Annual report pursuant to Section 13 and 15(d)

Schedule II - Schedule of Valuation and Qualifying Accounts

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Schedule II - Schedule of Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2021
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Schedule II - Schedule of Valuation and Qualifying Accounts
(in millions)        
Description Balance
January 1,		 Charged to
Expenses		 Write-offs/
Payments/ Other		 Balance
December 31,
2021
Allowance for doubtful accounts $ 15  53  (58) $ 10 
Deferred tax assets—valuation allowance $ 54  29  —  $ 83 
2020        
Allowance for doubtful accounts $ 14  60  (59) $ 15 
Deferred tax assets—valuation allowance $ 70  3  (19) $ 54 
2019        
Allowance for doubtful accounts $ 7  53  (46) $ 14 
Deferred tax assets—valuation allowance $ 66  4  —  $ 70