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Basis of Financial Statements - Owned Distribution Investments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Distribution Investments And Affiliates | Commission Fees Paid
Business Combination [Line Items]
Payments for commissions	$ 12	$ 16	$ 44	$ 110

X

- 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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