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Commitments, Contingent Liabilities and Guarantees - Standby and Commercial Letters of Credit, Conditional Commitments Issued to Guarantee the Performance of a Customer to a Third Party (Details) - Letters of credit $ in Millions	Jun. 30, 2026 USD ($)
Line of Credit Facility
Commitments	$ 6,248
Less than 1 year
Line of Credit Facility
Commitments	4,820
Less than 1 year | Commercial
Line of Credit Facility
Commitments	5
1 - 5 years
Line of Credit Facility
Commitments	1,423
1 - 5 years | Commercial
Line of Credit Facility
Commitments	5
Over 5 years
Line of Credit Facility
Commitments	$ 5

X

- Definition

Fair value portion of arrangements with third parties, including, but not limited to, operating lease arrangement and arrangement in which the entity has agreed to expend funds to procure goods or services, or has agreed to commit resources to supply goods or services.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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