Schedule of Stockholders Equity (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Common Stock, Shares, Outstanding beginning of period		89,410,612			89,410,612
Issuance of shares pursuant to equity-based plans	$ 1	$ 0	$ 1	$ 0
Stockholders' Equity	2,709	2,707	2,675	2,613	$ 2,707	$ 2,613
Dividends declared	(41)	(40)	(39)	(36)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 64	60	32	96	$ 124	128
Common Stock, Shares, Outstanding end of period	89,242,672				89,242,672
Stockholders' Equity	$ 2,738	$ 2,709	$ 2,661	$ 2,675	$ 2,738	2,661
Common Stock, Dividends, Per Share, Declared	$ 0.4525	$ 0.4300	$ 0.4300	$ 0.4075
Shares Granted, Value, Share-based Payment Arrangement, after Forfeiture	$ 4	$ 0	$ 4	$ 2
Repurchase of common stock		$ (18)	$ (12)		$ (18)	$ (12)
Stock Repurchased During Period, Shares		(350,000)	(250,000)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	$ 1
Common Stock [Member]
Common Stock, Shares, Outstanding beginning of period	89,223,903	89,410,612	89,576,748	89,537,331	89,410,612	89,537,331
Issuances of shares pursuant to equity-based plans	18,769	163,291	74,974	39,417
Common Stock, Shares, Outstanding end of period	89,242,672	89,223,903	89,401,722	89,576,748	89,242,672	89,401,722
Common Stock Including Additional Paid in Capital [Member]
Issuance of shares pursuant to equity-based plans	$ 1	$ 0	$ 1	$ 0
Stockholders' Equity	1,236	1,241	1,233	1,231	$ 1,241	$ 1,231
Dividends declared	0	0	0	0
Stockholders' Equity	1,241	1,236	1,235	1,233	1,241	1,235
Shares Granted, Value, Share-based Payment Arrangement, after Forfeiture	4	0	4	2
Repurchase of common stock		(5)	(3)
AOCI Attributable to Parent [Member]
Stockholders' Equity	(10)	(10)	(11)	(11)	(10)	(11)
Dividends declared	0	0	0	0
Stockholders' Equity	(9)	(10)	(11)	(11)	(9)	(11)
Repurchase of common stock		0	0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	1
Retained Earnings [Member]
Stockholders' Equity	1,483	1,476	1,453	1,393	1,476	1,393
Dividends declared	41	40	39	36
Stockholders' Equity	$ 1,506	1,483	1,437	$ 1,453	$ 1,506	$ 1,437
Repurchase of common stock		$ (13)	$ (9)