Investments Variable Interest Entities Consolidated (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Dec. 31, 2021
Variable Interest Entity [Line Items]
Other Short-Term Investments	$ 5,454	$ 4,960
Debt Securities, Available-for-Sale	99,766	85,220
Equity securities, at fair value	3,395	827
Alternative Investment	13,362	12,355
Other investments	5,583	1,341
Total investments (refer to Note 3 for balances associated with variable interest entities (VIEs))	129,961	113,551
Repurchase agreements (refer to Note 3 for balances associated with VIEs)	2,617	1,419
Total liabilities (preliminary)	165,244	148,498
Noncontrolling interests (refer to Note 3 for balances associated with VIEs)	5,131	0
Total cash and restricted cash shown in the Consolidated statement of cash flows	2,778	2,127	$ 2,264	$ 1,811
Other assets	7,591	7,546
Total assets (preliminary)	222,748	$ 199,017
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Other Short-Term Investments	466
Equity securities, at fair value	986
Alternative Investment	21
Other investments	3,937
Total investments (refer to Note 3 for balances associated with variable interest entities (VIEs))	5,410
Other liabilities	32
Repurchase agreements (refer to Note 3 for balances associated with VIEs)	837
Total liabilities (preliminary)	869
Noncontrolling interests (refer to Note 3 for balances associated with VIEs)	3,176
Economic Interests in Consolidated Investment Products	1,551
Total cash and restricted cash shown in the Consolidated statement of cash flows	164
Other assets	22
Total assets (preliminary)	$ 5,596