Consolidated Statements Of Changes In Stockholders' Equity Statement - USD ($) $ in Millions	Total	Common Stock	Common Stock, Held in Treasury	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interests
Beginning balances at Dec. 31, 2021	$ 8,528	$ 1	$ (399)	$ 581	$ 7,808	$ (36)	$ 573
Beginning balance, shares issued at Dec. 31, 2021		134,651,380
Beginning balance, Treasury shares at Dec. 31, 2021			6,735,639
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	764				756		8
Other comprehensive loss	(11)					(9)	(2)
Shares issued—stock- based compensation (in shares)			(403,743)
Shares issued—stock-based compensation	10		$ 27	(17)
Stock-based compensation	8			8
Dividends declared	(39)				(39)
Distributions to noncontrolling interests	(10)						(10)
Noncontrolling interests	2						2
Ending balances at Mar. 31, 2022	9,252	$ 1	$ (372)	572	8,525	(45)	571
Ending balance, shares issued at Mar. 31, 2022		134,651,380
Ending balance, Treasury shares at Mar. 31, 2022			6,331,896
Beginning balances at Dec. 31, 2022	10,465	$ 1	$ (467)	601	9,885	(89)	534
Beginning balance, shares issued at Dec. 31, 2022		134,651,380
Beginning balance, Treasury shares at Dec. 31, 2022			7,278,651
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	407				394		13
Other comprehensive loss	22					22	0
Common stock repurchased (in shares)			201,742
Common stock repurchased	(22)		$ (22)
Shares issued—stock- based compensation (in shares)			(469,404)
Shares issued—stock-based compensation	4		$ 24	(20)
Stock-based compensation	9			9
Dividends declared	(47)				(47)
Distributions to noncontrolling interests	(10)						(10)
Ending balances at Mar. 31, 2023	$ 10,828	$ 1	$ (465)	$ 590	$ 10,232	$ (67)	$ 537
Ending balance, shares issued at Mar. 31, 2023		134,651,380
Ending balance, Treasury shares at Mar. 31, 2023			7,010,989