Fair Value Measurements - Carrying values and estimated fair values of our financial instruments not measured at fair value (Details) - USD ($) $ in Millions		Jun. 30, 2022		Dec. 31, 2021		Jun. 30, 2021
Assets:
Mortgage and other loans receivable	[1]	$ 49,314		$ 46,048
Other invested assets	[1]	16,040		15,668
Short-term investments	[1]	9,446		13,357
Cash		2,378	[1]	2,198	[1]	$ 2,760
Other assets	[1]	13,863		14,351
Liabilities:
Fortitude Re funds withheld payable		32,970		40,771
Other liabilities	[1]	28,044		28,704
Consolidated VIE
Assets:
Mortgage and other loans receivable		2,320		2,523
Short-term investments		387		638
Cash		86		96
Other assets		262		748
Liabilities:
Other liabilities		149		844
Long-term debt		6,064		6,247
Estimated Fair Value
Assets:
Mortgage and other loans receivable		47,346		48,029
Other invested assets		839		877
Short-term investments		6,015		8,931
Cash		2,378		2,198
Other assets		69		32
Liabilities:
Policyholder contract deposits associated with investment-type contracts		141,861		143,143
Fortitude Re funds withheld payable		33,608		34,849
Other liabilities		3,481		3,704
Long-term debt		19,470		25,094
Separate account liabilities - investment contracts		82,317		104,126
Estimated Fair Value | Consolidated VIE
Liabilities:
Long-term debt		6,078		6,390
Carrying Value
Assets:
Mortgage and other loans receivable		49,205		46,033
Other invested assets		839		878
Short-term investments		6,015		8,931
Cash		2,378		2,198
Other assets		69		32
Liabilities:
Policyholder contract deposits associated with investment-type contracts		135,820		133,043
Fortitude Re funds withheld payable		33,608		34,849
Other liabilities		3,481		3,704
Long-term debt		20,522		21,870
Separate account liabilities - investment contracts		82,317		104,126
Carrying Value | Consolidated VIE
Liabilities:
Long-term debt		6,252		6,422
Level 1 | Estimated Fair Value
Assets:
Mortgage and other loans receivable		0		0
Other invested assets		0		0
Short-term investments		0		0
Cash		2,378		2,198
Other assets		57		21
Liabilities:
Policyholder contract deposits associated with investment-type contracts		0		0
Fortitude Re funds withheld payable		0		0
Other liabilities		0		0
Long-term debt		0		0
Separate account liabilities - investment contracts		0		0
Level 1 | Estimated Fair Value | Consolidated VIE
Liabilities:
Long-term debt		0		0
Level 2 | Estimated Fair Value
Assets:
Mortgage and other loans receivable		59		82
Other invested assets		833		871
Short-term investments		6,015		8,931
Cash		0		0
Other assets		12		11
Liabilities:
Policyholder contract deposits associated with investment-type contracts		142		169
Fortitude Re funds withheld payable		0		0
Other liabilities		3,481		3,704
Long-term debt		19,175		24,758
Separate account liabilities - investment contracts		82,317		104,126
Level 2 | Estimated Fair Value | Consolidated VIE
Liabilities:
Long-term debt		3,078		3,077
Level 3 | Estimated Fair Value
Assets:
Mortgage and other loans receivable		47,287		47,947
Other invested assets		6		6
Short-term investments		0		0
Cash		0		0
Other assets		0		0
Liabilities:
Policyholder contract deposits associated with investment-type contracts		141,719		142,974
Fortitude Re funds withheld payable		33,608		34,849
Other liabilities		0		0
Long-term debt		295		336
Separate account liabilities - investment contracts		0		0
Level 3 | Estimated Fair Value | Consolidated VIE
Liabilities:
Long-term debt		$ 3,000		$ 3,313

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