Consolidated Statements Of Equity - USD ($) $ in Millions	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Other Comprehensive Earnings (Loss) [Member]	Treasury Stock [Member]	Noncontrolling Interests [Member]
Balance at Dec. 31, 2020	$ 3,019	$ 38	$ 2,766	$ 208	$ (127)		$ 134
Balance, shares at Dec. 31, 2020		382,000,000
Net earnings	216			213			3
Other comprehensive earnings (loss), net of tax	23				23
Restricted stock grants, net of cancellations, shares		4,000,000
Common stock repurchased	(38)					$ (38)
Common stock retired			38			(38)
Common stock retired, shares		(2,000,000)
Common stock dividends	(203)			(203)
Common stock issued	5,432	$ 29	5,403
Common stock issued, Shares		290,000,000
Share-based compensation	41		41
Share-based compensation, shares		1
Distributions to noncontrolling interests	(4)						(4)
Balance at Mar. 31, 2021	8,486	$ 67	8,172	218	(104)		133
Balance, shares at Mar. 31, 2021		675,000,000
Balance at Dec. 31, 2021	9,399	$ 66	7,636	1,692	(132)		137
Balance, shares at Dec. 31, 2021		663,000,000
Net earnings	995			989			6
Other comprehensive earnings (loss), net of tax	1				1
Restricted stock grants, net of cancellations, value	1		1
Restricted stock grants, net of cancellations, shares		2,000,000
Common stock repurchased	(305)					(305)
Common stock retired			(286)			286
Common stock retired, shares		(5,000,000)
Common stock dividends	(668)			(668)
Share-based compensation	20		20
Share-based compensation, shares		1,000,000
Distributions to noncontrolling interests	(8)						(8)
Balance at Mar. 31, 2022	$ 9,435	$ 66	$ 7,371	$ 2,013	$ (131)	$ (19)	$ 135
Balance, shares at Mar. 31, 2022		661,000,000