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Fair Value - Gross Components of Purchases, Sales, Issuances and Settlements, net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Jan. 01, 2022
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases	$ 9,427	$ 5,418	$ 14,930	$ 12,658
Issuances	0	0	0	0
Sales	(268)	(1,416)	(327)	(3,734)
Settlements	(1,777)	(3,197)	(3,061)	(4,746)
Purchases, (Sales), Issuances, (Settlements)	7,382	805	11,542	4,178
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3	1,783	5,008	2,225	17,402
Transfers (out)	(2,695)	(13,463)	(3,258)	(19,793)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	(912)	(8,455)	(1,033)	(2,391)
Purchases	0	0	0	0
Issuances	(558)	(337)	(1,135)	(597)
Sales	0	0	0	0
Settlements	(162)	(127)	(306)	(276)
Purchases, (Sales), Issuances, (Settlements), Liabilities	(396)	(210)	(829)	(321)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3	0	0	0	0
Transfers (out)	0	0	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net	0	0	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	56,969	39,688	56,969	39,688	$ 50,833	$ 45,582	$ 51,565	$ 45,752
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value	10,992	7,990	10,992	7,990	9,585	8,525	9,666	10,908
Trading securities | Consolidated Entity, excluding Affiliated Entity
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases, (Sales), Issuances, (Settlements)	(3)	2	(7)	8
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	(2)	(33)	(11)	(13)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	38	58	38	58	42	53	90	69
Trading securities | Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases	25	7	27	36
Issuances	0	0	0	0
Sales	(37)	(787)	(37)	(1,052)
Settlements	(2)	(28)	(3)	(46)
Purchases, (Sales), Issuances, (Settlements)	(14)	(808)	(13)	(1,062)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3	0	1,443	0	1,443
Transfers (out)	0	0	0	(1,260)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	0	1,443	0	183
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	867	891	867	891	885	878	252	1,771
Trading securities | Variable Interest Entities
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases	10	0	20	0
Issuances	0	0	0	0
Sales	(18)	0	(30)	0
Settlements	0	0	0	0
Purchases, (Sales), Issuances, (Settlements)	(8)	0	(10)	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3	817	330	836	330
Transfers (out)	(28)	0	(31)	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	789	330	805	330
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	1,425	330	1,425	330	648	622	0	0
Trading securities | Consolidated Entity, Excluding Variable Interest Entities (VIE) and Investments in Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases			8	8
Issuances			0	0
Sales			0	0
Settlements			(15)	0
Purchases, (Sales), Issuances, (Settlements)			(7)	8
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3			5	39
Transfers (out)			(16)	(52)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net			(11)	(13)
Trading securities | Investments, excluding investments in Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases	8	2
Issuances	0	0
Sales	0	0
Settlements	(11)	0
Purchases, (Sales), Issuances, (Settlements)	(3)	2
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3	0	9
Transfers (out)	(2)	(42)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	(2)	(33)
Equity securities | Consolidated Entity, excluding Affiliated Entity
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases		0
Issuances		0
Sales		(3)
Settlements		0
Purchases, (Sales), Issuances, (Settlements)	0	(3)	0	(3)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3		19
Transfers (out)		(400)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	0	(381)	(13)	(381)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	67	62	67	62	71	92	438	429
Equity securities | Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases		0	0	0
Issuances		0	0	0
Sales		(119)	0	(119)
Settlements		0	(32)	0
Purchases, (Sales), Issuances, (Settlements)	0	(119)	(32)	(119)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3		125	0	125
Transfers (out)		0	0	(113)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	0	125	0	12
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	252	163	252	163	251	279	166	284
Equity securities | Consolidated Entity, Excluding Variable Interest Entities (VIE) and Investments in Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases			0	0
Issuances			0	0
Sales			0	(3)
Settlements			0	0
Purchases, (Sales), Issuances, (Settlements)			0	(3)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3			0	19
Transfers (out)			(13)	(400)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net			(13)	(381)
Investment funds | Consolidated Entity, excluding Affiliated Entity
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases, (Sales), Issuances, (Settlements)		0		0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net		0		0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value		19		19			19	18
Investment funds | Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases			32	0
Issuances			0	0
Sales			0	(34)
Settlements			0	0
Purchases, (Sales), Issuances, (Settlements)	0	0	32	(34)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3			0	0
Transfers (out)			0	(2,031)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	0	0	0	(2,031)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	1,061	818	1,061	818	1,034	959	814	2,855
