Fair Value (Recurring Fair Value Measurements) (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	$ 316,110	$ 315,931
Equity securities	927	858
Unit-linked and FVO securities	13,435	13,959
Short-term investments (1)	4,948	3,601
Derivative assets (2)	7,665	7,045
Market risk benefits, at estimated fair value	392	458
Separate account assets (4)	147,686	151,933
Liabilities [Abstract]
Derivative liabilities (2)	6,993	7,548
Embedded derivatives within liability host contracts (6)	(152)	57
Market risk benefits, at estimated fair value	2,522	2,406
Separate account liabilities	147,686	151,933
Notes Issued by Collateralized Financing Entities	1,138	1,206
Recurring
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	316,110	315,931
Equity securities	927	858
Unit-linked and FVO securities	13,435	13,959
Short-term investments (1)	4,703	3,340
Other investments	1,183	1,183
Derivative assets (2)	7,665	7,045
Market risk benefits, at estimated fair value	392	458
Reinsured MRB Assets (3)	383	293
Separate account assets (4)	147,686	151,933
Total assets (5)	492,484	495,000
Liabilities [Abstract]
Derivative liabilities (2)	6,993	7,548
Embedded derivatives within liability host contracts (6)	(152)	57
Market risk benefits, at estimated fair value	2,522	2,406
Total liabilities	10,501	11,217
Contractholder-directed equity securities, at estimated fair value	10,255	10,748
Fair value option securities, at estimated fair value	3,180	3,211
Notes Issued by Collateralized Financing Entities	1,138	1,206
Recurring \| Interest rate
Assets [Abstract]
Derivative assets (2)	2,623	2,602
Liabilities [Abstract]
Derivative liabilities (2)	3,805	3,766
Recurring \| Foreign currency exchange rate contracts
Assets [Abstract]
Derivative assets (2)	4,265	3,939
Liabilities [Abstract]
Derivative liabilities (2)	2,867	3,404
Recurring \| Credit
Assets [Abstract]
Derivative assets (2)	200	155
Liabilities [Abstract]
Derivative liabilities (2)	51	59
Recurring \| Equity market contracts
Assets [Abstract]
Derivative assets (2)	577	349
Liabilities [Abstract]
Derivative liabilities (2)	270	319
Recurring \| U.S. corporate
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	88,970	87,959
Recurring \| Foreign corporate
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	60,058	60,589
Recurring \| Foreign government
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	40,047	40,748
Recurring \| RMBS
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	45,553	45,418
Recurring \| U.S. government and agency
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	35,949	37,522
Recurring \| ABS & CLO
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	25,036	22,897
Recurring \| Municipals
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	10,832	11,064
Recurring \| CMBS
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	9,665	9,734
Recurring \| Level 1
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	16,658	18,732
Equity securities	436	464
Unit-linked and FVO securities	8,134	8,606
Short-term investments (1)	3,571	2,761
Other investments	50	46
Derivative assets (2)	28	6
Market risk benefits, at estimated fair value	0	0
Reinsured MRB Assets (3)	0	0
Separate account assets (4)	75,066	77,488
Total assets (5)	103,943	108,103
Liabilities [Abstract]
Derivative liabilities (2)	15	6
Embedded derivatives within liability host contracts (6)	0	0
Market risk benefits, at estimated fair value	0	0
Total liabilities	15	6
Contractholder-directed equity securities, at estimated fair value	7,520	7,983
Fair value option securities, at estimated fair value	614	623
Notes Issued by Collateralized Financing Entities	0	0
Recurring \| Level 1 \| Interest rate
Assets [Abstract]
Derivative assets (2)	2	1
Liabilities [Abstract]
Derivative liabilities (2)	3	3
Recurring \| Level 1 \| Foreign currency exchange rate contracts
Assets [Abstract]
Derivative assets (2)	3	0
Liabilities [Abstract]
Derivative liabilities (2)	0	1
Recurring \| Level 1 \| Credit
Assets [Abstract]
Derivative assets (2)	0	0
Liabilities [Abstract]
Derivative liabilities (2)	0	0
Recurring \| Level 1 \| Equity market contracts
Assets [Abstract]
Derivative assets (2)	23	5
Liabilities [Abstract]
Derivative liabilities (2)	12	2
Recurring \| Level 1 \| U.S. corporate
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	0	0
Recurring \| Level 1 \| Foreign corporate
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	0	0
Recurring \| Level 1 \| Foreign government
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	0	0
Recurring \| Level 1 \| RMBS
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	0	0
Recurring \| Level 1 \| U.S. government and agency
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	16,658	18,732
Recurring \| Level 1 \| ABS & CLO
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	0	0
Recurring \| Level 1 \| Municipals
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	0	0
