Operating Costs and Other Expenses (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
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| Operating Costs And Other Expenses [Abstract] | ||
| Asset-based commission expenses | $ 295 | $ 284 |
| Other commission expenses | 322 | 215 |
| Sub-advisor expenses | 74 | 78 |
| General and administrative expenses | 299 | 259 |
| Deferral of acquisition costs | (255) | (159) |
| Total operating costs and other expenses | $ 735 | $ 677 |
| X | ||||||||||
- Definition Asset-Based Commission Expense No definition available.
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| X | ||||||||||
- Definition Deferral Of Acquisition Costs And Sales Inducement Assets No definition available.
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| X | ||||||||||
- Definition Operating Costs And Other Expenses No definition available.
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| X | ||||||||||
- Definition Other Commission Expense No definition available.
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| X | ||||||||||
- Definition Sub-Advisor Expenses No definition available.
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| X | ||||||||||
- Definition Total costs of sales and operating expenses for the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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