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Accounting for Derivative Instruments and Hedging Activities - Pre-tax Effects of Economic Hedges Not Designated as Cash Flow Hedges (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Unrealized mark-to-market results |  |  |  |
Reversal of previously recognized unrealized (gains)/losses on settled positions related to economic hedges | $ (414) | $ (522) | $ 39 | $ (1,519)
Reversal of acquired (gain)/loss positions related to economic hedges | (8) | (6) | (3) | 4
Net unrealized (losses)/gains on open positions related to economic hedges | (1,208) | 475 | (319) | (418)
Total unrealized mark-to-market (losses) for economic hedging activities | (1,630) | (53) | (283) | (1,933)
Reversal of previously recognized unrealized (gains)/losses on settled positions related to trading activity | (1) | 0 | (1) | 11
Net unrealized (losses)/gains on open positions related to trading activity | (4) | (1) | 1 | 13
Total unrealized mark-to-market (losses)/gains for trading activity | (5) | (1) | 0 | 24
Total unrealized (losses) - commodities and foreign exchange | (1,635) | (54) | (283) | (1,909)
Net unrealized gains (losses) on open positions related to economic hedges | (1,208) | 475 | (319) | (418)
Credit Risk Related Contingent Features |  |  |  |
Collateral due on net liability position that has not been called by a certain marginable agreement counterparty | 31 |  | 31 |
Additional collateral required | 27 |  | 27 |
Adequate Assurance Clauses |  |  |  |
Credit Risk Related Contingent Features |  |  |  |
Derivative net liability position, collateral required for contracts with credit rating contingent feature | 444 |  | 444 |
Commodities | Operating revenues |  |  |  |
Unrealized mark-to-market results |  |  |  |
Total unrealized (losses) - commodities and foreign exchange | 3 | (71) | 32 | 120
Commodities | Cost of operations |  |  |  |
Unrealized mark-to-market results |  |  |  |
Total unrealized (losses) - commodities and foreign exchange | (1,633) | 8 | (321) | (2,024)
Foreign exchange | Cost of operations |  |  |  |
Unrealized mark-to-market results |  |  |  |
Total unrealized (losses) - commodities and foreign exchange | (5) | 9 | 6 | (5)
Commodities and foreign exchange |  |  |  |
Unrealized mark-to-market results |  |  |  |
Total unrealized (losses) - commodities and foreign exchange | (1,635) | (54) | (283) | (1,909)
Consumer financing program |  |  |  |
Unrealized mark-to-market results |  |  |  |
Total unrealized (losses) - commodities and foreign exchange | (7) | (1) | (9) | (4)
Interest rate contracts |  |  |  |
Unrealized mark-to-market results |  |  |  |
Total unrealized (losses) - commodities and foreign exchange | $ (49) | $ 8 | $ (31) | $ 32

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