DAC, VOBA, DSI, and DFEL - Reconciliation of DFEL (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022
Deferred Policy Acquisition Cost [Line Items]
DFEL	$ 6,121	$ 5,923
Other Operations
Deferred Policy Acquisition Cost [Line Items]
DFEL	45	44
Less: ceded DFEL	45	44
UL and Other
Deferred Policy Acquisition Cost [Line Items]
DFEL	5,778	5,579	$ 4,966	$ 4,765
Less: ceded DFEL	2,303	2,300	30
Variable Annuities
Deferred Policy Acquisition Cost [Line Items]
DFEL	298	$ 300	308	$ 310
Less: ceded DFEL	$ 0		$ 0