Consolidated Statements of Equity - USD ($) $ in Millions	Total	Common Stock Shares	Common Stock Amount	Accumulated Other Comprehensive Loss	Retained Earnings
Balance, shares at Dec. 31, 2020		89,537,331
Balance at Dec. 31, 2020	$ 2,613		$ 1,231	$ (11)	$ 1,393
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued pursuant to equity-based plans		123,281
Proceeds from issuance of shares pursuant to equity-based plans	0		0
Stock-based compensation	13		13	0	0
Stock Repurchased During Period, Value	$ 12		(3)		(9)
Stock Repurchased During Period, Shares		(250,000)
Common Stock, Dividends, Per Share, Declared	$ 1.6975
Dividends declared	$ (152)		0	0	(152)
Net income	244		0	0	244
Other comprehensive income (loss)	1		0	1	0
Balance, shares at Dec. 31, 2021		89,410,612
Balance at Dec. 31, 2021	2,707		1,241	(10)	1,476
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Proceeds from Issuance or Sale of Equity	0
Shares issued pursuant to equity-based plans		222,741
Proceeds from issuance of shares pursuant to equity-based plans	2		2
Stock-based compensation	11		11	0	0
Stock Repurchased During Period, Value	$ 18		(5)		(13)
Stock Repurchased During Period, Shares		(350,000)
Common Stock, Dividends, Per Share, Declared	$ 1.7875
Dividends declared	$ (162)		0	0	(162)
Net income	233		0	0	233
Other comprehensive income (loss)	6		0	6	0
Balance, shares at Dec. 31, 2022		89,283,353
Balance at Dec. 31, 2022	2,779		1,249	(4)	1,534
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Proceeds from Issuance or Sale of Equity	0
Shares issued pursuant to equity-based plans		261,256
Proceeds from issuance of shares pursuant to equity-based plans	3		3
Stock-based compensation	$ 13		13	0	0
Common Stock, Dividends, Per Share, Declared	$ 1.8775
Dividends declared	$ (188)		0	0	(188)
Net income	228		0	0	228
Other comprehensive income (loss)	(1)		0	(1)	0
Balance, shares at Dec. 31, 2023		101,159,609
Balance at Dec. 31, 2023	3,319		1,750	(5)	1,574
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Proceeds from Issuance or Sale of Equity	$ 485		$ 485	$ 0	$ 0
Stock Issued During Period, Shares, New Issues		11,615,000