INVESTMENTS - Equity Securities (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Equity Securities, FV-NI [Line Items]
Equity securities	$ 925	$ 887
Yen-denominated
Equity Securities, FV-NI [Line Items]
Equity securities	694	609
U.S. dollar-denominated
Equity Securities, FV-NI [Line Items]
Equity securities	$ 231	$ 278

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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+ Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details