XML 72 R58.htm IDEA: XBRL DOCUMENT v3.23.1
Fair Value of Financial Instruments - Reconciliation of Level 3 Financial Instruments (Details) - Level 3 - Derivatives - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance $ 505 $ 293
Total (losses)/gains realized/unrealized included in earnings (91) 166
Purchases 41 23
Transfers into Level 3 24 53
Transfers out of Level 3 (8) (7)
Ending balance 471 528
(Losses)/Gains for the period included in earnings attributable to the change in unrealized gains or losses relating to assets or liabilities still held as of period end $ (55) $ 237