Fair Value of Financial Instruments - Fair Value of Assets and Liabilities on a Recurring Basis (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Assets
Fixed maturity AFS securities	$ 94,200	$ 93,448
Trading securities	1,552	1,676
Equity securities	314	501
Mortgage loans on real estate	198	199
Derivative investments	13,505	16,029
Other investments – short-term investments	193	194
Market risk benefit assets	4,303	4,753
Embedded derivative asset	1,332	1,369
Separate account assets	172,043	180,092
Total assets	287,642	298,263
Liabilities
Embedded derivative liability	(92)	(289)
Market risk benefit liabilities	(1,127)	(1,118)
Derivative liabilities	(18,815)	(21,548)
Total liabilities	(20,271)	(23,025)
Corporate bonds
Assets
Fixed maturity AFS securities	68,284	69,045
U.S. government bonds
Assets
Fixed maturity AFS securities	919	869
State and municipal bonds
Assets
Fixed maturity AFS securities	2,124	2,147
Foreign government bonds
Assets
Fixed maturity AFS securities	202	226
RMBS
Assets
Fixed maturity AFS securities	2,063	2,122
CMBS
Assets
Fixed maturity AFS securities	2,669	2,502
ABS
Assets
Fixed maturity AFS securities	17,703	16,282
Hybrid and redeemable preferred securities
Assets
Fixed maturity AFS securities	236	255
MRB assets
Assets
Market risk benefit assets	4,303	4,753
Ceded MRBs
Assets
Market risk benefit assets	2	2
Liabilities
Market risk benefit liabilities	(329)	(359)
RILA, Fixed Annity And IUL Contracts
Liabilities
Policyholder account balances – RILA, fixed annuity and IUL contracts	(13,444)	(15,115)
MRB liabilities
Liabilities
Market risk benefit liabilities	(1,127)	(1,118)
Excluding Embedded Derivatives
Liabilities
Derivative liabilities	(5,279)	(6,144)
(Level 1)
Assets
Trading securities	0	0
Equity securities	38	234
Mortgage loans on real estate	0	0
Derivative investments	0	0
Other investments – short-term investments	0	0
Embedded derivative asset	0	0
Separate account assets	367	383
Total assets	1,336	1,498
Liabilities
Embedded derivative liability	0	0
Total liabilities	0	0
(Level 1) | Corporate bonds
Assets
Fixed maturity AFS securities	0	0
(Level 1) | U.S. government bonds
Assets
Fixed maturity AFS securities	900	849
(Level 1) | State and municipal bonds
Assets
Fixed maturity AFS securities	0	0
(Level 1) | Foreign government bonds
Assets
Fixed maturity AFS securities	0	0
(Level 1) | RMBS
Assets
Fixed maturity AFS securities	0	0
(Level 1) | CMBS
Assets
Fixed maturity AFS securities	0	0
(Level 1) | ABS
Assets
Fixed maturity AFS securities	0	0
(Level 1) | Hybrid and redeemable preferred securities
Assets
Fixed maturity AFS securities	31	32
(Level 1) | MRB assets
Assets
Market risk benefit assets	0	0
(Level 1) | Ceded MRBs
Assets
Market risk benefit assets	0	0
Liabilities
Market risk benefit liabilities	0	0
(Level 1) | RILA, Fixed Annity And IUL Contracts
Liabilities
Policyholder account balances – RILA, fixed annuity and IUL contracts	0	0
(Level 1) | MRB liabilities
Liabilities
Market risk benefit liabilities	0	0
(Level 1) | Excluding Embedded Derivatives
Liabilities
Derivative liabilities	0	0
(Level 2)
Assets
Trading securities	1,329	1,347
Equity securities	243	234
Mortgage loans on real estate	0	0
Derivative investments	13,436	16,001
Other investments – short-term investments	165	193
Embedded derivative asset	0	0
Separate account assets	171,676	179,709
Total assets	272,498	282,386
Liabilities
Embedded derivative liability	160	145
Total liabilities	(4,985)	(5,863)
(Level 2) | Corporate bonds
Assets
Fixed maturity AFS securities	65,002	65,132
(Level 2) | U.S. government bonds
Assets
Fixed maturity AFS securities	19	20
(Level 2) | State and municipal bonds
Assets
Fixed maturity AFS securities	2,124	2,147
(Level 2) | Foreign government bonds
Assets
Fixed maturity AFS securities	202	226
(Level 2) | RMBS
Assets
Fixed maturity AFS securities	2,063	2,122
(Level 2) | CMBS
Assets
Fixed maturity AFS securities	2,566	2,417
(Level 2) | ABS
Assets
Fixed maturity AFS securities	13,550	12,698
(Level 2) | Hybrid and redeemable preferred securities
Assets
Fixed maturity AFS securities	123	140
(Level 2) | MRB assets
Assets
Market risk benefit assets	0	0
(Level 2) | Ceded MRBs
Assets
Market risk benefit assets	0	0
Liabilities
Market risk benefit liabilities	0	0
(Level 2) | RILA, Fixed Annity And IUL Contracts
Liabilities
Policyholder account balances – RILA, fixed annuity and IUL contracts	0	0
(Level 2) | MRB liabilities
Liabilities
Market risk benefit liabilities	0	0
(Level 2) | Excluding Embedded Derivatives
Liabilities
Derivative liabilities	(5,145)	(6,008)
(Level 3)
Assets
Trading securities	223	329
Equity securities	33	33
Mortgage loans on real estate	198	199
Derivative investments	69	28
Other investments – short-term investments	28	1
Embedded derivative asset	1,332	1,369
Separate account assets	0	0
Total assets	13,808	14,379
Liabilities
Embedded derivative liability	(252)	(434)
Total liabilities	(15,286)	(17,162)
(Level 3) | Corporate bonds
Assets
Fixed maturity AFS securities	3,282	3,913
(Level 3) | U.S. government bonds
Assets
Fixed maturity AFS securities	0	0
(Level 3) | State and municipal bonds
Assets
Fixed maturity AFS securities	0	0
(Level 3) | Foreign government bonds
Assets
Fixed maturity AFS securities	0	0
(Level 3) | RMBS
Assets
Fixed maturity AFS securities	0	0
(Level 3) | CMBS
Assets
Fixed maturity AFS securities	103	85
(Level 3) | ABS
Assets
Fixed maturity AFS securities	4,153	3,584
(Level 3) | Hybrid and redeemable preferred securities
Assets
Fixed maturity AFS securities	82	83
(Level 3) | MRB assets
Assets
Market risk benefit assets	4,303	4,753
(Level 3) | Ceded MRBs
Assets
Market risk benefit assets	2	2
Liabilities
Market risk benefit liabilities	(329)	(359)
(Level 3) | RILA, Fixed Annity And IUL Contracts
Liabilities
Policyholder account balances – RILA, fixed annuity and IUL contracts	(13,444)	(15,115)
(Level 3) | MRB liabilities
Liabilities
Market risk benefit liabilities	(1,127)	(1,118)
(Level 3) | Excluding Embedded Derivatives
Liabilities
Derivative liabilities	(134)	(136)
Fair Value Measured at Net Asset Value Per Share
Liabilities
Closed end funds measured at NAV per share	$ 161	$ 135