Allowance for loan losses as a percentage of total gross loans receivable.

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- Definition

Loans modifications subject to CARES ACT / Interagency guidance.

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Change in allowance for losses on loans and lending commitments.

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No definition available.

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This element represents total net realized gains or losses for the period, arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in earnings.

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No definition available.

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Percentage of loans that were rated passed or non-criticized.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Amount of the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.

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The recorded balance, net of any applicable reductions (for example, unamortized accretable yield and allowance for loan losses). This relates to loans not accounted for debt securities with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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The undiscounted sum of all amounts, including amounts deemed principal, interest, fees, penalties, and other under the loan, owed to the investor at the reporting date, whether or not currently due and whether or not any such amounts have been written or charged off by the investor. This relates to loans not accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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Amount of unrealized gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3) and still held.

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Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).

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For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings.

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Amount of financing receivable modified as troubled debt restructuring.

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Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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Amount of allowance for credit losses related to recorded investment.

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Amount of investment in impaired financing receivables for which there is no related allowance for credit losses.

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Amount of investment in impaired financing receivables for which there is a related allowance for credit losses.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Loans - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Loans Receivable [Line Items]
Gains/(Losses) as a result of changes in the fair value	$ (701)	$ (1,374)	$ 311	$ (8,368)
Impaired loans receivable (excluding PCI loans) on non-accrual status	$ 3,543		$ 3,543		$ 1,530
Allowance for loan losses as a percentage of total gross loans receivable	3.70%		3.70%		1.60%
Percentage of loans that were rated pass/non-criticized	86.00%		86.00%		91.00%
Change in allowance for credit losses			$ 2,530		$ 450
Loans	$ 115,557		115,557		110,345
GS Unrated [Member]
Loans Receivable [Line Items]
Loans	9,920		9,920		9,540
COVID 19 [Member]
Loans Receivable [Line Items]
CARES Act/Interagency TDR relief	222		222
PCI Loans [Member]
Loans Receivable [Line Items]
Loans accounted for at amortized cost included PCI loans, carrying value					1,620
Loans accounted for at amortized cost included PCI loans, outstanding principal balance					3,230
Loans accounted for at amortized cost included PCI loans, accretable yield					220
Loans					1,622
Financial Asset, Equal to or Greater than 30 Days Past Due [Member]
Loans Receivable [Line Items]
Impaired loans receivable (excluding PCI loans) on non-accrual status	$ 496		$ 496		$ 429
Wholesale [Member]
Loans Receivable [Line Items]
Allowance for loan losses as a percentage of total gross loans receivable	2.80%		2.80%		1.10%
Nonaccrual loans, for which allowance for credit losses was measured	$ 3,510		$ 3,510		$ 1,490
Nonaccrual loans, allowance for credit losses	570		570		207
Nonaccrual loans, for which no allowance for credit losses required	838		838		754
Loans	$ 99,170		$ 99,170		$ 90,636
Consumer [Member]
Loans Receivable [Line Items]
Allowance for loan losses as a percentage of total gross loans receivable	16.10%		16.10%		6.00%
Other Principal Transactions [Member]
Loans Receivable [Line Items]
Gains/(Losses) as a result of changes in the fair value	$ 64	102	$ 49	404
Corporate [Member]
Loans Receivable [Line Items]
Net unrealized gains / (losses) on assets	1	(23)	(5)	(29)
Impaired loans receivable (excluding PCI loans) on non-accrual status	2,804		2,804		$ 1,122
Net realized gains / (losses) on assets	7	6	14	7
Loans modified in troubled debt restructuring	382		382		251
Loans	51,465		51,465		46,307
Corporate [Member] \| Wholesale [Member]
Loans Receivable [Line Items]
Loans	47,583		47,583		41,129
Installment And Credit Card Receivables [Member] \| GS Unrated [Member]
Loans Receivable [Line Items]
Loans	7,020		7,020		$ 6,610
Level 3 [Member]
Loans Receivable [Line Items]
Net gains / (losses) on assets	99	9	94	89
Level 3 [Member] \| Interest Income [Member]
Loans Receivable [Line Items]
Net gains / (losses) on assets	13	16	24	33
Level 3 [Member] \| Loans Non Trading [Member]
Loans Receivable [Line Items]
Net unrealized gains / (losses) on assets	76	10	34	34
Net realized gains / (losses) on assets	23	19	60	55
Level 3 [Member] \| Other Principal Transactions [Member]
Loans Receivable [Line Items]
Net gains / (losses) on assets	$ 86	$ (7)	$ 70	$ 56