Investment funds | Variable Interest Entities
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases	0	33	0	286
Issuances	0	0	0	0
Sales	0	(110)	(8)	(125)
Settlements	0	0	0	0
Purchases, (Sales), Issuances, (Settlements)	0	(77)	(8)	161
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3	327	1,006	475	11,087
Transfers (out)	(1,562)	(10,486)	(1,610)	(11,520)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	(1,235)	(9,480)	(1,135)	(433)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	1,351	1,053	1,351	1,053	2,581	2,471	10,577	1,297
Other | Variable Interest Entities
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases, (Sales), Issuances, (Settlements)		31
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net		(1,902)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value		31		31			1,902
Foreign governments | Available-for-sale Securities | Consolidated Entity, excluding Affiliated Entity
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases, (Sales), Issuances, (Settlements)		0	47
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net		0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	48	2	48	2		1	2
Foreign governments | Available-for-sale Securities | Consolidated Entity, Excluding Variable Interest Entities (VIE) and Investments in Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases	53
Issuances	0
Sales	0
Settlements	(6)
Purchases, (Sales), Issuances, (Settlements)	47
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3	0
Transfers (out)	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	0
Foreign governments | AFS securities | Consolidated Entity, excluding Affiliated Entity
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases, (Sales), Issuances, (Settlements)	47			0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	0			0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	48	2	48	2	1			2
Corporate | Available-for-sale Securities | Consolidated Entity, excluding Affiliated Entity
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases	1,104	129
Issuances	0	0
Sales	0	(2)
Settlements	(34)	(87)
Purchases, (Sales), Issuances, (Settlements)	1,070	40	1,196
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3	0	150
Transfers (out)	(244)	(43)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	(244)	107	(424)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	2,460	1,588	2,460	1,588		1,665	1,499
Corporate | Available-for-sale Securities | Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases	1	52	157
Issuances	0	0	0
Sales	0	0	0
Settlements	(3)	(10)	(6)
Purchases, (Sales), Issuances, (Settlements)	(2)	42	151
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3	215	53	215
Transfers (out)	0	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	215	53	215
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	1,171		1,171			812	761
Corporate | Available-for-sale Securities | Consolidated Entity, Excluding Variable Interest Entities (VIE) and Investments in Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases			1,312
Issuances			0
Sales			0
Settlements			(116)
Purchases, (Sales), Issuances, (Settlements)			1,196
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3			29
Transfers (out)			(453)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net			(424)
Corporate | AFS securities | Consolidated Entity, excluding Affiliated Entity
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases, (Sales), Issuances, (Settlements)	1,070			180
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	(244)			149
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	2,460	1,588	2,460	1,588	1,622			1,339
Corporate | AFS securities | Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases				367
Issuances				0
Sales				(217)
Settlements				(14)
Purchases, (Sales), Issuances, (Settlements)	(2)			136
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3				53
Transfers (out)				0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	215			53
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	1,171	849	1,171	849	959			670
Corporate | AFS securities | Consolidated Entity, Excluding Variable Interest Entities (VIE) and Investments in Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases				453
Issuances				0
Sales				(170)
Settlements				(103)
Purchases, (Sales), Issuances, (Settlements)				180
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3				193
Transfers (out)				(44)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net				149
CLO | Available-for-sale Securities | Consolidated Entity, excluding Affiliated Entity
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases		0
Issuances		0
Sales		0
Settlements		(2)
Purchases, (Sales), Issuances, (Settlements)		(2)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3		0
Transfers (out)		0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net		0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value		0		0			5
CLO | Available-for-sale Securities | Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases			185
Issuances			0
Sales			0
Settlements			0
Purchases, (Sales), Issuances, (Settlements)		0	185
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3			0
Transfers (out)			0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net		0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	495		495			303	332
CLO | AFS securities | Consolidated Entity, excluding Affiliated Entity
