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Valuation And Qualifying Accounts And Reserves
12 Months Ended
Dec. 31, 2023
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Valuation And Qualifying Accounts And Reserves
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS AND RESERVES
 Beginning of    End of
(In millions)Year BalanceAdditions
Deductions (1)
Other (2)
Year Balance
Allowance for doubtful accounts     
December 31, 2021$100 32 (28)18 $122 
December 31, 2022$122 88 (12)$199 
December 31, 2023$199 (28)38 $215 
Beginning ofEnd of
(In millions)Year BalanceAdditionsDeductionsOtherYear Balance
Income tax valuation allowance
December 31, 2021$339 (65)— $281 
December 31, 2022$281 18 (90)— $209 
December 31, 2023$209 58 (51)— $216 
(1) Uncollectible accounts written off
(2) Impact of reclassifications, foreign exchange translation, and other adjustments