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Revenue Contract Balances (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2023
Dec. 31, 2022
Revenue from Contract with Customer [Abstract]    
Contract with Customer, Liability $ 78 $ 99
Contract liabilities (Note 20) 70 90
Contract liabilities (Note 20) 8 9
Deferred Revenue, Revenue Recognized 69  
Contract with Customer, Asset, after Allowance for Credit Loss 114 67
Contract with Customer, Asset, after Allowance for Credit Loss, Noncurrent 68 43
Contract with Customer, Asset, after Allowance for Credit Loss, Current $ 46 $ 24