DAC, VOBA, DSI, and DFEL - Reconciliation of DFEL (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024	Dec. 31, 2023
Deferred Policy Acquisition Cost [Line Items]
DFEL	$ 6,930	$ 6,750
Other Operations
Deferred Policy Acquisition Cost [Line Items]
DFEL	53	51
Ceded DFEL	53	51
UL and Other
Deferred Policy Acquisition Cost [Line Items]
DFEL	6,587	6,406	$ 5,778	$ 5,579
Ceded DFEL	2,456		2,303
Variable Annuities
Deferred Policy Acquisition Cost [Line Items]
DFEL	290	$ 293	298	$ 300
Ceded DFEL	$ 0		$ 0