Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Millions	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Capital In Excess of Par Value	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Noncontrolling Interests
Beginning balance (in shares) at Dec. 31, 2018			198,595
Beginning balance at Dec. 31, 2018	$ 10,161		$ 33	$ 2,535	$ 15,072		$ (159)	$ (7,320)	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,707				2,707
Other comprehensive income (loss)	315				0		315
Common stock repurchases	(1,070)			150				(1,220)
Dividends and dividend equivalents	(296)				(296)
Stock-based compensation	163			163
Restricted stock unit vesting (in shares)			32
Restricted stock unit vesting	0			(48)				48
Stock option exercises (in shares)			3
Stock option exercises	57			20				37
Ending balance (in shares) at Dec. 31, 2019			198,630
Ending balance at Dec. 31, 2019	12,037	$ (2)	$ 33	2,820	17,483	$ (2)	156	(8,455)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,367				3,367
Other comprehensive income (loss)	235				0		235
Common stock repurchases	(1,820)			(263)				(1,557)
Dividends and dividend equivalents	(331)				(331)
Stock-based compensation	181			181
Restricted stock unit vesting (in shares)			19
Restricted stock unit vesting	0			(59)				59
Stock option exercises (in shares)			0
Stock option exercises	61			26				35
Ending balance (in shares) at Dec. 31, 2020			198,649
Ending balance at Dec. 31, 2020	13,728		$ 33	2,705	20,517		391	(9,918)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,934				2,933				1
Acquisition	22								22
Other comprehensive income (loss)	(349)						(349)
Common stock repurchases	(79)			262				(341)
Dividends and dividend equivalents	(364)				(364)
Stock-based compensation	180			180
Restricted stock unit vesting	0			(81)				81
Stock option exercises	31			16				15
Ending balance (in shares) at Dec. 31, 2021			198,649
Ending balance at Dec. 31, 2021	$ 16,103		$ 33	$ 3,082	$ 23,086		$ 42	$ (10,163)	$ 23