Liability, Increase (Decrease) from Invested Performance 6,447 12,794  
Separate Account, Liability, Surrender and Withdrawal (5,891) (12,415)  
Transfer to (from) Policyholder Account Balance (to) from Separate Account 943 1,463  
Separate Account, Liability, Premium and Deposit 5,520 9,955  
US Treasury and Government      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Assets held in separate accounts 979 913  
Separate Account, Mortgage-Backed Security      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Assets held in separate accounts 3,134 3,087  
Separate Account, Equity Security      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Assets held in separate accounts 96,564 91,588  
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 522 437  
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 406 61  
Debt Securities      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Assets held in separate accounts $ 2,544 $ 2,493