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Financial Instruments - Credit Losses (Details) - USD ($)
$ in Millions
Jun. 30, 2023
Dec. 31, 2022
Receivables [Abstract]    
Allowance for credit loss $ 766 $ 1,000
Trade receivable 17,100  
Non-trade receivable 3,900  
Investments and Advances    
Related Party Transaction [Line Items]    
Allowance for credit loss $ 534 $ 560