Stockholders' Equity - Changes in Common Stock (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023	Dec. 31, 2022
Class of Stock [Line Items]
Total stockholders’ equity	$ 786	$ 835	$ 1,230	$ 1,184	$ 786	$ 1,230	$ 765	$ 1,161
Adjustments to Additional Paid in Capital Settlement of Liability Awards and Other		65		25
Redemption Premium	1	(43)	1	(14)
Treasury Stock, Value, Acquired, Cost Method	(151)	(25)	(5)	(28)
Stock Repurchased During Period, Value			(15)	(8)
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition	20	14	13	15
Net income	82	82	5	27	164	32
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(1)	(23)	47	6
Common Stock [Member]
Class of Stock [Line Items]
Total stockholders’ equity	1	1	1	1	1	1	1	1
Additional Paid-in Capital [Member]
Class of Stock [Line Items]
Total stockholders’ equity	1,175	1,154	1,387	1,388	1,175	1,387	1,118	1,370
Adjustments to Additional Paid in Capital Settlement of Liability Awards and Other		65		25
Redemption Premium	1	(43)	1	(14)
Stock Repurchased During Period, Value			15	(8)
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition	20	14	13	15
Retained Earnings [Member]
Class of Stock [Line Items]
Total stockholders’ equity	844	762	538	539	844	538	680	517
Net income	82	82	(1)	22
Treasury Stock, Common
Class of Stock [Line Items]
Total stockholders’ equity	(927)	(776)	(613)	(608)	(927)	(613)	(751)	(580)
Treasury Stock, Value, Acquired, Cost Method	(151)	(25)	(5)	(28)
AOCI Attributable to Parent [Member]
Class of Stock [Line Items]
Total stockholders’ equity	(307)	(306)	(265)	(312)	$ (307)	(265)	$ (283)	(318)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	$ (1)	$ (23)	47	6
Noncontrolling Interest [Member]
Class of Stock [Line Items]
Total stockholders’ equity			182	176		$ 182		$ 171
Net income			$ 6	$ 5