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Related Party Transactions (Notes)
3 Months Ended
Mar. 31, 2022
Related Party Transactions [Abstract]  
Related Party Transactions RELATED PARTY TRANSACTIONS
The following table provides a summary of the related party activity included in our consolidated statements of operations:
Three Months Ended
March 31,
20222021
Operating revenues
$22 $23 
Operating and maintenance
General and administrative
Interest expense — related company
As of March 31, 2022 and December 31, 2021, the Company had $127 million and $221 million, respectively, outstanding under a note payable to its parent. The note payable accrues interest monthly with an annual interest rate of 4.90% as of March 31, 2022 and matures on July 31, 2027.