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Equity Securities, FV-NI And Without Readily Determinable Fair Value And Equipment Method Investments

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Other Equity Securities Without Readily Determinable Fair Value And Equity Method Investments

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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INVESTMENTS - Summary of Classification of Equity Securities at Fair Value (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025	Sep. 30, 2025
Equity method investments and other equity securities without readily determinable fair values:
Other long-term assets	$ 308	$ 393
Equity Securities, FV-NI And Without Readily Determinable Fair Value And Equipment Method Investments [Abstract]
Total	8,827	8,909
Assembly Biosciences, Inc
Equity Securities, FV-NI And Without Readily Determinable Fair Value And Equipment Method Investments [Abstract]
Ownership (as a percent)			29.00%
Cash and cash equivalents:
Equity securities measured at fair value:
Equity securities measured at fair value	5,966	6,150
Prepaid and other current assets: \| Galapagos
Equity securities measured at fair value:
Equity securities measured at fair value	504	551
Prepaid and other current assets: \| Arcus
Equity securities measured at fair value:
Equity securities measured at fair value	679	749
Prepaid and other current assets: \| Other Equity Method Investments
Equity securities measured at fair value:
Equity securities measured at fair value	155	183
Prepaid and other current assets: \| Nonconsolidated Investees, Other
Equity securities measured at fair value:
Equity securities measured at fair value	836	499
Other long-term assets
Equity securities measured at fair value:
Equity securities measured at fair value	$ 379	$ 386