Recurring \| Level 1 \| CMBS
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	0	0
Recurring \| Level 2
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	263,501	263,303
Equity securities	143	77
Unit-linked and FVO securities	3,786	3,894
Short-term investments (1)	1,031	537
Other investments	0	0
Derivative assets (2)	7,601	7,005
Market risk benefits, at estimated fair value	0	0
Reinsured MRB Assets (3)	0	0
Separate account assets (4)	71,826	73,554
Total assets (5)	347,888	348,370
Liabilities [Abstract]
Derivative liabilities (2)	6,978	7,541
Embedded derivatives within liability host contracts (6)	0	0
Market risk benefits, at estimated fair value	0	0
Total liabilities	6,978	7,541
Contractholder-directed equity securities, at estimated fair value	2,478	2,571
Fair value option securities, at estimated fair value	1,308	1,323
Notes Issued by Collateralized Financing Entities	0	0
Recurring \| Level 2 \| Interest rate
Assets [Abstract]
Derivative assets (2)	2,621	2,601
Liabilities [Abstract]
Derivative liabilities (2)	3,802	3,763
Recurring \| Level 2 \| Foreign currency exchange rate contracts
Assets [Abstract]
Derivative assets (2)	4,227	3,905
Liabilities [Abstract]
Derivative liabilities (2)	2,867	3,403
Recurring \| Level 2 \| Credit
Assets [Abstract]
Derivative assets (2)	200	155
Liabilities [Abstract]
Derivative liabilities (2)	51	59
Recurring \| Level 2 \| Equity market contracts
Assets [Abstract]
Derivative assets (2)	553	344
Liabilities [Abstract]
Derivative liabilities (2)	258	316
Recurring \| Level 2 \| U.S. corporate
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	74,893	74,437
Recurring \| Level 2 \| Foreign corporate
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	42,945	43,761
Recurring \| Level 2 \| Foreign government
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	39,349	40,696
Recurring \| Level 2 \| RMBS
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	43,960	43,491
Recurring \| Level 2 \| U.S. government and agency
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	19,291	18,790
Recurring \| Level 2 \| ABS & CLO
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	22,975	21,747
Recurring \| Level 2 \| Municipals
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	10,832	11,063
Recurring \| Level 2 \| CMBS
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	9,256	9,318
Recurring \| Level 3
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	35,951	33,896
Equity securities	348	317
Unit-linked and FVO securities	1,515	1,459
Short-term investments (1)	101	42
Other investments	1,133	1,137
Derivative assets (2)	36	34
Market risk benefits, at estimated fair value	392	458
Reinsured MRB Assets (3)	383	293
Separate account assets (4)	794	891
Total assets (5)	40,653	38,527
Liabilities [Abstract]
Derivative liabilities (2)	0	1
Embedded derivatives within liability host contracts (6)	(152)	57
Market risk benefits, at estimated fair value	2,522	2,406
Total liabilities	3,508	3,670
Contractholder-directed equity securities, at estimated fair value	257	194
Fair value option securities, at estimated fair value	1,258	1,265
Notes Issued by Collateralized Financing Entities	1,138	1,206
Recurring \| Level 3 \| Interest rate
Assets [Abstract]
Derivative assets (2)	0	0
Liabilities [Abstract]
Derivative liabilities (2)	0	0
Recurring \| Level 3 \| Foreign currency exchange rate contracts
Assets [Abstract]
Derivative assets (2)	35	34
Liabilities [Abstract]
Derivative liabilities (2)	0	0
Recurring \| Level 3 \| Credit
Assets [Abstract]
Derivative assets (2)	0	0
Liabilities [Abstract]
Derivative liabilities (2)	0	0
Recurring \| Level 3 \| Equity market contracts
Assets [Abstract]
Derivative assets (2)	1	0
Liabilities [Abstract]
Derivative liabilities (2)	0	1
Recurring \| Level 3 \| U.S. corporate
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	14,077	13,522
Recurring \| Level 3 \| Foreign corporate
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	17,113	16,828
Recurring \| Level 3 \| Foreign government
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	698	52
Recurring \| Level 3 \| RMBS
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	1,593	1,927
Recurring \| Level 3 \| U.S. government and agency
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	0	0
Recurring \| Level 3 \| ABS & CLO
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	2,061	1,150
Recurring \| Level 3 \| Municipals
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	0	1
Recurring \| Level 3 \| CMBS
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	409	416
Other limited partnership interests \| Recurring
Assets [Abstract]
Investments, fair value	$ 40	$ 41

Investments for which the FVO has been elected, or are otherwise required to be carried at estimated fair value.

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