Investments (Schedule of Investments) (Details) - USD ($) $ in Millions	Sep. 30, 2026	Dec. 31, 2025
Investments, Debt and Equity Securities [Abstract]
Equity investments	$ 787	$ 687
Short-term investments
Investments, Debt and Equity Securities [Abstract]
Debt securities	151	28
Investments, Debt, and Equity Securities [Line Items]
Debt securities	151	28
Corporate debt securities
Investments, Debt and Equity Securities [Abstract]
Debt securities	100	0
Investments, Debt, and Equity Securities [Line Items]
Debt securities	$ 100	$ 0

Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading).

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+ Details