Fair Value Measurements - Carrying values and estimated fair values of our financial instruments not measured at fair value (Details) - USD ($) $ in Millions		Sep. 30, 2022		Dec. 31, 2021		Sep. 30, 2021
Assets:
Mortgage and other loans receivable	[1]	$ 48,124		$ 46,048
Other invested assets	[1]	15,794		15,668
Short-term investments	[1]	14,663		13,357
Cash		2,294	[1]	2,198	[1]	$ 2,699
Other assets	[1]	12,868		14,351
Liabilities:
Fortitude Re funds withheld payable		30,424		40,771
Other liabilities	[1]	25,077		28,704
Estimated Fair Value
Assets:
Mortgage and other loans receivable		44,397		48,029
Other invested assets		875		877
Short-term investments		9,319		8,931
Cash		2,294		2,198
Other assets		69		32
Liabilities:
Policyholder contract deposits associated with investment-type contracts		138,530		143,143
Fortitude Re funds withheld payable		32,929		34,849
Other liabilities		207		3,704
Short-term and long-term debt		19,327		25,094
Debt of consolidated investment entities		5,752		6,390
Separate account liabilities - investment contracts		77,070		104,126
Carrying Value
Assets:
Mortgage and other loans receivable		47,954		46,033
Other invested assets		871		878
Short-term investments		9,319		8,931
Cash		2,294		2,198
Other assets		69		32
Liabilities:
Policyholder contract deposits associated with investment-type contracts		138,255		133,043
Fortitude Re funds withheld payable		32,929		34,849
Other liabilities		207		3,704
Short-term and long-term debt		22,895		21,870
Debt of consolidated investment entities		5,924		6,422
Separate account liabilities - investment contracts		77,070		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		2,294		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
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		56		82
Other invested assets		869		871
Short-term investments		9,319		8,931
Cash		0		0
Other assets		12		11
Liabilities:
Policyholder contract deposits associated with investment-type contracts		132		169
Fortitude Re funds withheld payable		0		0
Other liabilities		207		3,704
Short-term and long-term debt		19,054		24,758
Debt of consolidated investment entities		3,039		3,077
Separate account liabilities - investment contracts		77,070		104,126
Level 3 | Estimated Fair Value
Assets:
Mortgage and other loans receivable		44,341		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		138,398		142,974
Fortitude Re funds withheld payable		32,929		34,849
Other liabilities		0		0
Short-term and long-term debt		273		336
Debt of consolidated investment entities		2,713		3,313
Separate account liabilities - investment contracts		$ 0		$ 0

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