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Income Taxes - Pre-tax Income and Income Tax Expense (Benefit) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Income Tax Contingency [Line Items] |  |  |
Income (loss) before income taxes and equity income (loss) | $ 13,194 | $ 9,924 | $ 10,760
Current income tax expense (benefit) |  |  |
U.S. federal | 202 | 240 | 389
U.S. state and local | 309 | 490 | 368
Non-U.S. | 676 | 874 | 707
Total current income tax expense (benefit) | 1,188 | 1,605 | 1,464
Deferred income tax expense (benefit) |  |  |
U.S. federal | 891 | (120) | 263
U.S. state and local | 101 | (43) | 109
Non-U.S. | 376 | (878) | 53
Total deferred income tax expense (benefit) | 1,368 | (1,041) | 425
Total income tax expense (benefit) | 2,556 | 563 | 1,888
Basis differences from reinvested earnings | 6,100 | 4,300 |
Valuation allowance reversed |  | 870 |
China JVs |  |  |
Deferred income tax expense (benefit) |  |  |
Additional basis differences | 1,400 | 3,400 |
U.S. |  |  |
Income Tax Contingency [Line Items] |  |  |
Income (loss) before income taxes and equity income (loss) | 9,729 | 6,388 | 9,454
Non-U.S. |  |  |
Income Tax Contingency [Line Items] |  |  |
Income (loss) before income taxes and equity income (loss) | $ 3,465 | $ 3,535 | $ 1,306

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