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Revenue from Contracts with Customers - Narrative (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Revenue disaggregated by segment
Receivables for revenue from contracts with customers	$ 476	$ 538
Financial planning fees | Other liabilities
Revenue disaggregated by segment
Contract liabilities	175	181
Financial planning fees | Other assets
Revenue disaggregated by segment
Capitalized contract costs	140	145
Custodial service fees | Other liabilities
Revenue disaggregated by segment
Contract liabilities	$ 12	$ 0

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- Definition

Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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