CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Millions	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Treasury Stock [Member]	Noncontrolling Interests [Member]	Total
Beginning balance at Dec. 31, 2021	$ 6	$ 5,169	$ 12,004	$ 17	$ (10,072)	$ 2	$ 7,126
Beginning balance, common shares at Dec. 31, 2021	630,282,000
Beginning balance, treasury shares at Dec. 31, 2021					(214,159,000)
Equity roll forward
Consolidated net income			1,100			1	1,101
Other comprehensive income (loss), net of tax				(34)			(34)
Cash dividends declared			(544)				(544)
Equity-based compensation transactions, net		18	3		$ 47		68
Equity-based compensation transactions, net, shares					1,003,000
Common stock repurchase program		70			$ (594)		(524)
Common stock repurchase program, shares					(3,852,000)
Other, net						(1)	(1)
Other, net, shares					2,000
Ending balance at Jun. 30, 2022	$ 6	5,257	12,563	(17)	$ (10,619)	2	$ 7,192
Ending balance, common shares at Jun. 30, 2022	630,282,000						413,300,000
Ending balance, treasury shares at Jun. 30, 2022					(217,006,000)
Beginning balance at Mar. 31, 2022	$ 6	5,178	12,247	15	$ (10,302)	2	$ 7,146
Beginning balance, common shares at Mar. 31, 2022	630,282,000
Beginning balance, treasury shares at Mar. 31, 2022					(215,102,000)
Equity roll forward
Consolidated net income			587				587
Other comprehensive income (loss), net of tax				(32)			(32)
Cash dividends declared			(269)				(269)
Equity-based compensation transactions, net		29	(2)		$ 7		34
Equity-based compensation transactions, net, shares					141,000
Common stock repurchase program		50			$ (324)		(274)
Common stock repurchase program, shares					(2,046,000)
Other, net, shares					1,000
Ending balance at Jun. 30, 2022	$ 6	5,257	12,563	(17)	$ (10,619)	2	$ 7,192
Ending balance, common shares at Jun. 30, 2022	630,282,000						413,300,000
Ending balance, treasury shares at Jun. 30, 2022					(217,006,000)
Beginning balance at Dec. 31, 2022	$ 6	5,314	13,167	(69)	$ (11,569)	15	$ 6,864
Beginning balance, common shares at Dec. 31, 2022	630,282,000
Beginning balance, treasury shares at Dec. 31, 2022					(222,396,000)		(222,396,166)
Ending balance at Mar. 31, 2023	$ 6	5,244	13,414	(57)	$ (11,813)	14	$ 6,808
Ending balance, common shares at Mar. 31, 2023	630,282,000
Ending balance, treasury shares at Mar. 31, 2023					(223,491,000)
Beginning balance at Dec. 31, 2022	$ 6	5,314	13,167	(69)	$ (11,569)	15	$ 6,864
Beginning balance, common shares at Dec. 31, 2022	630,282,000
Beginning balance, treasury shares at Dec. 31, 2022					(222,396,000)		(222,396,166)
Equity roll forward
Consolidated net income			1,148			(3)	$ 1,145
Other comprehensive income (loss), net of tax				37			37
Cash dividends declared			(572)				(572)
Equity-based compensation transactions, net		27	1		$ 47		75
Equity-based compensation transactions, net, shares					923,000
Common stock repurchase program					$ (628)		(628)
Common stock repurchase program, shares					(3,936,000)
Other, net						7	7
Other, net, shares					2,000
Ending balance at Jun. 30, 2023	$ 6	5,341	13,744	(32)	$ (12,150)	19	$ 6,928
Ending balance, common shares at Jun. 30, 2023	630,282,000						404,900,000
Ending balance, treasury shares at Jun. 30, 2023					(225,407,000)		(225,407,474)
Beginning balance at Mar. 31, 2023	$ 6	5,244	13,414	(57)	$ (11,813)	14	$ 6,808
Beginning balance, common shares at Mar. 31, 2023	630,282,000
Beginning balance, treasury shares at Mar. 31, 2023					(223,491,000)
Equity roll forward
Consolidated net income			615			(2)	613
Other comprehensive income (loss), net of tax				25			25
Cash dividends declared			(283)				(283)
Equity-based compensation transactions, net		27	(2)		$ 8		33
Equity-based compensation transactions, net, shares					157,000
Common stock repurchase program		70			$ (345)		(275)
Common stock repurchase program, shares					(2,074,000)
Other, net						7	7
Other, net, shares					1,000
Ending balance at Jun. 30, 2023	$ 6	$ 5,341	$ 13,744	$ (32)	$ (12,150)	$ 19	$ 6,928
Ending balance, common shares at Jun. 30, 2023	630,282,000						404,900,000
Ending balance, treasury shares at Jun. 30, 2023					(225,407,000)		(225,407,474)