Equity - Amounts Reclassified Out Of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
Significant amounts reclassified out of each component of AOCI
Gains on derivative amount excluded from effectiveness testing		$ 453	$ 454
Tax expense (benefit)		383	234
Total reclassifications, net of tax		(1,369)	(239)
Losses (gains) on foreign currency forward exchange contracts		4,094	3,986
Pension and post-employment benefits
Significant amounts reclassified out of each component of AOCI
Amortization of actuarial losses and other	[1]	8	(2)
Tax benefit		(1)	0
Total reclassifications, net of tax		7	(2)
Cash flow hedging activities
Significant amounts reclassified out of each component of AOCI
Total reclassifications, net of tax		(14)	(31)
Reclassification out of accumulated other comprehensive loss | Cash flow hedging activities
Significant amounts reclassified out of each component of AOCI
Tax expense (benefit)		4	5
Total reclassifications, net of tax		(14)	(31)
Reclassification out of accumulated other comprehensive loss | Net investment hedges | Net investment hedging activities
Significant amounts reclassified out of each component of AOCI
Gains on derivative amount excluded from effectiveness testing	[2]	(27)	(28)
Tax expense (benefit)		6	6
Total reclassifications, net of tax		(21)	(22)
Foreign currency forward exchange contracts | Reclassification out of accumulated other comprehensive loss | Cash flow hedging activities
Significant amounts reclassified out of each component of AOCI
Losses (gains) on foreign currency forward exchange contracts	[3]	(12)	(30)
Treasury rate lock agreements | Reclassification out of accumulated other comprehensive loss | Cash flow hedging activities
Significant amounts reclassified out of each component of AOCI
Gains on derivative amount excluded from effectiveness testing	[2]	$ (6)	$ (6)

[1] (b) Amounts are included in the computation of net periodic benefit cost (see Note 9).

[2] (a) Amounts are included in interest expense, net (see Note 8)

[3] (c) Amounts are included in cost of products sold (see Note 8).