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Fair Value Measurements Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2025

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Table Text Block]

The following table summarizes the levels of fair value measurements of our financial assets:

			March 31, 2025									December 31, 2024
(in millions)			Total			Level 1									Total			Level 1
Money market funds			$	568		$	568								$	1,048		$	1,048
U.S. Treasury bills			17			17									16			16
			585			585									1,064			1,064
Deposits - money market funds			242			242									241			241
Total			$	827		$	827								$	1,305		$	1,305

Debt Securities, Available-for-sale

The following is a summary of our available-for-sale marketable securities:

(in millions)			Amortized Cost			Gross Unrealized Gains			Gross Unrealized Losses			Estimated Fair Value
March 31, 2025
U.S. Treasury bills			$	17		$	—		$	—		$	17
December 31, 2024
U.S. Treasury bills			$	16		$	—		$	—		$	16

X

- Definition

Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-9

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
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Tabular disclosure of assets measured at fair value measured on a recurring or nonrecurring basis. Includes, but is not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
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