Variable Interest Entities - Consolidated VIEs (Details) - USD ($) $ in Millions		Jun. 30, 2022		Dec. 31, 2021		Jun. 30, 2021
Assets:
Bonds available for sale	[1]	$ 232,735		$ 277,202
Other bond securities	[1]	6,898		6,278
Equity securities	[1]	629		739
Mortgage and other loans receivable	[1]	49,314		46,048
Investment real estate		2,565		2,727
Short-term investments	[1]	9,446		13,357
Cash		2,378	[1]	2,198	[1]	$ 2,760
Accrued investment income	[1]	2,232		2,239
Other assets	[1]	13,863		14,351
Total assets		538,938		596,112
Liabilities:
Other	[1]	28,044		28,704
Total liabilities		492,114		527,200
Real Estate and Investment Entities
Liabilities:
Off-balance sheet exposure associated with VIEs		2,400		2,200
Real Estate and Investment Entities | External parties
Liabilities:
Off-balance sheet exposure associated with VIEs		600		600
Consolidated VIE
Assets:
Bonds available for sale		5,359		5,543
Other bond securities		1,442		1,852
Equity securities		55		223
Mortgage and other loans receivable		2,320		2,523
Alternative investments		2,901		3,017
Investment real estate		2,145		2,257
Short-term investments		387		638
Cash		86		96
Accrued investment income		17		17
Other assets		262		748
Total assets		14,974		16,914
Liabilities:
Long-term debt		6,064		6,247
Other		149		844
Total liabilities		6,213		7,091
Consolidated VIE | Real Estate and Investment Entities
Assets:
Bonds available for sale		0		0
Other bond securities		0		0
Equity securities		55		223
Mortgage and other loans receivable		0		0
Alternative investments		2,901		3,017
Investment real estate		2,145		2,257
Short-term investments		245		487
Cash		86		96
Accrued investment income		0		0
Other assets		165		190
Total assets		5,597		6,270
Liabilities:
Long-term debt		1,633		1,743
Other		107		122
Total liabilities		1,740		1,865
Consolidated VIE | Securitization Vehicles
Assets:
Bonds available for sale		5,359		5,543
Other bond securities		1,442		1,852
Equity securities		0		0
Mortgage and other loans receivable		2,320		2,523
Alternative investments		0		0
Investment real estate		0		0
Short-term investments		142		151
Cash		0		0
Accrued investment income		17		17
Other assets		97		558
Total assets		9,377		10,644
Liabilities:
Long-term debt		4,431		4,504
Other		42		722
Total liabilities		$ 4,473		$ 5,226

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