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Accumulated Other Comprehensive Income (Loss) - Reclassifications of Accumulated Other Comprehensive Income to Consolidated Statement of Comprehensive Income (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Schedule Of Reclassification Of Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Foreign currency contracts | $ 1,896 | $ 2,062 | $ 5,955 | $ 6,314
Interest Expense | (110) | (83) | (337) | (232)
Tax | $ 32 | $ 160 | 77 | 220
Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] |  |  |  |
Schedule Of Reclassification Of Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax |  |  | 4 | 5
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member] |  |  |  |
Schedule Of Reclassification Of Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax |  |  | 0 | (15)
Pension and Postretirement Liability Adjustment |  |  |  |
Schedule Of Reclassification Of Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Tax |  |  | (1) | 2
Reclassification out of Accumulated Other Comprehensive Income | Pension and Postretirement Liability Adjustment |  |  |  |
Schedule Of Reclassification Of Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Total |  |  | $ 3 | $ (8)

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