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Fair Value Measurement (Tables)
9 Months Ended
Sep. 30, 2025
Fair Value Disclosures [Abstract]  
Schedule of Financial Assets Measured at Fair Value on a Recurring Basis
The following table summarizes our financial assets and financial liabilities that are measured at fair value on a recurring basis:
(in millions)
ClassificationMeasurement LevelSeptember 30, 2025December 31, 2024
Financial assets
Money market trustCash and cash equivalentsLevel 1$1,612 $1,755 
Money market fundCash and cash equivalentsLevel 1$1,525 $828 
Money market trustRestricted cashLevel 1$92 $83