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases, (Sales), Issuances, (Settlements)				(12)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net				0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value		0		0				14
CLO | AFS securities | Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases				130
Issuances				0
Sales				0
Settlements				0
Purchases, (Sales), Issuances, (Settlements)	0			130
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3				0
Transfers (out)				0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	0			0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	495	325	495	325	498			202
CLO | AFS securities | Consolidated Entity, Excluding Variable Interest Entities (VIE) and Investments in Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases				0
Issuances				0
Sales				0
Settlements				(12)
Purchases, (Sales), Issuances, (Settlements)				(12)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3				0
Transfers (out)				0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net				0
RMBS | Available-for-sale Securities | Consolidated Entity, excluding Affiliated Entity
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases	0	68
Issuances	0	0
Sales	0	0
Settlements	(3)	0
Purchases, (Sales), Issuances, (Settlements)	(3)	68	(3)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3	5	0
Transfers (out)	(236)	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	(231)	0	(231)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	6	68	6	68		232	0
RMBS | Available-for-sale Securities | Consolidated Entity, Excluding Variable Interest Entities (VIE) and Investments in Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases			1	68
Issuances			0	0
Sales			0	0
Settlements			(4)	0
Purchases, (Sales), Issuances, (Settlements)			(3)	68
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3			5	0
Transfers (out)			(236)	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net			(231)	0
RMBS | Available-for-sale Securities | Investments, excluding investments in Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases, (Sales), Issuances, (Settlements)				68
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net				0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value		68		68				0
RMBS | AFS securities | Consolidated Entity, excluding Affiliated Entity
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases, (Sales), Issuances, (Settlements)	(3)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	(231)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	6		6		238
ABS | Available-for-sale Securities | Consolidated Entity, excluding Affiliated Entity
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases	1,033	746
Issuances	0	0
Sales	(20)	(341)
Settlements	(119)	(257)
Purchases, (Sales), Issuances, (Settlements)	894	148	1,049
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3	123	30
Transfers (out)	(623)	(304)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	(500)	(274)	(561)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	5,305	3,594	5,305	3,594		4,867	3,783
ABS | Available-for-sale Securities | Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases	1,072	899	2,706
Issuances	0	0	0
Sales	(162)	(6)	(162)
Settlements	(467)	(1,989)	(686)
Purchases, (Sales), Issuances, (Settlements)	443	(1,096)	1,858
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3	284	1,822	284
Transfers (out)	0	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	284	1,822	284
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	7,742		7,742			5,542	4,409
ABS | Available-for-sale Securities | Consolidated Entity, Excluding Variable Interest Entities (VIE) and Investments in Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases			1,331
Issuances			0
Sales			(20)
Settlements			(262)
Purchases, (Sales), Issuances, (Settlements)			1,049
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3			338
Transfers (out)			(899)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net			(561)
ABS | AFS securities | Consolidated Entity, excluding Affiliated Entity
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases, (Sales), Issuances, (Settlements)	894			0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	(500)			63
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	5,305	3,594	5,305	3,594	4,942			3,619
ABS | AFS securities | Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases				1,273
Issuances				0
Sales				(93)
Settlements				(2,421)
Purchases, (Sales), Issuances, (Settlements)	443			(1,241)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3				1,822
Transfers (out)				(1,864)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	284			(42)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	7,742	5,026	7,742	5,026	7,005			6,445
ABS | AFS securities | Consolidated Entity, Excluding Variable Interest Entities (VIE) and Investments in Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases				2,235
Issuances				0
Sales				(1,791)
Settlements				(444)
Purchases, (Sales), Issuances, (Settlements)				0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3				368
Transfers (out)				(305)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net				63
CMBS | Available-for-sale Securities | Consolidated Entity, excluding Affiliated Entity
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases		0
Issuances		0
Sales		0
Settlements		0
Purchases, (Sales), Issuances, (Settlements)	0	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3		0
