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Cash And Cash Equivalents Non-Cash Activities (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
NON-CASH INVESTING AND FINANCING ACTIVITIES:    
Accrued capital expenditures $ 475 $ 559
Right-of-Use Assets Obtained in Exchange for Liabilities $ 56 $ 14