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Fair Value Measurement
6 Months Ended
Jun. 30, 2024
Fair Value Disclosures [Abstract]  
Fair Value Measurement Fair Value Measurement
Fair value represents the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. U.S. GAAP established a hierarchy framework to classify the fair value measurement into one of the three levels based on the observability of significant inputs to the measurement.
The following table summarizes our financial assets and financial liabilities that are measured at fair value on a recurring basis:
(in millions)
ClassificationMeasurement LevelJune 30, 2024December 31, 2023
Financial assets
Money market trustCash and cash equivalentsLevel 1$1,699 $1,582 
Money market fundCash and cash equivalentsLevel 1$755 $1,205 
Money market trustRestricted cashLevel 1$88 $86