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DAC, VOBA, DSI, and DFEL - Reconciliation of DAC, VOBA and DSI (Details) - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
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Deferred Policy Acquisition Cost [Line Items] |  |
Deferred acquisition costs, value of business acquired and deferred sales inducements | $ 12,563 | $ 12,537
Other Operations |  |
Deferred Policy Acquisition Cost [Line Items] |  |
Deferred acquisition costs, value of business acquired and deferred sales inducements | 2 | 0
Traditional Life |  |
Deferred Policy Acquisition Cost [Line Items] |  |
Deferred acquisition costs, value of business acquired and deferred sales inducements | 1,352 | 1,370
UL and Other |  |
Deferred Policy Acquisition Cost [Line Items] |  |
Deferred acquisition costs, value of business acquired and deferred sales inducements | 6,323 | 6,318
Group Protection |  |
Deferred Policy Acquisition Cost [Line Items] |  |
Deferred acquisition costs, value of business acquired and deferred sales inducements | 181 | 178
Retirement Plan Services |  |
Deferred Policy Acquisition Cost [Line Items] |  |
Deferred acquisition costs, value of business acquired and deferred sales inducements | 288 | 284
Variable Annuities |  |
Deferred Policy Acquisition Cost [Line Items] |  |
Deferred acquisition costs, value of business acquired and deferred sales inducements | 4,001 | 3,964
Fixed Annuities |  |
Deferred Policy Acquisition Cost [Line Items] |  |
Deferred acquisition costs, value of business acquired and deferred sales inducements | $ 416 | $ 423

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