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]	NONREDEMABLE NONCONTROLLING INTEREST
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)	10
Stock-based compensation	12			12
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	(5)					(8)	3	0
Ending balance at Sep. 30, 2023	1,318	0	0	286	(262)	1,257	(17)	53
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury Stock, Value, Acquired, Cost Method	(5)						(5)
Total comprehensive income (loss)	11				(9)	19		0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(9)
Noncontrolling Interest, Change in Redemption Value	0
Proceeds from Noncontrolling Interests	0							0
Beginning 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)	13				(53)	66		0
Stock-based compensation	4			4
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	0	0	0		0	0	0
Ending balance at Sep. 30, 2023	1,318	0	0	286	(262)	1,257	(17)	53
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury Stock, Value, Acquired, Cost Method	(2)						(2)
Total comprehensive income (loss)	14
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(53)
Noncontrolling Interest, Change in Redemption Value	0					0
Noncontrolling Interest in Net Income (Loss) Other Noncontrolling Interests, Nonredeemable								0
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value	2
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)	66
Stock-based compensation	6			6
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	(1)	0	0	0	0	(1)	0	0
Changes to noncontrolling interest	2					(3)
Ending balance at Sep. 30, 2024	1,670	0	0	328	(81)	1,235	(17)	205
Increase (Decrease) in Stockholders' Equity [Roll Forward]
ComprehensiveIncomeNetOfTaxLess NCI	71
Treasury Stock, Value, Acquired, Cost Method	0
Total comprehensive income (loss)	70				79	(8)		0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	79
Noncontrolling Interest, Change in Redemption Value	(3)			1
Stock Issued During Period, Value, Acquisitions	29		0	29
Business Combination, Acquisition of Less than 100 Percent, Nonredeemable Noncontrolling Interest, Fair Value	148
Beginning 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)	62
Stock-based compensation	4			4
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	0	0	0	0	0	0	0	0
Changes to noncontrolling interest	4					(2)		6
Ending balance at Sep. 30, 2024	1,670	$ 0	0	328	(81)	1,235	$ (17)	205
Increase (Decrease) in Stockholders' Equity [Roll Forward]
ComprehensiveIncomeNetOfTaxLess NCI	67
Total comprehensive income (loss)	65
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	94				$ 94	$ (28)		0
Noncontrolling Interest, Change in Redemption Value	(2)
Noncontrolling Interest in Net Income (Loss) Other Noncontrolling Interests, Nonredeemable								$ 4
Stock Issued During Period, Value, Acquisitions	29		$ 0	$ 29
Business Combination, Acquisition of Less than 100 Percent, Nonredeemable Noncontrolling Interest, Fair Value	148
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value	$ 179								$ 148