Statement of Changes in Stockholders' Equity - USD ($) $ in Millions	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Common Stock Held in Treasury	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interest
Beginning balance at Dec. 31, 2019	$ 3,030	$ 6	$ 1,304	$ 22,403	$ (18,982)	$ (1,705)	$ 4
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,109			2,109
Common stock issued for stock-based compensation	46		17		29
Stock-based compensation expense	42		42
Repurchases of common stock	(706)				(706)
Dividends declared	(1,398)			(1,398)
Other comprehensive income (loss)	63					63
Noncontrolling interest	(4)		(1)				(3)
Ending balance at Dec. 31, 2020	3,182	6	1,362	23,114	(19,659)	(1,642)	1
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,694			2,694
Common stock issued for stock-based compensation	40		17		23
Stock-based compensation expense	53		53
Repurchases of common stock	(1,000)				(1,000)
Dividends declared	(1,483)			(1,483)
Other comprehensive income (loss)	140					140
Ending balance at Dec. 31, 2021	3,626	6	1,432	24,325	(20,636)	(1,502)	1
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,034			3,034
Common stock issued for stock-based compensation	15		6		9
Stock-based compensation expense	63		63
Repurchases of common stock	(1,750)				(1,750)
Dividends declared	(1,560)			(1,560)
Other comprehensive income (loss)	(339)					(339)
Ending balance at Dec. 31, 2022	$ 3,089	$ 6	$ 1,501	$ 25,799	$ (22,377)	$ (1,841)	$ 1