Loans, Lending Commitments and Related Allowance for Credit Losses - Loans by Type (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Loans Held for Investment
Loans held for investment, before allowance	$ 174,956	$ 138,619
ACL	(654)	(835)	$ (349)	$ (238)
Loans held for investment, net	174,302	137,784
Loans Held for Sale
Loans held for sale, before allowance	13,832	12,813
Loans held for sale, net	13,832	12,813
Total Loans
Total loans	188,788	151,432
ACL	(654)	(835)	(349)	(238)
Total loans, net	188,134	150,597
Loans to non-U.S. borrowers, net	24,322	21,081
Corporate
Loans Held for Investment
Loans held for investment, before allowance	5,567	6,046
ACL	(165)	(309)	(115)	(62)
Loans Held for Sale
Loans held for sale, before allowance	8,107	8,580
Total Loans
Total loans	13,674	14,626
ACL	(165)	(309)	(115)	(62)
Secured lending facilities
Loans Held for Investment
Loans held for investment, before allowance	31,471	25,727
ACL	(163)	(198)	(101)	(60)
Loans Held for Sale
Loans held for sale, before allowance	3,879	3,296
Total Loans
Total loans	35,350	29,023
ACL	(163)	(198)	(101)	(60)
Commercial real estate
Loans Held for Investment
Loans held for investment, before allowance	7,227	7,346
ACL	(206)	(211)	(75)	(67)
Loans Held for Sale
Loans held for sale, before allowance	1,777	822
Total Loans
Total loans	9,004	8,168
ACL	(206)	(211)	(75)	(67)
Residential real estate
Loans Held for Investment
Loans held for investment, before allowance	44,251	35,268
ACL	(60)	(59)	(25)	(20)
Loans Held for Sale
Loans held for sale, before allowance	7	48
Total Loans
Total loans	44,258	35,316
ACL	(60)	(59)	(25)	(20)
Securities-based lending and Other loans
Loans Held for Investment
Loans held for investment, before allowance	86,440	64,232
ACL	(60)	(58)	(33)	(29)
Loans Held for Sale
Loans held for sale, before allowance	62	67
Total Loans
Total loans	86,502	64,299
ACL	$ (60)	$ (58)	$ (33)	$ (29)

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

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