Consolidated Statements Of Equity - USD ($) shares in Millions, $ 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, 2022	$ 11,296	$ 65	$ 6,921	$ 4,297	$ (116)	$ 0	$ 129
Balance, shares at Dec. 31, 2022		653
Net earnings	1,003			995			8
Other comprehensive earnings (loss), net of tax	1				1
Restricted stock grants, net of cancellations, value	0	$ 0	0
Restricted stock grants, net of cancellations, shares		2
Common stock repurchased	(629)		(4)			(625)
Common stock retired		$ (1)	(596)			597
Common stock retired, shares		(11)
Common stock dividends	(580)			(580)
Share-based compensation	23		23
Share-based compensation, shares		1
Distributions to noncontrolling interests	(11)						(11)
Balance at Mar. 31, 2023	11,103	$ 64	6,344	4,712	(115)	(28)	126
Balance, shares at Mar. 31, 2023		645
Balance at Dec. 31, 2023	12,217	$ 64	5,939	6,195	(124)	(13)	156
Balance, shares at Dec. 31, 2023		636
Net earnings	609			596			13
Other comprehensive earnings (loss), net of tax	1				1
Restricted stock grants, net of cancellations, shares		2
Common stock repurchased	(233)		(1)			(232)
Common stock retired		$ (1)	(244)			245
Common stock retired, shares		(6)
Common stock dividends	(282)			(282)
Share-based compensation	24		24
Share-based compensation, shares		1
Contributions from noncontrolling interests	12						12
Distributions to noncontrolling interests	(7)						(7)
Balance at Mar. 31, 2024	$ 12,341	$ 63	$ 5,718	$ 6,509	$ (123)	$ 0	$ 174
Balance, shares at Mar. 31, 2024		633