Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) shares in Millions, $ in Millions	Total	Total Stockholders Equity	Common Stock	Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive (Loss) Income	Non-Redeemable Noncontrolling Interests in Subsidiaries
Balance at beginning of period (in shares) at Dec. 31, 2021			132.0
Balance at beginning of period at Dec. 31, 2021		$ 1,259	$ 1	$ 515	$ 1,031	$ (291)	$ 3
Comprehensive income:
Net income (loss)		(35)			(34)		(1)
Other comprehensive income (loss)	$ 18	18				18
Total comprehensive income (loss)		(17)			(34)	18
Total comprehensive income (loss), attributable to nonredeemable noncontrolling interest							(1)
Employee stock purchase and stock compensation plans (in shares)			3.0
Employee stock purchase and stock compensation plans		19		19
Series A convertible preferred stock dividends		(4)			(4)
Stock issued in acquisition of LibertyX (in shares)			1.0
Stock issued in acquisition of LibertyX		68		68
Balance at end of period (in shares) at Mar. 31, 2022			136.0
Balance at end of period at Mar. 31, 2022		1,325	$ 1	602	993	(273)	2
Balance at beginning of period (in shares) at Dec. 31, 2022	138.0		138.0
Balance at beginning of period at Dec. 31, 2022	$ 1,479	1,479	$ 1	704	1,075	(300)	(1)
Comprehensive income:
Net income (loss)		10			9		1
Other comprehensive income (loss)	$ (20)	(20)				(19)	(1)
Total comprehensive income (loss)		(10)			9	(19)
Total comprehensive income (loss), attributable to nonredeemable noncontrolling interest							0
Employee stock purchase and stock compensation plans (in shares)			2.0
Employee stock purchase and stock compensation plans		23		23
Series A convertible preferred stock dividends		(4)			(4)
Balance at end of period (in shares) at Mar. 31, 2023	140.1		140.0
Balance at end of period at Mar. 31, 2023	$ 1,488	$ 1,488	$ 1	$ 727	$ 1,080	$ (319)	$ (1)