v3.26.1
Commitments and Contingent Liabilities (Summary of Commitments and Contingent Liabilities) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Commitments | Commercial Mortgage Loans          
Commitments and Contingent Liabilities [Line Items]          
Total outstanding mortgage loan commitments $ 2,891   $ 2,891   $ 1,851
Portion of commitment where prearrangement to sell to investor exists 849   849   352
Allowance for credit losses 6   6   5
Change in allowance for credit losses 1 $ 2 1 $ 2  
Expected to be funded from the GA and other operations outside the SA          
Commitments and Contingent Liabilities [Line Items]          
Commitments to purchase investment (excluding commercial mortgage loans) 14,811   14,811   13,205
Expected to be funded from separate accounts          
Commitments and Contingent Liabilities [Line Items]          
Commitments to purchase investment (excluding commercial mortgage loans) 622   622   339
Indemnification | Securities Lending and Securities Repurchase Transactions          
Commitments and Contingent Liabilities [Line Items]          
Indemnification provided to certain clients for securities lending and securities repurchase transactions 7,609   7,609   4,459
Fair value of related collateral associated with above indemnifications 7,778   7,778   4,558
Accrued liability associated with guarantee 0   0   0
Indemnification | Securities Repurchase Transactions          
Commitments and Contingent Liabilities [Line Items]          
Indemnification provided to certain clients for securities lending and securities repurchase transactions 0   0   0
Indemnification | Serviced Mortgage Loans          
Commitments and Contingent Liabilities [Line Items]          
Accrued liability associated with guarantee 25   25   24
Maximum exposure under indemnification agreements for mortgage loans serviced by the Company 3,885   3,885   3,717
First-loss exposure portion of above 1,115   1,115   1,068
Allowance for credit losses 10   10   11
Change in allowance for credit losses 1 0 1 (1)  
Guarantees of Asset Values          
Commitments and Contingent Liabilities [Line Items]          
Guaranteed value of third-parties’ assets 75,552   75,552   75,883
Fair value of collateral supporting these assets 72,661   72,661   73,511
Asset (liability) associated with guarantee, carried at fair value 0   0   0
Other Guarantees          
Commitments and Contingent Liabilities [Line Items]          
Accrued liability associated with guarantee 30   30   31
Other guarantees where amount can be determined 289   289   $ 290
Purchase Investments          
Commitments and Contingent Liabilities [Line Items]          
Change in allowance for credit losses $ 0 $ 0 $ 0 $ 0