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Accumulated Other Comprehensive Income (Loss) - Schedule of Changes in Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Accumulated other comprehensive loss, net of tax | $ 14,611 |  |
Accumulated other comprehensive loss, net of tax | 13,876 | $ 14,611 |
Foreign Currency Translation Adjustments |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Accumulated other comprehensive loss, net of tax | (1,652) | (2,066) | $ (1,133)
OCI before reclassifications | (778) | 367 | (933)
Amounts reclassified from AOCI | 0 | 0 | 0
Net current period other comprehensive income (loss) | (774) | 414 | (933)
Accumulated other comprehensive loss, net of tax | (2,426) | (1,652) | (2,066)
Other Comprehensive Income (Loss), Reclassification Adjustment From AOCI Due To Business Divestitures | 4 | 47 |
Gains (Losses) on Derivatives Qualifying as Hedges |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Accumulated other comprehensive loss, net of tax | 1 | 1 | 1
OCI before reclassifications | (4) | 0 | 0
Amounts reclassified from AOCI | 1 | 0 | 0
Net current period other comprehensive income (loss) | (3) | 0 | 0
Accumulated other comprehensive loss, net of tax | (2) | 1 | 1
Other Comprehensive Income (Loss), Reclassification Adjustment From AOCI Due To Business Divestitures | 0 | 0 |
Pension and Postretirement Liability Adjustment |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Accumulated other comprehensive loss, net of tax | (245) | (133) | (291)
OCI before reclassifications | 53 | (100) | 148
Amounts reclassified from AOCI | 93 | (11) | 10
Net current period other comprehensive income (loss) | 146 | (112) | 158
Accumulated other comprehensive loss, net of tax | (99) | (245) | (133)
Other Comprehensive Income (Loss), Reclassification Adjustment From AOCI Due To Business Divestitures | 0 | (1) |
Total |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Accumulated other comprehensive loss, net of tax | (1,896) | (2,198) | (1,423)
OCI before reclassifications | (729) | 267 | (785)
Amounts reclassified from AOCI | 94 | (11) | 10
Net current period other comprehensive income (loss) | (631) | 302 | (775)
Accumulated other comprehensive loss, net of tax | (2,527) | (1,896) | $ (2,198)
Other Comprehensive Income (Loss), Reclassification Adjustment From AOCI Due To Business Divestitures | $ 4 | $ 46 |

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