v3.25.3
Fair Value Measurements - Changes in Level 3 Financial Assets and Financial Liabilities Carried at Fair Value (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning balance $ 362      
Beginning balance, including held for sale assets   $ 397 $ 417 $ 447
Losses included in Shareholders' net income (9) (10) (23) (71)
Gains included in Other comprehensive income (loss) 21 8 31 3
Purchases, sales and settlements        
Purchases 617 4 644 15
Sales (1) (2) (3) (2)
Settlements (21) (4) (101) (19)
Total purchases, sales and settlements 595 (2) 540 (6)
Transfers into / (out of) Level 3        
Transfers into Level 3 10 32 59 63
Transfers out of Level 3 0 (2) (45) (13)
Total transfers into / (out of) Level 3 10 30 14 50
Ending balance 979   979  
Ending balance, including held for sale assets   423   423
Total losses included in Shareholders' net income attributable to instruments held at the reporting date (6) (9) (23) (71)
Change in unrealized gain or (loss) included in Other comprehensive income (loss) for assets held at the end of the reporting period $ 11 $ 8 $ 18 $ 3