Variable Interest Entities - Unconsolidated VIEs (Details) - USD ($) $ in Millions		Jun. 30, 2022	Dec. 31, 2021
VARIABLE INTEREST ENTITY
Total VIE Assets		$ 538,938	$ 596,112
Other invested assets	[1]	16,040	15,668
Real Estate and Investment Entities
VARIABLE INTEREST ENTITY
Maximum Exposure to Loss, Off-Balance Sheet		2,400	2,200
Unconsolidated VIE
VARIABLE INTEREST ENTITY
Total VIE Assets		502,138	459,073
Maximum Exposure to Loss, On-Balance Sheet		8,406	7,887
Maximum Exposure to Loss, Off-Balance Sheet		4,312	3,976
Total		12,718	11,863
Other invested assets		8,300	7,800
Unconsolidated VIE | Real Estate and Investment Entities
VARIABLE INTEREST ENTITY
Total VIE Assets		500,408	457,335
Maximum Exposure to Loss, On-Balance Sheet		8,134	7,650
Maximum Exposure to Loss, Off-Balance Sheet		3,668	3,448
Total		11,802	11,098
Unconsolidated VIE | Other Investment Companies
VARIABLE INTEREST ENTITY
Total VIE Assets		1,730	1,738
Maximum Exposure to Loss, On-Balance Sheet		272	237
Maximum Exposure to Loss, Off-Balance Sheet		644	528
Total		$ 916	$ 765

[1] See Note 8 for details of balances associated with variable interest entities.