Fair Value Measurements - Carrying values and estimated fair values of our financial instruments not measured at fair value (Details) - USD ($) $ in Millions		Jun. 30, 2023		Dec. 31, 2022		Jun. 30, 2022	Jan. 01, 2021
Assets:
Mortgage and other loans receivable	[1]	$ 51,605		$ 49,605
Other invested assets	[1]	16,067		15,953
Short-term investments	[1]	10,955		12,376
Cash		2,283	[1]	2,043	[1]	$ 2,378
Other assets		12,832	[1]	12,384	[1]		$ 13,520
Liabilities:
Fortitude Re funds withheld payable		29,588		30,383
Other liabilities		24,496	[1]	26,757	[1]		$ 27,520
Liabilities held for sale		9,595		0
Estimated Fair Value
Assets:
Mortgage and other loans receivable		48,000		45,844
Other invested assets		859		854
Short-term investments		6,677		6,668
Cash		2,283		2,043
Other assets		37		33
Liabilities:
Policyholder contract deposits associated with investment-type contracts		136,133		129,293
Fortitude Re funds withheld payable		31,706		32,618
Other liabilities		532		3,101
Short-term and long-term debt*		19,656		19,603
Debt of consolidated investment entities		2,765		5,533
Separate account liabilities - investment contracts		85,761		80,649
Carrying Value
Assets:
Mortgage and other loans receivable		51,569		49,442
Other invested assets		858		854
Short-term investments		6,677		6,668
Cash		2,283		2,043
Other assets		37		33
Liabilities:
Policyholder contract deposits associated with investment-type contracts		139,239		137,086
Fortitude Re funds withheld payable		31,706		32,618
Other liabilities		532		3,101
Short-term and long-term debt*		21,302		21,243
Debt of consolidated investment entities		2,793		5,880
Separate account liabilities - investment contracts		85,761		80,649
Liabilities held for sale		267
Level 1 | Estimated Fair Value
Assets:
Mortgage and other loans receivable		0		0
Other invested assets		0		0
Short-term investments		0		0
Cash		2,283		2,043
Other assets		35		24
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		273		89
Other invested assets		853		848
Short-term investments		6,677		6,668
Cash		0		0
Other assets		2		9
Liabilities:
Policyholder contract deposits associated with investment-type contracts		106		119
Fortitude Re funds withheld payable		0		0
Other liabilities		532		3,101
Short-term and long-term debt*		19,395		19,328
Debt of consolidated investment entities		89		3,055
Separate account liabilities - investment contracts		85,761		80,649
Level 3 | Estimated Fair Value
Assets:
Mortgage and other loans receivable		47,727		45,755
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		136,027		129,174
Fortitude Re funds withheld payable		31,706		32,618
Other liabilities		0		0
Short-term and long-term debt*		261		275
Debt of consolidated investment entities		2,676		2,478
Separate account liabilities - investment contracts		$ 0		$ 0

[1] See Note 10 for details of balances associated with variable interest entities.