Fair Value (Recurring Fair Value Measurements) (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	$ 270,765	$ 340,274
Equity securities	973	1,269
Unit-linked and FVO Securities (2)	8,954	12,142
Short-term investments (3)	5,266	7,176
Residential mortgage loans — FVO	82,437	79,353
Derivative assets	14,193	10,466
Separate account assets	135,771	179,873
Liabilities [Abstract]
Derivative liabilities	8,185	3,852
Embedded derivatives within liability host contracts	767	649
Separate account liabilities	135,771	179,873
Residential mortgage loans - FVO
Assets [Abstract]
Residential mortgage loans — FVO	0	127
Recurring
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	270,765	340,274
Equity securities	973	1,269
Unit-linked and FVO Securities (2)	8,954	12,142
Short-term investments (3)	4,813	6,560
Other investments	1,098	959
Derivative assets	14,193	10,466
Embedded derivatives within asset host contracts	27	38
Separate account assets	135,771	179,873
Total assets (7)	436,594	551,708
Liabilities [Abstract]
Derivative liabilities	8,185	3,852
Embedded derivatives within liability host contracts	767	649
Total liabilities	9,002	4,526
Recurring \| Interest rate
Assets [Abstract]
Derivative assets	4,919	6,678
Liabilities [Abstract]
Derivative liabilities	3,116	281
Recurring \| Foreign currency exchange rate contracts
Assets [Abstract]
Derivative assets	7,851	2,554
Liabilities [Abstract]
Derivative liabilities	4,584	2,920
Recurring \| Credit
Assets [Abstract]
Derivative assets	110	190
Liabilities [Abstract]
Derivative liabilities	168	125
Recurring \| Equity market contracts
Assets [Abstract]
Derivative assets	1,313	1,044
Liabilities [Abstract]
Derivative liabilities	317	526
Recurring \| Derivative Liabilities Within Separate Accounts
Liabilities [Abstract]
Separate account liabilities	50	25
Recurring \| Residential mortgage loans - FVO
Assets [Abstract]
Residential mortgage loans — FVO	0	127
Recurring \| U.S. corporate
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	78,824	93,034
Recurring \| Foreign corporate
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	49,927	63,640
Recurring \| Foreign government
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	44,050	61,609
Recurring \| U.S. government and agency
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	31,562	46,599
Recurring \| RMBS
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	27,145	30,404
Recurring \| ABS & CLO
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	16,766	18,569
Recurring \| Municipals
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	12,014	14,212
Recurring \| CMBS
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	10,477	12,207
Recurring \| Level 1
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	15,587	25,489
Equity securities	592	931
Unit-linked and FVO Securities (2)	6,541	9,173
Short-term investments (3)	4,073	5,607
Other investments	0	0
Derivative assets	31	16
Embedded derivatives within asset host contracts	0	0
Separate account assets	56,923	76,312
Total assets (7)	83,747	117,528
Liabilities [Abstract]
Derivative liabilities	15	7
Embedded derivatives within liability host contracts	0	0
Total liabilities	27	14
Recurring \| Level 1 \| Interest rate
Assets [Abstract]
Derivative assets	2	4
Liabilities [Abstract]
Derivative liabilities	6	0
Recurring \| Level 1 \| Foreign currency exchange rate contracts
Assets [Abstract]
Derivative assets	0	0
Liabilities [Abstract]
Derivative liabilities	4	2
Recurring \| Level 1 \| Credit
Assets [Abstract]
Derivative assets	0	0
Liabilities [Abstract]
Derivative liabilities	0	0
Recurring \| Level 1 \| Equity market contracts
Assets [Abstract]
Derivative assets	29	12
Liabilities [Abstract]
Derivative liabilities	5	5
Recurring \| Level 1 \| Derivative Liabilities Within Separate Accounts
Liabilities [Abstract]
Separate account liabilities	12	7
Recurring \| Level 1 \| Residential mortgage loans - FVO
Assets [Abstract]
Residential mortgage loans — FVO	0	0
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 \| U.S. government and agency
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	15,493	25,482
Recurring \| Level 1 \| RMBS
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	94	7
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	229,571	283,388
Equity securities	212	187
Unit-linked and FVO Securities (2)	1,690	2,068
