DERIVATIVES - Financial Statement Impact of Derivatives By Category (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Derivatives, Fair Value [Line Items]
Net Derivatives Gain (Losses)	$ (1,374)	$ (208)	$ (575)	$ (1,584)
Net Investment Income	1,355	1,167	2,603	2,377
Total derivative instruments
Derivatives, Fair Value [Line Items]
Net Derivatives Gain (Losses)	(1,374)	(208)	(575)	(1,584)
Net Investment Income	1	(13)	4	(7)
Interest Credited To Policyholders Account Balances	73	(5)	106	(23)
AOCI	(138)	35	(196)	44
Not Designated for Hedge Accounting
Derivatives, Fair Value [Line Items]
Net Derivatives Gain (Losses)	3,322	1,088	1,143	2,847
Net Investment Income	0	0	0	0
Interest Credited To Policyholders Account Balances	0	0	0	0
AOCI	0	0	0	0
Not Designated for Hedge Accounting \| Currency swaps
Derivatives, Fair Value [Line Items]
Net Derivatives Gain (Losses)	(57)	1	(87)	13
Net Investment Income	0	0	0	0
Interest Credited To Policyholders Account Balances	0	0	0	0
AOCI	0	0	0	0
Not Designated for Hedge Accounting \| Interest swaps
Derivatives, Fair Value [Line Items]
Net Derivatives Gain (Losses)	(16)	(88)	(1)	(253)
Net Investment Income	0	0	0	0
Interest Credited To Policyholders Account Balances	0	0	0	0
AOCI	0	0	0	0
Not Designated for Hedge Accounting \| Futures
Derivatives, Fair Value [Line Items]
Net Derivatives Gain (Losses)	472	50	272	291
Net Investment Income	0	0	0	0
Interest Credited To Policyholders Account Balances	0	0	0	0
AOCI	0	0	0	0
Not Designated for Hedge Accounting \| Swaps
Derivatives, Fair Value [Line Items]
Net Derivatives Gain (Losses)	(1,204)	(99)	(499)	(1,214)
Net Investment Income	0	0	0	0
Interest Credited To Policyholders Account Balances	0	0	0	0
AOCI	0	0	0	0
Not Designated for Hedge Accounting \| Options
Derivatives, Fair Value [Line Items]
Net Derivatives Gain (Losses)	4,235	1,225	1,590	4,021
Net Investment Income	0	0	0	0
Interest Credited To Policyholders Account Balances	0	0	0	0
AOCI	0	0	0	0
Not Designated for Hedge Accounting \| Futures
Derivatives, Fair Value [Line Items]
Net Derivatives Gain (Losses)	(98)	(1)	(121)	(11)
Net Investment Income	0	0	0	0
Interest Credited To Policyholders Account Balances	0	0	0	0
AOCI	0	0	0	0
Not Designated for Hedge Accounting \| Option
Derivatives, Fair Value [Line Items]
Net Derivatives Gain (Losses)	(1)		(2)
Net Investment Income	0		0
Interest Credited To Policyholders Account Balances	0		0
AOCI	0		0
Not Designated for Hedge Accounting \| Credit default swaps
Derivatives, Fair Value [Line Items]
Net Derivatives Gain (Losses)	(3)	0	(3)	(1)
Net Investment Income	0	0	0	0
Interest Credited To Policyholders Account Balances	0	0	0	0
AOCI	0	0	0	0
Not Designated for Hedge Accounting \| Currency forwards
Derivatives, Fair Value [Line Items]
Net Derivatives Gain (Losses)	(6)	0	(6)	1
Net Investment Income	0	0	0	0
Interest Credited To Policyholders Account Balances	0	0	0	0
AOCI	0	0	0	0
Not Designated for Hedge Accounting \| Margin
Derivatives, Fair Value [Line Items]
Net Derivatives Gain (Losses)	0		0
Net Investment Income	0		0
Interest Credited To Policyholders Account Balances	0		0
AOCI	0		0
Not Designated for Hedge Accounting \| Collateral
Derivatives, Fair Value [Line Items]
Net Derivatives Gain (Losses)	0		0
Net Investment Income	0		0
Interest Credited To Policyholders Account Balances	0		0
AOCI	0		0
Not Designated for Hedge Accounting \| Total embedded derivatives
Derivatives, Fair Value [Line Items]
Net Derivatives Gain (Losses)	(4,696)	(1,296)	(1,718)	(4,432)
Net Investment Income	0	0	0	0
Interest Credited To Policyholders Account Balances	0	0	0	0
AOCI	0	0	0	0
Not Designated for Hedge Accounting \| SCS, SIO, MSO and IUL Indexed Features
Derivatives, Fair Value [Line Items]
Net Derivatives Gain (Losses)	(4,696)	(1,296)	(1,718)	(4,432)
Net Investment Income	0	0	0	0
Interest Credited To Policyholders Account Balances	0	0	0	0
AOCI	0	0	0	0
Cash Flow Hedge \| Designated for Hedge Accounting
Derivatives, Fair Value [Line Items]
Net Derivatives Gain (Losses)	0	0	0	1
Net Investment Income	1	(13)	4	(7)
Interest Credited To Policyholders Account Balances	73	(5)	106	(23)
AOCI	(138)	35	(196)	44
Cash Flow Hedge \| Designated for Hedge Accounting \| Currency swaps
Derivatives, Fair Value [Line Items]
Net Derivatives Gain (Losses)	0	0	0	1
Net Investment Income	9	4	15	7
Interest Credited To Policyholders Account Balances	73	(5)	106	(23)
AOCI	(151)	22	(188)	38
Cash Flow Hedge \| Designated for Hedge Accounting \| Interest swaps
Derivatives, Fair Value [Line Items]
Net Derivatives Gain (Losses)	0	0	0	0
Net Investment Income	(8)	(17)	(11)	(14)
Interest Credited To Policyholders Account Balances	0	0	0	0
AOCI	$ 13	$ 13	$ (8)	$ 6