Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Net Income (Loss)	$ 2,551	$ 2,920
Defined benefit plans
Reclassification adjustment for amortization of prior service cost (credit) included in net income (loss)	(9)	(9)
Net change	(9)	(9)
Reclassification adjustment for amortization of net actuarial losses (gains) included in net income (loss)	16	23
Net change	16	23
Income taxes on defined benefit plans	(2)	(3)
Defined benefit plans, net of tax	5	11
Unrealized holding gain (loss) on securities	(4)	6
Reclassification adjustment for (gain) loss included in net income (loss)	0	(1)
Income taxes on unrealized holding gain (loss) on securities	1	(1)
Unrealized holding gain (loss) on securities, net of tax	(3)	4
Foreign currency translation adjustments, net of tax	(230)	(42)
Unrealized gain (loss) on hedging activities	(20)	0
Income taxes on unrealized gain (loss) on hedging activities	4	0
Unrealized gain (loss) on hedging activities, net of tax	(16)	0
Other Comprehensive Income (Loss), Net of Tax	(244)	(27)
Comprehensive Income (Loss)	$ 2,307	$ 2,893