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Commitments and Contingent Liabilities Variable Interest Entities (Details) $ in Millions	Sep. 30, 2025 USD ($)
Variable Interest Entity [Line Items]
Investment, Proportional Amortization Method, Elected, Statement of Financial Position [Extensible Enumeration]	Other Assets
Investment, Proportional Amortization Method, Elected, Amount	$ 432
Other Liabilities [Member]
Variable Interest Entity [Line Items]
Investment Program, Proportional Amortization Method, Elected, Commitment	$ 132

X

- Definition

Amount of investment that generates income tax credit and other income tax benefit under tax credit program elected to be accounted for using proportional amortization method. Includes, but is not limited to, investment under program not meeting condition for accounting under proportional amortization method.

+ References

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-SubTopic 323
-Name Accounting Standards Codification
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- Definition

Indicates line item in statement of financial position that includes investment that generates income tax credit and other income tax benefit under tax credit program elected to be accounted for using proportional amortization method. Includes, but is not limited to, investment under tax credit program not meeting condition for accounting under proportional amortization method.

+ References

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X

- Definition

Amount of commitment and contingent commitment, including amount of delayed equity contribution, for investment that generates income tax credit and other income tax benefit under tax credit program elected to be accounted for using proportional amortization method. Includes, but is not limited to, commitment and contingent commitment related to investment under tax credit program not meeting condition for accounting under proportional amortization method.

+ References

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- 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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