Income Taxes - Deferred Tax Assets (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Deferred Tax Assets Roll Forward [Roll Forward]
Deferred tax asset, beginning of year	$ 291	$ 439
Recognized in net (income) loss	305	(56)
Acquisition from business combination	(212)	0
Recognized in equity	(147)	(90)
Other	(4)	(2)
Deferred tax asset, end of period	$ 233	$ 291