Fair Value Measurements - Carrying values and estimated fair values of our financial instruments not measured at fair value (Details) - USD ($) $ in Millions		Dec. 31, 2022		Dec. 31, 2021		Dec. 31, 2020
Assets:
Mortgage and other loans receivable	[1]	$ 49,605		$ 46,048
Other invested assets	[1]	15,953		15,668
Short-term investments	[1]	12,376		13,357
Cash		2,043	[1]	2,198	[1]	$ 2,827
Other assets	[1]	12,714		14,351
Liabilities:
Fortitude Re funds withheld payable		30,383		40,771
Other liabilities	[1]	26,456		28,704
Debt of consolidated investment entities		27,179		30,163
Estimated Fair Value
Assets:
Mortgage and other loans receivable		45,844		48,029
Other invested assets		854		877
Short-term investments		6,668		8,931
Cash		2,043		2,198
Other assets		33		32
Liabilities:
Policyholder contract deposits associated with investment-type contracts		131,963		143,143
Fortitude Re funds withheld payable		32,618		34,849
Other liabilities		3,101		3,704
Short-term and long-term debt		19,603		25,094
Debt of consolidated investment entities		5,533		6,390
Separate account liabilities - investment contracts		80,649		104,126
Carrying Value
Assets:
Mortgage and other loans receivable		49,442		46,033
Other invested assets		854		878
Short-term investments		6,668		8,931
Cash		2,043		2,198
Other assets		33		32
Liabilities:
Policyholder contract deposits associated with investment-type contracts		138,243		133,043
Fortitude Re funds withheld payable		32,618		34,849
Other liabilities		3,101		3,704
Short-term and long-term debt		21,243		21,870
Debt of consolidated investment entities		5,880		6,422
Separate account liabilities - investment contracts		80,649		104,126
Level 1 | Estimated Fair Value
Assets:
Mortgage and other loans receivable		0		0
Other invested assets		0		0
Short-term investments		0		0
Cash		2,043		2,198
Other assets		24		21
Liabilities:
Policyholder contract deposits associated with investment-type contracts		0		0
Fortitude Re funds withheld payable		0		0
Other liabilities		0		0
Short-term and long-term debt		0		0
Debt of consolidated investment entities		0		0
Separate account liabilities - investment contracts		0		0
Level 2 | Estimated Fair Value
Assets:
Mortgage and other loans receivable		89		82
Other invested assets		848		871
Short-term investments		6,668		8,931
Cash		0		0
Other assets		9		11
Liabilities:
Policyholder contract deposits associated with investment-type contracts		119		169
Fortitude Re funds withheld payable		0		0
Other liabilities		3,101		3,704
Short-term and long-term debt		19,328		24,758
Debt of consolidated investment entities		3,055		3,077
Separate account liabilities - investment contracts		80,649		104,126
Level 3 | Estimated Fair Value
Assets:
Mortgage and other loans receivable		45,755		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		131,844		142,974
Fortitude Re funds withheld payable		32,618		34,849
Other liabilities		0		0
Short-term and long-term debt		275		336
Debt of consolidated investment entities		2,478		3,313
Separate account liabilities - investment contracts		$ 0		$ 0

[1] See Note 9 for details of balances associated with variable interest entities.