Annual report pursuant to Section 13 and 15(d)

Schedule II - Schedule of Valuation and Qualifying Accounts (Details)

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Schedule II - Schedule of Valuation and Qualifying Accounts (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Allowance for doubtful accounts      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance January 1, $ 10 $ 15 $ 14
Charged to Expenses 59 53 60
Write-offs/ Payments/ Other (58) (58) (59)
Balance December 31, 11 10 15
Deferred tax assets—valuation allowance      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance January 1, 83 54 70
Charged to Expenses 35 29 3
Write-offs/ Payments/ Other (5) 0 (19)
Balance December 31, $ 113 $ 83 $ 54