Investments - Unrealized Losses on AFS Securities (Details) $ in Millions	Jun. 30, 2022 USD ($) security	Dec. 31, 2021 USD ($)
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 months	$ 91,008	$ 38,067
Fair Value, 12 months or greater	0	3,216
Total	91,008	41,283
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(14,852)	(802)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	139
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(14,852)	(941)
Consolidated Entity, excluding Affiliated Entity
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 months	83,290	32,708
Fair Value, 12 months or greater	0	3,040
Total	83,290	35,748
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(14,428)	(728)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	135
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	$ (14,428)	(863)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions \| security	0
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions \| security	8,475
Related Party
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 months	$ 7,718	5,359
Fair Value, 12 months or greater	0	176
Total	7,718	5,535
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(424)	(74)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	4
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	$ (424)	(78)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions \| security	0
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions \| security	140
U.S. government and agencies \| Consolidated Entity, excluding Affiliated Entity
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 months	$ 2,601	164
Fair Value, 12 months or greater	0	22
Total	2,601	186
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(484)	(8)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	2
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(484)	(10)
U.S. state, municipal and political subdivisions \| Consolidated Entity, excluding Affiliated Entity
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 months	994	122
Fair Value, 12 months or greater	0	1
Total	994	123
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(209)	(2)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	0
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(209)	(2)
Foreign governments \| Consolidated Entity, excluding Affiliated Entity
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 months	875	387
Fair Value, 12 months or greater	0	1
Total	875	388
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(246)	(17)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	0
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(246)	(17)
Corporate \| Consolidated Entity, excluding Affiliated Entity
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 months	55,289	18,995
Fair Value, 12 months or greater	0	863
Total	55,289	19,858
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(11,339)	(523)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	59
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(11,339)	(582)
Corporate \| Related Party
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 months	472	313
Fair Value, 12 months or greater	0	0
Total	472	313
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(31)	(2)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	0
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(31)	(2)
CLO \| Consolidated Entity, excluding Affiliated Entity
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 months	12,194	7,685
Fair Value, 12 months or greater	0	1,537
Total	12,194	9,222
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(1,134)	(124)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	35
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(1,134)	(159)
CLO \| Related Party
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 months	2,405	1,245
Fair Value, 12 months or greater	0	163
Total	2,405	1,408
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(233)	(20)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	3
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(233)	(23)
ABS \| Consolidated Entity, excluding Affiliated Entity
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 months	5,975	4,038
Fair Value, 12 months or greater	0	165
Total	5,975	4,203
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(478)	(16)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	12
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(478)	(28)
ABS \| Related Party
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 months	4,841	3,801
Fair Value, 12 months or greater	0	13
Total	4,841	3,814
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(160)	(52)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	1
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(160)	(53)
CMBS \| Consolidated Entity, excluding Affiliated Entity
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 months	2,373	880
Fair Value, 12 months or greater	0	177
Total	2,373	1,057
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(274)	(29)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	22
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(274)	(51)
RMBS \| Consolidated Entity, excluding Affiliated Entity
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 months	2,989	437
Fair Value, 12 months or greater	0	274
Total	2,989	711
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(264)	(9)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	5
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	$ (264)	$ (14)

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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