Revenue Recognition - Receivables and Contract Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2022	Jan. 01, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Accounts receivable – third parties, net	$ 15		$ 16
Contract assets – related parties	214		218
Deferred revenue – third parties	4		2
Third Parties
Disaggregation of Revenue [Line Items]
Accounts receivable – third parties, net	10	$ 13
Deferred revenue – third parties	4	2	2
Related Parties
Disaggregation of Revenue [Line Items]
Accounts receivable – third parties, net	37	35
Contract assets – related parties	214	218
Deferred revenue – third parties	$ 36	$ 31	$ 31