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Investments - Components of Nonmarketable securities (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Nonmarketable Securities [Abstract]
Measurement alternative	$ 1,184	$ 1,140
Equity method	253	230
Total Nonmarketable securities	$ 1,437	$ 1,370

X

- Definition

Alternative Investment, Carrying Value

+ References

No definition available.

+ Details

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X

- Definition

Alternative Investment, Equity Method Investment

+ References

No definition available.

+ Details

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X

- Definition

Nonmarketable Securities

+ References

No definition available.

+ Details

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X

- Definition

Amount of investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-3

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