Transfers (out)		(10)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	12	(10)	12
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	12	0	12	0	0	0	10
CMBS | Available-for-sale Securities | Consolidated Entity, Excluding Variable Interest Entities (VIE) and Investments in Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases	0		0
Issuances	0		0
Sales	0		0
Settlements	0		0
Purchases, (Sales), Issuances, (Settlements)	0		0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3	12		12
Transfers (out)	0		0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	12		12
CMBS | AFS securities | Consolidated Entity, excluding Affiliated Entity
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases, (Sales), Issuances, (Settlements)				0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net				(26)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value		0		0				43
CMBS | AFS securities | Consolidated Entity, Excluding Variable Interest Entities (VIE) and Investments in Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases				0
Issuances				0
Sales				0
Settlements				0
Purchases, (Sales), Issuances, (Settlements)				0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3				0
Transfers (out)				(26)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net				(26)
Foreign Government Debt | Available-for-sale Securities | Consolidated Entity, Excluding Variable Interest Entities (VIE) and Investments in Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases			53
Issuances			0
Sales			0
Settlements			(6)
Purchases, (Sales), Issuances, (Settlements)			47
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3			0
Transfers (out)			0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net			0
Mortgage loans | Consolidated Entity, excluding Affiliated Entity
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases, (Sales), Issuances, (Settlements)	4,914	2,549	7,158	5,835
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	0	0	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	34,668	25,218	34,668	25,218	29,949	27,454	23,696	21,154
Mortgage loans | Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases	0	36	0	182
Issuances	0	0	0	0
Sales	0	0	0	0
Settlements	(19)	(4)	(23)	(11)
Purchases, (Sales), Issuances, (Settlements)	(19)	32	(23)	171
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3	0	0	0	0
Transfers (out)	0	0	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	0	0	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	1,296	1,416	1,296	1,416	1,324	1,302	1,456	1,369
Mortgage loans | Variable Interest Entities
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases	13	0	59	0
Issuances	0	0	0	0
Sales	0	0	0	0
Settlements	(2)	(2)	(3)	(154)
Purchases, (Sales), Issuances, (Settlements)	11	(2)	56	(154)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3	0	21	0	21
Transfers (out)	0	(223)	0	(223)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	0	(202)	0	(202)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	2,113	1,626	2,113	1,626	2,119	2,055	1,880	2,152
Mortgage loans | Consolidated Entity, Excluding Variable Interest Entities (VIE) and Investments in Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases			8,665	7,477
Issuances			0	0
Sales			(63)	(130)
Settlements			(1,444)	(1,512)
Purchases, (Sales), Issuances, (Settlements)			7,158	5,835
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3			0	0
Transfers (out)			0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net			0	0
Mortgage loans | Investments, excluding investments in Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases	5,783	3,386
Issuances	0	0
Sales	(31)	(48)
Settlements	(838)	(789)
Purchases, (Sales), Issuances, (Settlements)	4,914	2,549
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3	0	0
Transfers (out)	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	0	0
Short-term investments | Consolidated Entity, excluding Affiliated Entity
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases, (Sales), Issuances, (Settlements)	0	0	(30)	30
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	0	0	26	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	30	58	30	58	30	36	59	29
Short-term investments | Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases				53
Issuances				0
Sales				0
Settlements				0
Purchases, (Sales), Issuances, (Settlements)		0		53
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3				0
Transfers (out)				(53)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net		(53)		(53)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value		0		0			53	0
Short-term investments | Consolidated Entity, Excluding Variable Interest Entities (VIE) and Investments in Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases			0	59
Issuances			0	0
Sales			0	0
Settlements			(30)	(29)
Purchases, (Sales), Issuances, (Settlements)			(30)	30
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3			26	0
Transfers (out)			0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net			26	0
Short-term investments | Investments, excluding investments in Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases		29
Issuances		0
Sales		0
Settlements		(29)
Purchases, (Sales), Issuances, (Settlements)		0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3		0
Transfers (out)		0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net		0
