Accumulated Other Comprehensive Income (Loss) - Reclassifications of Accumulated Other Comprehensive Income to Consolidated Statement of Comprehensive Income (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Schedule Of Reclassification Of Accumulated Other Comprehensive Income Loss [Line Items]
Foreign currency contracts	$ 2,081	$ 1,711
Interest Expense	(72)	(65)
Tax	39	(14)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges
Schedule Of Reclassification Of Accumulated Other Comprehensive Income Loss [Line Items]
Tax	0	(1)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges | Foreign currency contracts
Schedule Of Reclassification Of Accumulated Other Comprehensive Income Loss [Line Items]
Foreign currency contracts	0	(3)
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	2	2
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	(5)	(8)
Accumulated Defined Benefit Plans Adjustment
Schedule Of Reclassification Of Accumulated Other Comprehensive Income Loss [Line Items]
Tax	0	(1)
Reclassification out of Accumulated Other Comprehensive Income | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges
Schedule Of Reclassification Of Accumulated Other Comprehensive Income Loss [Line Items]
Total	0	(2)
Reclassification out of Accumulated Other Comprehensive Income | Accumulated Defined Benefit Plans Adjustment
Schedule Of Reclassification Of Accumulated Other Comprehensive Income Loss [Line Items]
Total	$ (3)	$ (7)