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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
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Accumulated other comprehensive loss, net of tax | $ 17,655 |  |
Accumulated other comprehensive loss, net of tax | 14,611 | $ 17,655 |
Foreign Currency Translation Adjustments |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Accumulated other comprehensive loss, net of tax | (2,066) | (1,133) | $ (285)
OCI before reclassifications | 367 | (933) | (848)
Amounts reclassified from AOCI | 0 | 0 | 0
Net current period other comprehensive income (loss) | 414 | (933) | (848)
Accumulated other comprehensive loss, net of tax | (1,652) | (2,066) | (1,133)
Other Comprehensive Income (Loss), Reclassification Adjustment From AOCI Due To Business Divestitures | 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 | (7)
OCI before reclassifications | 0 | 0 | 1
Amounts reclassified from AOCI | 0 | 0 | 7
Net current period other comprehensive income (loss) | 0 | 0 | 8
Accumulated other comprehensive loss, net of tax | 1 | 1 | 1
Other Comprehensive Income (Loss), Reclassification Adjustment From AOCI Due To Business Divestitures | 0 |  |
Pension and Postretirement Liability Adjustment |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Accumulated other comprehensive loss, net of tax | (133) | (291) | (406)
OCI before reclassifications | (100) | 148 | 97
Amounts reclassified from AOCI | (11) | 10 | 18
Net current period other comprehensive income (loss) | (112) | 158 | 115
Accumulated other comprehensive loss, net of tax | (245) | (133) | (291)
Other Comprehensive Income (Loss), Reclassification Adjustment From AOCI Due To Business Divestitures | (1) |  |
Total |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Accumulated other comprehensive loss, net of tax | (2,198) | (1,423) | (698)
OCI before reclassifications | 267 | (785) | (750)
Amounts reclassified from AOCI | (11) | 10 | 25
Net current period other comprehensive income (loss) | 302 | (775) | (725)
Accumulated other comprehensive loss, net of tax | (1,896) | $ (2,198) | $ (1,423)
Other Comprehensive Income (Loss), Reclassification Adjustment From AOCI Due To Business Divestitures | $ 46 |  |

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