Annual report pursuant to Section 13 and 15(d)

Revenues from Contracts with Customers - Contract Assets and Liabilities (Details)

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Revenues from Contracts with Customers - Contract Assets and Liabilities (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Revenue from Contract with Customer [Abstract]    
Contract assets, net of current expected credit losses $ 1 $ 0
Change In Contract With Customer, Liability [Roll Forward]    
Deferred revenues, beginning of period 137  
Cash received but not yet recognized in revenue 155  
Revenue recognized from prior period deferral (137)  
Deferred revenues, end of period 155  
Deferred revenue—affiliate, beginning of period 1  
Cash received but not yet recognized in revenue 3  
Revenue recognized from prior period deferral (1)  
Deferred revenue—affiliate, end of period $ 3