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Financial Instruments (Tables)
12 Months Ended
Dec. 31, 2024
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Aggregate Fair Value and Carrying Value
The aggregate carrying value and fair value of our total long-term debt were as follows at December 31:
(in millions)20242023
Carrying value$24,926 $26,233 
Fair value22,741 24,373 
Foreign currency denominated debt included in long-term debt:
Carrying value3,100 3,303 
Fair value3,059 3,125