Commitments and Contingencies - Narrative (Details) - USD ($) $ in Millions	Sep. 30, 2026	Dec. 31, 2025
Loss Contingencies [Line Items]
Reserve for unfunded commitments	$ 79	$ 16
Minimum
Loss Contingencies [Line Items]
Total letters of credit and unfunded lending commitments	0
Maximum
Loss Contingencies [Line Items]
Total letters of credit and unfunded lending commitments	$ 30

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

- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

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+ Details