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Financial and Derivative Instruments - Effect of Netting Derivative Assets and Liabilities (Details) - Not Designated - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Offsetting Assets [Abstract]    
Derivative Asset, Gross Amount Recognized $ 1,684 $ 818
Derivative Asset, Gross Amounts Offset 1,371 744
Derivative Asset, Net Amounts Presented 313 74
Derivative Asset, Gross Amounts Not Offset 0 0
Derivative Asset, Net Amount 313 74
Offsetting Liabilities [Abstract]    
Derivative Liability, Gross Amount Recognized 1,443 917
Derivative Liability, Gross Amounts Offset 1,371 744
Derivative Liability, Net Amounts Presented 72 173
Derivative Liability, Gross Amounts Not Offset 0 0
Derivative Liability, Net Amount $ 72 $ 173