Segment Information - Adjusted OIBDA (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Information
Adjusted OIBDA	$ 108	$ 22	$ 133	$ (7)
Stock-based compensation	(23)	(33)	(45)	(63)
Depreciation and amortization	(25)	(38)	(50)	(76)
Operating income (loss)	60	(49)	38	(146)
Interest expense	(16)	(16)	(33)	(27)
Realized and unrealized gains (losses) on financial instruments, net	71	172	59	107
Other, net	(2)	1	(3)	(1)
Earnings (loss) before income taxes	$ 113	$ 108	$ 61	$ (67)