XML 48 R38.htm IDEA: XBRL DOCUMENT v3.21.1
Accounts Payable (Details) - USD ($)
$ in Millions
Mar. 31, 2021
Dec. 31, 2020
Accounts Payable [Abstract]    
Accounts payable—third parties $ 568 $ 529
Accounts payable to related parties 1 0
Notes payable and current portion of long-term debt 34 7
Accounts payable $ 603 $ 536