Leases - Additional information (Details) - USD ($) $ in Millions	1 Months Ended	11 Months Ended	12 Months Ended
	Feb. 09, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Amortization of ROU assets	$ 1	$ 0	$ 9	$ 8
Interest on lease liability	0	0	1	2
Finance lease cost	1	0	10	10
Operating lease cost	3	33	17	26
Short-term lease cost	0	13	32	112
Total lease cost	4	46	59	148
Other information:
Operating cash outflows from finance lease	0	0	1	2
Operating cash outflows from operating leases	0	7	9	11
Investing cash outflows from operating leases	3	39	40	127
Financing cash outflows from finance lease	$ 1	$ 0	$ 9	$ 8
Weighted average remaining lease term - finance lease			1 year
Weighted average remaining lease term - operating leases		1 year 5 months 8 days	1 year 1 month 13 days
Weighted average discount rate - finance lease			7.50%
Weighted average discount rate - operating leases		3.80%	6.46%