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Summary of Significant Accounting Policies - Changes in Allowances for Credit Losses (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Allowance for Trade Receivables    
Accounts Receivable, Allowance for Credit Loss [Roll Forward]    
Beginning balance $ (45) $ (37)
Current period (provision)/benefit for expected credit losses (24) (13)
Write-offs charged against the allowance 8 2
Recoveries of amounts previously written off (1)  
Currency (4) 3
Ending balance (66) (45)
Allowance for Other Current Receivables    
Accounts Receivable, Allowance for Credit Loss [Roll Forward]    
Beginning balance (59) (49)
Current period (provision)/benefit for expected credit losses 4 (14)
Write-offs charged against the allowance 1 3
Recoveries of amounts previously written off 0  
Currency 4 1
Ending balance (50) (59)
Allowance for Long-Term Receivables    
Accounts Receivable, Allowance for Credit Loss [Roll Forward]    
Beginning balance (14) (10)
Current period (provision)/benefit for expected credit losses 1 (3)
Write-offs charged against the allowance 0 0
Recoveries of amounts previously written off (1)  
Currency (1) (1)
Ending balance $ (15) $ (14)