Securities Financing Agreements, Collateral and Restricted Cash - Collateral (Details) - USD ($) $ in Trillions	6 Months Ended	12 Months Ended
Jun. 30, 2026	Dec. 31, 2025
Securities Financing Agreements, Collateral and Restricted Cash [Abstract]
Securities held as collateral, fair value	$ 1.4	$ 1.1
Securities received as collateral, amount re-pledged and sold	$ 1.3	$ 1.0

Securities Financing Agreements, Collateral and Restricted Cash

No definition available.

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- Definition

The carrying amount (fair value) as of the balance sheet date of securities held that had been pledged by counterparties under financing and lending arrangements, pursuant to which the entity has the right by agreement or custom to sell or re-pledge such securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-5

+ Details

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- Definition

The fair value of collateral received that has been sold or re-pledged and is owed to the debtor (transferor) upon settlement of the related contractual obligation under which it was received.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 860
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (c)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481420/860-30-50-1A

+ Details

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