XML 82 R69.htm IDEA: XBRL DOCUMENT v3.22.2
Related Party Transactions - Schedule of Significant Transactions with Related Parties (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Significant Transactions with Equity Affiliates        
Operating revenues and other income $ 21 $ 24 $ 43 $ 40
Purchases 0 3 0 3
Operating expenses and selling, general and administrative expenses 44 63 90 89
Net interest (income) expense $ 0 $ 0 $ (1) $ (1)