Consolidated Statements of Changes in Equity - USD ($) shares in Millions, $ in Millions	Total	Cumulative Effect, Period of Adoption, Adjustment	Cumulative Effect, Period of Adoption, Adjusted Balance [Member]	Common Stock [Member]	Additional Paid In Capital [Member]	Retained Earnings [Member]	Retained Earnings [Member] Cumulative Effect, Period of Adoption, Adjustment	Retained Earnings [Member] Cumulative Effect, Period of Adoption, Adjusted Balance [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interest [Member]
Balance, beginning (in shares) at Dec. 31, 2019				252.9
Total Shareholders' Balance, beginning at Dec. 31, 2019				$ 3	$ 9,448	$ 22,538			$ (296)
Noncontrolling Interest, Beginning Balance at Dec. 31, 2019										$ 0
Total equity, Beginning Balance at Dec. 31, 2019	$ 31,693
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shareholders’ net income	4,572					4,572
Net loss attributable to noncontrolling interests	0
Net Income	4,572
Other comprehensive income (loss)									446
Other comprehensive loss attributable to noncontrolling interests	0
Other Comprehensive Income (Loss), Net of Tax	446
Repurchase and retirement of common stock, shares				(9.4)
Repurchase and retirement of common stock	(2,700)				(353)	(2,347)
Dividends and dividend equivalents	(961)					(961)
Issuance of common stock under employee stock plans, net of related tax benefits (in shares)				1.9
Issuance of common stock under employee stock plans, net of related tax benefits	330				330
Convertible debenture repurchases and conversions	(181)				(181)
Balance, ending (in shares) at Dec. 31, 2020				245.4
Total Shareholders' Balance, ending at Dec. 31, 2020				$ 3	9,244	23,802			150
Total equity, Ending Balance at Dec. 31, 2020	33,199
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shareholders’ net income	6,104					6,104
Net loss attributable to noncontrolling interests	(9)									(9)
Net Income	6,095
Other comprehensive income (loss)									(328)
Other comprehensive loss attributable to noncontrolling interests	(2)									(2)
Other Comprehensive Income (Loss), Net of Tax	(330)
Noncontrolling Interest, Period Increase (Decrease)	$ 79									79
Repurchase and retirement of common stock, shares	(5.1)			(5.1)
Repurchase and retirement of common stock	$ (1,900)			$ (1)	(192)	(1,707)
Dividends and dividend equivalents	(1,111)					(1,111)
Issuance of common stock under employee stock plans, net of related tax benefits (in shares)				1.5
Issuance of common stock under employee stock plans, net of related tax benefits	355				355
Convertible debenture repurchases and conversions	(259)				(259)
Balance, ending (in shares) at Dec. 31, 2021				241.8
Total Shareholders' Balance, ending at Dec. 31, 2021	36,060			$ 2	9,148	27,088		$ 27,065	(178)
Total Shareholders' Balance, ending (Accounting Standards Update 2020-06) at Dec. 31, 2021							$ (23)
Noncontrolling Interest, Ending Balance at Dec. 31, 2021	68									68
Total equity, Ending Balance at Dec. 31, 2021	36,128		$ 36,105
Total equity, Ending Balance (Accounting Standards Update 2020-06) at Dec. 31, 2021		$ (23)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shareholders’ net income	6,025					6,025
Net loss attributable to noncontrolling interests	(6)									(6)
Net Income	6,019
Other comprehensive income (loss)									(2,325)
Other comprehensive loss attributable to noncontrolling interests	(11)									(11)
Other Comprehensive Income (Loss), Net of Tax	(2,336)
Noncontrolling Interest, Period Increase (Decrease)	$ 36									36
Repurchase and retirement of common stock, shares	(4.8)			(4.8)
Repurchase and retirement of common stock	$ (2,316)				(184)	(2,132)
Dividends and dividend equivalents	(1,234)					(1,234)
Issuance of common stock under employee stock plans, net of related tax benefits (in shares)				1.0
Issuance of common stock under employee stock plans, net of related tax benefits	352				352
Convertible debenture repurchases and conversions	(232)				(232)
Balance, ending (in shares) at Dec. 31, 2022				238.0
Total Shareholders' Balance, ending at Dec. 31, 2022	36,307			$ 2	$ 9,084	$ 29,724			$ (2,503)
Noncontrolling Interest, Ending Balance at Dec. 31, 2022	87									$ 87
Total equity, Ending Balance at Dec. 31, 2022	$ 36,394