Long-term debt and interest expense, net (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022	Jun. 14, 2022	Jun. 25, 2020
Long-term debt and interest expense, net
Obligations under finance leases and other	$ 5	$ 5
Debt discount and issuance costs	(94)	(98)
Total long-term debt	2,214	2,194
Current portion of long-term debt	(21)	(22)
Non-current portion of long-term debt	2,193	2,172
Revolving Credit Facility
Long-term debt and interest expense, net
Long-term debt	145	125
Term Loan B
Long-term debt and interest expense, net
Long-term debt	1,489	1,493
7.75% 2027 Notes
Long-term debt and interest expense, net
Long-term debt	$ 500	$ 500
Interest rate (as a percent)	7.75%	7.75%	7.75%
7.54% 2027 Notes
Long-term debt and interest expense, net
Long-term debt	$ 150	$ 150
Interest rate (as a percent)	7.54%	7.54%	7.54%	7.54%
Deferred financing
Long-term debt and interest expense, net
Long-term debt	$ 19	$ 19