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Cash And Cash Equivalents Non-Cash Activities (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Accrued capital expenditures $ 339 $ 595
Right-of-Use Assets Obtained in Exchange for Liabilities 13 32
Stock Issued During Period, Value, Dividend Reinvestment Plan $ 48 $ 26