Investments (Fixed Maturities Securities Excluding Investments Classified as Trading) (Details) - USD ($) $ in Millions		Jun. 30, 2023	Dec. 31, 2022
Summary Of Investments Other Than Investments In Related Parties Reportable Data [Line Items]
Fixed Maturities, available-for-sale, Amortized Cost		$ 333,311	$ 335,447
Fixed Maturities, AFS, allowance for credit losses		276	138
Fair Value	[1]	312,230	307,719
Amortized Cost	[1]	1,171	1,296
Fixed Maturities, Held-to maturity, Fair Value		1,329	1,455
Fixed Maturities, HTM, allowance for credit losses		2	2
Fixed maturities
Summary Of Investments Other Than Investments In Related Parties Reportable Data [Line Items]
Fixed Maturities, available-for-sale, Amortized Cost		333,311	335,447
Gross Unrealized Gains		9,612	8,449
Gross Unrealized Losses		30,417	36,039
Fixed Maturities, AFS, allowance for credit losses		276	138
Fair Value		312,230	307,719
Amortized Cost		1,173	1,298
Gross Unrealized Gains		156	157
Gross Unrealized Losses		0	0
Fixed Maturities, Held-to maturity, Fair Value		1,329	1,455
Fixed Maturities, HTM, allowance for credit losses		2	2
Amortized Cost, Net of Allowance		1,171	1,296
Fixed maturities | U.S. Treasury securities and obligations of U.S. government authorities and agencies
Summary Of Investments Other Than Investments In Related Parties Reportable Data [Line Items]
Fixed Maturities, available-for-sale, Amortized Cost		27,215	29,372
Gross Unrealized Gains		1,122	1,110
Gross Unrealized Losses		3,795	4,413
Fixed Maturities, AFS, allowance for credit losses		0	0
Fair Value		24,542	26,069
Fixed maturities | Obligations of U.S. states and their political subdivisions
Summary Of Investments Other Than Investments In Related Parties Reportable Data [Line Items]
Fixed Maturities, available-for-sale, Amortized Cost		10,205	10,179
Gross Unrealized Gains		256	238
Gross Unrealized Losses		575	728
Fixed Maturities, AFS, allowance for credit losses		0	0
Fair Value		9,886	9,689
Fixed maturities | Foreign government bonds
Summary Of Investments Other Than Investments In Related Parties Reportable Data [Line Items]
Fixed Maturities, available-for-sale, Amortized Cost		70,205	74,103
Gross Unrealized Gains		5,149	4,503
Gross Unrealized Losses		3,090	5,379
Fixed Maturities, AFS, allowance for credit losses		56	1
Fair Value		72,208	73,226
Amortized Cost		661	725
Gross Unrealized Gains		129	128
Gross Unrealized Losses		0	0
Fixed Maturities, Held-to maturity, Fair Value		790	853
Fixed Maturities, HTM, allowance for credit losses		0	0
Amortized Cost, Net of Allowance		661	725
Fixed maturities | U.S. public corporate securities
Summary Of Investments Other Than Investments In Related Parties Reportable Data [Line Items]
Fixed Maturities, available-for-sale, Amortized Cost		103,794	99,854
Gross Unrealized Gains		1,492	1,311
Gross Unrealized Losses		12,068	13,563
Fixed Maturities, AFS, allowance for credit losses		78	16
Fair Value		93,140	87,586
Fixed maturities | U.S. private corporate securities
Summary Of Investments Other Than Investments In Related Parties Reportable Data [Line Items]
Fixed Maturities, available-for-sale, Amortized Cost		40,327	39,867
Gross Unrealized Gains		686	507
Gross Unrealized Losses		3,295	3,438
Fixed Maturities, AFS, allowance for credit losses		45	57
Fair Value		37,673	36,879
Fixed maturities | Foreign public corporate securities
Summary Of Investments Other Than Investments In Related Parties Reportable Data [Line Items]
Fixed Maturities, available-for-sale, Amortized Cost		21,345	22,235
Gross Unrealized Gains		407	416
Gross Unrealized Losses		1,659	1,945
Fixed Maturities, AFS, allowance for credit losses		56	19
Fair Value		20,037	20,687
Amortized Cost		395	430
Gross Unrealized Gains		21	24
Gross Unrealized Losses		0	0
Fixed Maturities, Held-to maturity, Fair Value		416	454
Fixed Maturities, HTM, allowance for credit losses		2	2
Amortized Cost, Net of Allowance		393	428
Fixed maturities | Foreign private corporate securities
Summary Of Investments Other Than Investments In Related Parties Reportable Data [Line Items]
Fixed Maturities, available-for-sale, Amortized Cost		33,390	32,755
Gross Unrealized Gains		261	150
Gross Unrealized Losses		4,602	5,201
Fixed Maturities, AFS, allowance for credit losses		40	44
Fair Value		29,009	27,660
Fixed maturities | Asset-backed securities
Summary Of Investments Other Than Investments In Related Parties Reportable Data [Line Items]
Fixed Maturities, available-for-sale, Amortized Cost		13,301	12,972
Gross Unrealized Gains		216	166
Gross Unrealized Losses		204	286
Fixed Maturities, AFS, allowance for credit losses		1	1
Fair Value		13,312	12,851
Fixed maturities | Commercial mortgage-backed securities
Summary Of Investments Other Than Investments In Related Parties Reportable Data [Line Items]
Fixed Maturities, available-for-sale, Amortized Cost		11,029	11,497
Gross Unrealized Gains		5	19
Gross Unrealized Losses		909	861
Fixed Maturities, AFS, allowance for credit losses		0	0
Fair Value		10,125	10,655
Fixed maturities | Residential mortgage-backed securities
Summary Of Investments Other Than Investments In Related Parties Reportable Data [Line Items]
Fixed Maturities, available-for-sale, Amortized Cost		2,500	2,613
Gross Unrealized Gains		18	29
Gross Unrealized Losses		220	225
Fixed Maturities, AFS, allowance for credit losses		0	0
Fair Value		2,298	2,417
Amortized Cost		117	143
Gross Unrealized Gains		6	5
Gross Unrealized Losses		0	0
Fixed Maturities, Held-to maturity, Fair Value		123	148
Fixed Maturities, HTM, allowance for credit losses		0	0
Amortized Cost, Net of Allowance		117	143
Prudential Netting Agreement | Fixed maturities
Summary Of Investments Other Than Investments In Related Parties Reportable Data [Line Items]
Amortized Cost		4,000	4,250
Fixed Maturities, Held-to maturity, Fair Value		4,000	4,250
Prudential Netting Agreement | Fixed maturities | U.S. private corporate securities
Summary Of Investments Other Than Investments In Related Parties Reportable Data [Line Items]
Fixed Maturities, available-for-sale, Amortized Cost		8,290	8,040
Fair Value		$ 8,290	$ 8,040

[1] See Note 4 for details of balances associated with variable interest entities.