Commitments - Extensions of Credit (Details) - USD ($) $ in Billions	Sep. 30, 2025	Dec. 31, 2024
Extended lines of credit
Other Commitments [Line Items]
Unused amounts in lines of credit to third-party entities and commitments for future financing to clients	$ 1.9	$ 1.6
Financing for client purchase agreements
Other Commitments [Line Items]
Unused amounts in lines of credit to third-party entities and commitments for future financing to clients	$ 2.0	$ 2.2

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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