Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Millions	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings (Deficit) [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning balance at Dec. 31, 2020	$ 699		$ 2,051	$ (1,208)	$ (145)
Beginning balance, shares at Dec. 31, 2020		1
Net income (loss)	(10)			(10)
Stock-based compensation	2		2
Exercise of stock options	1		1
Shares withheld for taxes	(1)		(1)
Other comprehensive income	1				1
Ending balance at Mar. 31, 2021	692		2,053	(1,218)	(144)
Ending balance, shares at Mar. 31, 2021		1
Beginning balance at Dec. 31, 2020	699		2,051	(1,208)	(145)
Beginning balance, shares at Dec. 31, 2020		1
Net income (loss)	(12)
Other comprehensive income					3
Ending balance at Jun. 30, 2021	696		2,057	(1,220)	(142)
Ending balance, shares at Jun. 30, 2021		1
Beginning balance at Mar. 31, 2021	692		2,053	(1,218)	(144)
Beginning balance, shares at Mar. 31, 2021		1
Net income (loss)	(2)			(2)
Stock-based compensation	2		2
Exercise of stock options	2		2
Other comprehensive income	2				2
Ending balance at Jun. 30, 2021	696		2,057	(1,220)	(142)
Ending balance, shares at Jun. 30, 2021		1
Beginning balance at Dec. 31, 2021	712		2,061	(1,203)	(147)
Beginning balance, shares at Dec. 31, 2021		1
Net income (loss)	30			30
Stock-based compensation	2		2
Other comprehensive income	2				2
Ending balance at Mar. 31, 2022	746		2,063	(1,173)	(145)
Ending balance, shares at Mar. 31, 2022		1
Beginning balance at Dec. 31, 2021	712		2,061	(1,203)	(147)
Beginning balance, shares at Dec. 31, 2021		1
Net income (loss)	56
Other comprehensive income					3
Ending balance at Jun. 30, 2022	777		2,067	(1,147)	(144)
Ending balance, shares at Jun. 30, 2022		1
Beginning balance at Mar. 31, 2022	746		2,063	(1,173)	(145)
Beginning balance, shares at Mar. 31, 2022		1
Net income (loss)	26			26
Stock-based compensation	2		2
Exercise of stock options	2		2
Other comprehensive income	1				1
Ending balance at Jun. 30, 2022	$ 777		$ 2,067	$ (1,147)	$ (144)
Ending balance, shares at Jun. 30, 2022		1