Consolidated Statements of Stockholders' Equity - USD ($) $ in Millions	Total	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Treasury Stock, Common	Noncontrolling Interest [Member]
Beginning balance at Dec. 31, 2022	$ 1,305	$ 0	$ 0	$ 274	$ (253)	$ 1,245	$ (15)	$ 53
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total comprehensive income (loss)	(3)
Stock-based compensation	8			8
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	(5)					(8)	3	0
Ending balance at Jun. 30, 2023	1,303	0	0	283	(209)	1,191	(15)	53
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury Stock, Value, Acquired, Cost Method	(3)						(3)
Total comprehensive income (loss)	(2)				44	(47)		0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	44
Noncontrolling Interest, Change in Redemption Value	0
Beginning balance at Mar. 31, 2023	1,307	0	0	278	(217)	1,206	(14)	53
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total comprehensive income (loss)	(6)				8	(13)		0
Stock-based compensation	5			5
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	0	0	0		0	(2)	2
Ending balance at Jun. 30, 2023	1,303	0	0	283	(209)	1,191	(15)	53
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total comprehensive income (loss)	(5)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	8
Noncontrolling Interest, Change in Redemption Value	0					0
Noncontrolling Interest in Net Income (Loss) Other Noncontrolling Interests, Nonredeemable								0
Beginning balance at Dec. 31, 2023	1,415	0	0	292	(160)	1,246	(17)	53
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total comprehensive income (loss)	4
Stock-based compensation	2			2
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	(1)					(1)	0	0
Ending balance at Jun. 30, 2024	1,419	0	0	295	(175)	1,265	(17)	51
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total comprehensive income (loss)	5				(15)	19		0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(15)
Noncontrolling Interest, Change in Redemption Value	0					0
Noncontrolling Interest in Net Income (Loss) Other Noncontrolling Interests, Nonredeemable								0
Payments to Acquire Interest in Subsidiaries and Affiliates	(1)			1				(2)
Beginning balance at Mar. 31, 2024	1,418	0	0	291	(175)	1,266	(17)	53
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total comprehensive income (loss)	0
Stock-based compensation	2			2
Ending balance at Jun. 30, 2024	1,419	$ 0	$ 0	295	(175)	1,265	$ (17)	51
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total comprehensive income (loss)	0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	0				$ 0	(1)		0
Noncontrolling Interest, Change in Redemption Value	0					$ 0
Noncontrolling Interest in Net Income (Loss) Other Noncontrolling Interests, Nonredeemable								0
Payments to Acquire Interest in Subsidiaries and Affiliates	$ (1)			$ 1				$ (2)