Agreement in principle to extend a guarantee related to legal and regulatory proceedings.

No definition available.

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- Definition

Amount of Lending Commitments

+ References

No definition available.

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- Definition

Carrying value of the liabilities of lending commitments held-for-investment.

+ References

No definition available.

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- Definition

Collateral held by lenders in connection with securities lending indemnifications.

+ References

No definition available.

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- Definition

Collateral held by lenders in connection with fixed income clearing corp.

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No definition available.

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- Definition

Commitments to invest in funds managed by the firm.

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No definition available.

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- Definition

Estimated fair value of the liabilities of lending commitments held-for-investment.

+ References

No definition available.

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- Definition

Amount of allowance for lending commitments.

+ References

No definition available.

+ Details

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- Definition

Litigation Settlement Amount

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No definition available.

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- Definition

Number of years for recoveries.

+ References

No definition available.

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- Definition

Summary Of Commitments And Contingent Liabilities [Line Items]

+ References

No definition available.

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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Section 50
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- Definition

Sum of the carrying amounts as of the balance sheet date of all investments.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Amount of expense related to credit loss from transactions other than loan and lease transactions.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Commitments, Contingencies and Guarantees - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Summary Of Commitments And Contingent Liabilities [Line Items]
Lending commitments		$ 171,575	$ 160,090
Commitments to invest in funds managed by the firm		1,690	2,060
Lending Commitments Allowance		557	361	$ 286
Outstanding credit card loans		88,445	63,937
Credit cards [Member]
Summary Of Commitments And Contingent Liabilities [Line Items]
Outstanding credit card loans		2,000
Credit cards [Member] \| Subsequent Event [Member]
Summary Of Commitments And Contingent Liabilities [Line Items]
Provision for credit losses	$ 180
Securities Lending Indemnification [Member]
Summary Of Commitments And Contingent Liabilities [Line Items]
Collateral held by lenders in connection with securities lending indemnifications		20,390	19,140
Maximum Payout/Notional Amount by Period of Expiration		19,860	17,890
Fixed Income Clearing Corporation Guarantees [Member]
Summary Of Commitments And Contingent Liabilities [Line Items]
Maximum Payout/Notional Amount by Period of Expiration		1,490
Maximum exposure on collateral held		1,500
Amortized cost [Member]
Summary Of Commitments And Contingent Liabilities [Line Items]
Carrying value of lending commitments liabilities		775	527
Lending Commitments Allowance		557	361
Estimated fair value of lending commitments liabilities		4,050	3,050
Amortized cost [Member] \| Level 2 [Member]
Summary Of Commitments And Contingent Liabilities [Line Items]
Estimated fair value of lending commitments liabilities		2,430	1,780
Amortized cost [Member] \| Level 3 [Member]
Summary Of Commitments And Contingent Liabilities [Line Items]
Estimated fair value of lending commitments liabilities		1,620	1,270
Held for sale [Member]
Summary Of Commitments And Contingent Liabilities [Line Items]
Carrying value of lending commitments liabilities		68	60
Investment Grade Commercial Lending, Relationship Lending Activities [Member]
Summary Of Commitments And Contingent Liabilities [Line Items]
Lending commitments		110,310	101,310
Investment Grade Commercial Lending, Other Investment Banking Activities Member]
Summary Of Commitments And Contingent Liabilities [Line Items]
Lending commitments		15,810	$ 27,710
Residential Mortgage Backed Securities Working Group [Member]
Summary Of Commitments And Contingent Liabilities [Line Items]
Settlement agreement amount		1,800
GS Malaysia Development Berhad [Member] \| Guarantee Obligations [Member]
Summary Of Commitments And Contingent Liabilities [Line Items]
Agreement in principle to extend a guarantee related to legal and regulatory proceedings		$ 1,400
GS Malaysia Development Berhad [Member] \| Guarantee Obligations [Member] \| Minimum [Member]
Summary Of Commitments And Contingent Liabilities [Line Items]
Number of years for recoveries		5 years
GS Malaysia Development Berhad [Member] \| Guarantee Obligations [Member] \| Maximum [Member]
Summary Of Commitments And Contingent Liabilities [Line Items]
Number of years for recoveries		8 years