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Derivative Financial Instruments and Off-balance Sheet Financial Instruments - Schedule of Exchange Traded and Cleared Margin Deposits (Details) $ in Millions	Dec. 31, 2025 USD ($)
Derivative Financial Instruments and Off-balance sheet Financial Instruments
Pledged by the Company	$ 95
Received by the Company	$ 0

X

- References

No definition available.

+ Details

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X

- Definition

Margin Deposit Liabilities

+ References

No definition available.

+ Details

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- Definition

The amount of cash or securities placed with a broker or counterparty as security for a trading or derivatives securities position which was partially obtained with funds provided by the broker dealer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(17))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478795/946-210-50-6

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