Short-term investments | Investments, excluding investments in Related Party | Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases		0
Issuances		0
Sales		0
Settlements		0
Purchases, (Sales), Issuances, (Settlements)		0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3		0
Transfers (out)		(53)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net		(53)
Reinsurance recoverable
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases, (Sales), Issuances, (Settlements)	0	0	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	0	0	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	1,436	1,580	1,436	1,580	1,470	1,388	1,814	1,991
Other | Consolidated Entity, excluding Affiliated Entity
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases, (Sales), Issuances, (Settlements)	52		(104)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	0		0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	337		337		286	441
Other | Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases			42
Issuances			0
Sales			0
Settlements			0
Purchases, (Sales), Issuances, (Settlements)	0		42
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3			0
Transfers (out)			0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	0		0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	343		343		338	303
Other | Variable Interest Entities
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases		31	5	31
Issuances		0	0	0
Sales		0	(7)	0
Settlements		0	0	0
Purchases, (Sales), Issuances, (Settlements)	0	31	(2)	31
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3		0	0	1,902
Transfers (out)		(1,902)	0	(1,902)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	0	(1,902)	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	99	31	99	31	97	99		0
Other | Consolidated Entity, Excluding Variable Interest Entities (VIE) and Investments in Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases			327
Issuances			0
Sales			0
Settlements			(431)
Purchases, (Sales), Issuances, (Settlements)			(104)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3			0
Transfers (out)			0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net			0
Other | Investments, excluding investments in Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases	325
Issuances	0
Sales	0
Settlements	(273)
Purchases, (Sales), Issuances, (Settlements)	52
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3	0
Transfers (out)	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	0
Embedded derivatives | Funds withheld at interest | Consolidated Entity, excluding Affiliated Entity
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases, (Sales), Issuances, (Settlements)	0	0	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	0	0	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	(4,356)	(3,958)	(4,356)	(3,958)	(4,291)	(4,847)	(1,882)	0
Embedded derivatives | Funds withheld at interest | Related Party
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases, (Sales), Issuances, (Settlements)	0	0	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	0	0	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	(1,297)	(1,129)	(1,297)	(1,129)	(1,266)	(1,425)	(570)	0
Interest sensitive contract liabilities | Universal life
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases, (Sales), Issuances, (Settlements), Liabilities	0	0	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net	0	0	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value	854	943	854	943	879	829	1,096	1,235
Interest sensitive contract liabilities | Embedded derivatives
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases	0	0	0	0
Issuances	(558)	(337)	(1,135)	(597)
Sales	0	0	0	0
Settlements	(162)	(127)	(306)	(276)
Purchases, (Sales), Issuances, (Settlements), Liabilities	(396)	(210)	(829)	(321)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3	0	0	0	0
Transfers (out)	0	0	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net	0	0	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value	8,198	5,176	8,198	5,176	6,747	5,841	6,485	7,408
Derivative Financial Instruments, Liabilities
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases, (Sales), Issuances, (Settlements), Liabilities	0	0	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net	0	0	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value	1	1	1	1	1	1	3	3
Future policy benefits | AmerUs Closed Block
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases, (Sales), Issuances, (Settlements), Liabilities	0	0	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net	0	0	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value	1,159	1,247	1,159	1,247	1,190	1,164	1,378	1,520
Future policy benefits | ILICO Closed Block and life benefits
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases, (Sales), Issuances, (Settlements), Liabilities	0	0	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net	0	0	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value	571	$ 623	571	$ 623	579	548	$ 704	$ 742
Other liabilities
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases, (Sales), Issuances, (Settlements), Liabilities	0		0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net	0		0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value	$ 209		$ 209		$ 189	$ 142

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- Definition

[Line Items] for Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table]

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