Short-term investments (3)	735	950
Other investments	176	61
Derivative assets	14,060	10,326
Embedded derivatives within asset host contracts	0	0
Separate account assets	77,612	101,424
Total assets (7)	324,056	398,404
Liabilities [Abstract]
Derivative liabilities	7,397	3,569
Embedded derivatives within liability host contracts	0	0
Total liabilities	7,414	3,581
Recurring \| Level 2 \| Interest rate
Assets [Abstract]
Derivative assets	4,917	6,577
Liabilities [Abstract]
Derivative liabilities	2,584	259
Recurring \| Level 2 \| Foreign currency exchange rate contracts
Assets [Abstract]
Derivative assets	7,825	2,551
Liabilities [Abstract]
Derivative liabilities	4,369	2,676
Recurring \| Level 2 \| Credit
Assets [Abstract]
Derivative assets	41	173
Liabilities [Abstract]
Derivative liabilities	132	113
Recurring \| Level 2 \| Equity market contracts
Assets [Abstract]
Derivative assets	1,277	1,025
Liabilities [Abstract]
Derivative liabilities	312	521
Recurring \| Level 2 \| Derivative Liabilities Within Separate Accounts
Liabilities [Abstract]
Separate account liabilities	17	12
Recurring \| Level 2 \| Residential mortgage loans - FVO
Assets [Abstract]
Residential mortgage loans — FVO	0	0
Recurring \| Level 2 \| U.S. corporate
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	68,532	81,266
Recurring \| Level 2 \| Foreign corporate
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	39,718	49,973
Recurring \| Level 2 \| Foreign government
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	43,989	61,518
Recurring \| Level 2 \| U.S. government and agency
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	16,069	21,117
Recurring \| Level 2 \| RMBS
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	24,684	27,270
Recurring \| Level 2 \| ABS & CLO
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	14,792	16,707
Recurring \| Level 2 \| Municipals
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	12,014	14,212
Recurring \| Level 2 \| CMBS
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	9,773	11,325
Recurring \| Level 3
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	25,607	31,397
Equity securities	169	151
Unit-linked and FVO Securities (2)	723	901
Short-term investments (3)	5	3
Other investments	922	898
Derivative assets	102	124
Embedded derivatives within asset host contracts	27	38
Separate account assets	1,236	2,137
Total assets (7)	28,791	35,776
Liabilities [Abstract]
Derivative liabilities	773	276
Embedded derivatives within liability host contracts	767	649
Total liabilities	1,561	931
Recurring \| Level 3 \| Interest rate
Assets [Abstract]
Derivative assets	0	97
Liabilities [Abstract]
Derivative liabilities	526	22
Recurring \| Level 3 \| Foreign currency exchange rate contracts
Assets [Abstract]
Derivative assets	26	3
Liabilities [Abstract]
Derivative liabilities	211	242
Recurring \| Level 3 \| Credit
Assets [Abstract]
Derivative assets	69	17
Liabilities [Abstract]
Derivative liabilities	36	12
Recurring \| Level 3 \| Equity market contracts
Assets [Abstract]
Derivative assets	7	7
Liabilities [Abstract]
Derivative liabilities	0	0
Recurring \| Level 3 \| Derivative Liabilities Within Separate Accounts
Liabilities [Abstract]
Separate account liabilities	21	6
Recurring \| Level 3 \| Residential mortgage loans - FVO
Assets [Abstract]
Residential mortgage loans — FVO	0	127
Recurring \| Level 3 \| U.S. corporate
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	10,292	11,768
Recurring \| Level 3 \| Foreign corporate
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	10,209	13,667
Recurring \| Level 3 \| Foreign government
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	61	91
Recurring \| Level 3 \| U.S. government and agency
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	0	0
Recurring \| Level 3 \| RMBS
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	2,367	3,127
Recurring \| Level 3 \| ABS & CLO
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	1,974	1,862
Recurring \| Level 3 \| Municipals
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	0	0
Recurring \| Level 3 \| CMBS
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	704	882
Other limited partnership interests \| Recurring
Assets [Abstract]
Investments, Fair Value Disclosure	$ 72	$ 99

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

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