Variable Interest Entities - Consolidated VIEs (Details) - USD ($) $ in Millions		Mar. 31, 2024		Dec. 31, 2023		Mar. 31, 2023
Assets:
Bonds available for sale	[1]	$ 232,487		$ 231,733
Other bond securities	[1]	5,403		5,241
Equity securities	[1]	797		728
Mortgage and other loans receivable	[1]	52,475		51,553
Other invested assets	[1]	15,977		16,217
Short-term investments	[1]	15,077		17,200
Cash		1,816	[1]	2,155	[1]	$ 1,923
Accrued investment income	[1]	2,698		2,588
Other assets	[1]	12,313		13,089
Total assets		544,121		539,306
Liabilities:
Other	[1]	28,245		25,958
Total liabilities		495,011		488,005
Real Estate and Investment Entities
Liabilities:
Off-balance sheet exposure associated with VIEs		1,800		1,900
Real Estate and Investment Entities | External parties
Liabilities:
Off-balance sheet exposure associated with VIEs		500		400
Consolidated VIE
Assets:
Bonds available for sale		193		184
Other bond securities		46		45
Equity securities		19		8
Mortgage and other loans receivable		1,993		2,063
Short-term investments		161		135
Cash		54		61
Accrued investment income		8		9
Other assets		89		96
Total assets		6,512		6,784
Liabilities:
Debt of consolidated investment entities		2,133		2,200
Other		103		83
Total liabilities		2,236		2,283
Consolidated VIE | Alternative investments
Assets:
Other invested assets		2,536		2,695
Consolidated VIE | Investment real estate
Assets:
Other invested assets		1,413		1,488
Consolidated VIE | Real Estate and Investment Entities
Assets:
Bonds available for sale		39		36
Other bond securities		46		45
Equity securities		19		8
Mortgage and other loans receivable		0		0
Short-term investments		157		125
Cash		54		61
Accrued investment income		2		2
Other assets		80		94
Total assets		4,346		4,554
Liabilities:
Debt of consolidated investment entities		1,019		1,094
Other		70		82
Total liabilities		1,089		1,176
Consolidated VIE | Real Estate and Investment Entities | Alternative investments
Assets:
Other invested assets		2,536		2,695
Consolidated VIE | Real Estate and Investment Entities | Investment real estate
Assets:
Other invested assets		1,413		1,488
Consolidated VIE | Securitization Vehicles
Assets:
Bonds available for sale		154		148
Other bond securities		0		0
Equity securities		0		0
Mortgage and other loans receivable		1,993		2,063
Short-term investments		4		10
Cash		0		0
Accrued investment income		6		7
Other assets		9		2
Total assets		2,166		2,230
Liabilities:
Debt of consolidated investment entities		1,114		1,106
Other		33		1
Total liabilities		1,147		1,107
Consolidated VIE | Securitization Vehicles | Alternative investments
Assets:
Other invested assets		0		0
Consolidated VIE | Securitization Vehicles | Investment real estate
Assets:
Other invested assets		$ 0		$ 0

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