Basis of Reporting and Accounting - Additional Details (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025	Mar. 31, 2025
Cash and Cash Equivalents
Cash and Cash Equivalents [Line Items]
Open reverse repurchase commitments	$ 29	$ 44	$ 78

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.

No definition available.

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