Revenue from Contracts with Customers - Narrative (Details) - USD ($) $ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
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| Revenue disaggregated by segment | ||
| Receivables for revenue from contracts with customers | $ 483 | $ 590 |
| Financial planning fees | Other liabilities | ||
| Revenue disaggregated by segment | ||
| Contract liabilities | 187 | 187 |
| Financial planning fees | Other assets | ||
| Revenue disaggregated by segment | ||
| Capitalized contract costs | 149 | 150 |
| Custodial service fees | Other liabilities | ||
| Revenue disaggregated by segment | ||
| Contract liabilities | $ 35 | $ 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right to consideration is unconditional. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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