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Schedule II - Valuation and Qualifying Accounts
12 Months Ended
Dec. 31, 2024
Receivables [Abstract]  
Schedule II - Valuation and Qualifying Accounts
Schedule II—Valuation and Qualifying Accounts
Balance,Balance,
Beginning ofEnd of
(MILLIONS OF DOLLARS)PeriodAdditionsDeductionsPeriod
Year Ended December 31, 2024
Allowance for doubtful accounts$18 $3 $(3)$18 
Year Ended December 31, 2023
Allowance for doubtful accounts$19 $— $(1)$18 
Year Ended December 31, 2022
Allowance for doubtful accounts$17 $$(2)$19