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Basis of Presentation - Changes in Allowances for Credit Losses (Details)
$ in Millions
 6 Months Ended
Jun. 30, 2023
USD ($)
Allowance for Trade Receivables  
Accounts Receivable, Allowance for Credit Loss [Roll Forward]  
Balance at January 1, 2023 $ (45)
Current period provision/(recovery) for expected credit losses (22)
Write-offs charged against the allowance 3
Currency 0
Balance at June 30, 2023 (64)
Allowance for Other Current Receivables  
Accounts Receivable, Allowance for Credit Loss [Roll Forward]  
Balance at January 1, 2023 (59)
Current period provision/(recovery) for expected credit losses 6
Write-offs charged against the allowance 0
Currency (1)
Balance at June 30, 2023 (54)
Allowance for Long-Term Receivables  
Accounts Receivable, Allowance for Credit Loss [Roll Forward]  
Balance at January 1, 2023 (14)
Current period provision/(recovery) for expected credit losses 0
Write-offs charged against the allowance 0
Currency (1)
Balance at June 30, 2023 $ (15)