Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Millions	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]
Beginning Balance at Dec. 31, 2020	$ 2,361		$ 873	$ 1,488
Beginning Balance, Shares at Dec. 31, 2020		55,200,000
Net issuance under stock-based plans	(5)		(5)
Net issuance under stock-based plans, Shares		100,000
Stock-based compensation	10		10
Cash dividend	(11)			(11)
Comprehensive income (net of tax):
Net income	122			122
Other comprehensive income (loss)	(8)				$ (8)
Ending Balance at Mar. 31, 2021	2,469		878	1,599	(8)
Ending Balance, Shares at Mar. 31, 2021		55,300,000
Beginning Balance at Dec. 31, 2020	2,361		873	1,488
Beginning Balance, Shares at Dec. 31, 2020		55,200,000
Comprehensive income (net of tax):
Net income	269
Ending Balance at Jun. 30, 2021	2,614		884	1,733	(3)
Ending Balance, Shares at Jun. 30, 2021		55,400,000
Beginning Balance at Mar. 31, 2021	2,469		878	1,599	(8)
Beginning Balance, Shares at Mar. 31, 2021		55,300,000
Net issuance under stock-based plans	(3)		(3)
Net issuance under stock-based plans, Shares		100,000
Stock-based compensation	9		9
Cash dividend	(12)			(12)
Comprehensive income (net of tax):
Net income	146			146
Other comprehensive income (loss)	5				5
Ending Balance at Jun. 30, 2021	2,614		884	1,733	(3)
Ending Balance, Shares at Jun. 30, 2021		55,400,000
Beginning Balance at Dec. 31, 2021	2,887		907	1,991	(11)
Beginning Balance, Shares at Dec. 31, 2021		55,500,000
Net issuance under stock-based plans	(6)		(6)
Net issuance under stock-based plans, Shares		100,000
Stock-based compensation	8		8
Cash dividend	(12)			(12)
Comprehensive income (net of tax):
Net income	143			143
Other comprehensive income (loss)	7				7
Ending Balance at Mar. 31, 2022	3,027		909	2,122	(4)
Ending Balance, Shares at Mar. 31, 2022		55,600,000
Beginning Balance at Dec. 31, 2021	2,887		907	1,991	(11)
Beginning Balance, Shares at Dec. 31, 2021		55,500,000
Comprehensive income (net of tax):
Net income	273
Ending Balance at Jun. 30, 2022	3,129		923	2,240	(34)
Ending Balance, Shares at Jun. 30, 2022		55,700,000
Beginning Balance at Mar. 31, 2022	3,027		909	2,122	(4)
Beginning Balance, Shares at Mar. 31, 2022		55,600,000
Net issuance under stock-based plans	1		1
Net issuance under stock-based plans, Shares		100,000
Stock-based compensation	13		13
Cash dividend	(12)			(12)
Comprehensive income (net of tax):
Net income	130			130
Other comprehensive income (loss)	(30)				(30)
Ending Balance at Jun. 30, 2022	$ 3,129		$ 923	$ 2,240	$ (34)
Ending Balance, Shares at Jun. 30, 2022		55,700,000