Loans, Lending Commitments and Related Allowance for Credit Losses - Loans by Type (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021	Dec. 31, 2020
HFI Loans
Total loans	$ 198,332	$ 174,956
ACL	749	654	$ 684	$ 835
Total loans, net	197,583	174,302
HFS Loans
Total loans	13,353	13,832
Total loans, net	13,353	13,832
Total Loans
Total loans	211,685	188,788
ACL	749	654	684	835
Total loans, net	210,936	188,134
Loans to non-U.S. borrowers, net	24,624	24,322
Corporate
HFI Loans
Total loans	6,858	5,567
ACL	211	165	197	309
HFS Loans
Total loans	7,640	8,107
Total Loans
Total loans	14,498	13,674
ACL	211	165	197	309
Secured lending facilities
HFI Loans
Total loans	34,788	31,471
ACL	156	163	175	198
HFS Loans
Total loans	3,707	3,879
Total Loans
Total loans	38,495	35,350
ACL	156	163	175	198
Commercial real estate
HFI Loans
Total loans	8,191	7,227
ACL	224	206	193	211
HFS Loans
Total loans	1,750	1,777
Total Loans
Total loans	9,941	9,004
ACL	224	206	193	211
Residential real estate
HFI Loans
Total loans	52,904	44,251
ACL	87	60	58	59
HFS Loans
Total loans	5	7
Total Loans
Total loans	52,909	44,258
ACL	87	60	58	59
Securities-based lending and Other loans
HFI Loans
Total loans	95,591	86,440
ACL	71	60	61	58
HFS Loans
Total loans	251	62
Total Loans
Total loans	95,842	86,502
ACL	$ 71	$ 60	$ 61	$ 58

Financing Receivable including Held-for-Sale, after Allowance for Credit Loss

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Financing Receivable including Held-for-Sale, before Allowance for Credit Loss

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Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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