CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (unaudited) - USD ($) $ in Millions	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Treasury Stock [Member]	Noncontrolling interests [Member]
Balance at Dec. 31, 2022	$ 2,769		$ 1,288	$ 3,033	$ 27	$ (1,607)	$ 28
Balance, Shares at Dec. 31, 2022		47,282,823
Balance, Shares at Dec. 31, 2022						(10,472,637)
Purchase of treasury stock	(318)					$ (318)
Purchase of treasury stock, shares						(1,877,783)
Stock-based compensation expense	27		27
Vesting of restricted stock units and exercise of stock options	(16)		(52)			$ 36
Vesting of restricted stock units and exercise of stock options, shares						448,997
Dividends declared on common stock	(98)			(98)
Contribution from noncontrolling interests	36						36
Net income (loss)	163			207			(44)
Balance at Jun. 30, 2023	2,563		1,263	3,142	27	$ (1,889)	20
Balance, Shares at Jun. 30, 2023		47,282,823
Balance, Shares at Jun. 30, 2023						(11,901,423)
Balance at Mar. 31, 2023	2,653		1,275	3,094	27	$ (1,772)	29
Balance, Shares at Mar. 31, 2023		47,282,823
Balance, Shares at Mar. 31, 2023						(11,299,262)
Purchase of treasury stock	(142)					$ (142)
Purchase of treasury stock, shares						(857,843)
Stock-based compensation expense	13		13
Vesting of restricted stock units and exercise of stock options			(25)			$ 25
Vesting of restricted stock units and exercise of stock options, shares						255,682
Dividends declared on common stock	(48)			(48)
Contribution from noncontrolling interests	12						12
Net income (loss)	75			96			(21)
Balance at Jun. 30, 2023	2,563		1,263	3,142	27	$ (1,889)	20
Balance, Shares at Jun. 30, 2023		47,282,823
Balance, Shares at Jun. 30, 2023						(11,901,423)
Balance at Dec. 31, 2023	$ 2,313		1,283	3,188	1	$ (2,173)	14
Balance, Shares at Dec. 31, 2023	47,282,823	47,282,823
Balance, Shares at Dec. 31, 2023	(13,681,897)					(13,681,897)
Purchase of treasury stock	$ (248)	$ (246)				$ (248)
Purchase of treasury stock, shares		(1,514,478)				(1,514,478)
Stock-based compensation expense	38		38
Vesting of restricted stock units and exercise of stock options	(3)		(40)			$ 37
Vesting of restricted stock units and exercise of stock options, shares						399,057
Dividends declared on common stock	(112)			(112)
Contribution from noncontrolling interests	19						19
Net income (loss)	273			293			(20)
Balance at Jun. 30, 2024	$ 2,280		1,281	3,369	1	$ (2,384)	13
Balance, Shares at Jun. 30, 2024	47,282,823	47,282,823
Balance, Shares at Jun. 30, 2024	(14,797,318)					(14,797,318)
Balance at Mar. 31, 2024	$ 2,346		1,290	3,306	1	$ (2,276)	25
Balance, Shares at Mar. 31, 2024		47,282,823
Balance, Shares at Mar. 31, 2024						(14,244,922)
Purchase of treasury stock	(135)					$ (135)
Purchase of treasury stock, shares						(847,904)
Stock-based compensation expense	20		20
Vesting of restricted stock units and exercise of stock options	(2)		(29)			$ 27
Vesting of restricted stock units and exercise of stock options, shares						295,508
Dividends declared on common stock	(55)			(55)
Net income (loss)	106			118			(12)
Balance at Jun. 30, 2024	$ 2,280		$ 1,281	$ 3,369	$ 1	$ (2,384)	$ 13
Balance, Shares at Jun. 30, 2024	47,282,823	47,282,823
Balance, Shares at Jun. 30, 2024	(14,797,318)					(14,797,318)