v3.22.0.1
Commitments, Contingencies and Guarantees - Additional Information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Summary Of Commitments And Contingent Liabilities [Line Items]      
Lending commitments $ 211,552 $ 171,575  
Commitments to invest in funds managed by the firm 1,600 1,690  
Lending Commitments Allowance 776 557 $ 313
Estimated fair value of lending commitments liabilities 4,170 4,050  
Lending commitments 197,120 162,513  
NN Investment Partners [Member]      
Summary Of Commitments And Contingent Liabilities [Line Items]      
Investment Company, Committed Capital 1,900    
Investment Company, Net Assets, Period Increase (Decrease) 320,000    
GreenSky, Inc [Member]      
Summary Of Commitments And Contingent Liabilities [Line Items]      
Lending commitments 800    
Investment Company, Committed Capital $ 2,000    
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares 0.03    
Investment commitments loans originated acquired $ 200    
Investment commitments other remaining 600    
Investment commitments to acquire loans originated in event of aquisation not completed 1,000    
Credit Card Receivables Issued To Customers [Member]      
Summary Of Commitments And Contingent Liabilities [Line Items]      
Lending commitments 33,970 21,640  
Credit cards [Member]      
Summary Of Commitments And Contingent Liabilities [Line Items]      
CommitmentGM 2,000    
Securities Lending Indemnification [Member]      
Summary Of Commitments And Contingent Liabilities [Line Items]      
Collateral held by lenders in connection with securities lending indemnifications 11,360 20,390  
Maximum Payout/Notional Amount by Period of Expiration 11,050 19,860  
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 1,050 775  
Lending Commitments Allowance 776 557  
Amortized cost [Member] | Level 2 [Member]      
Summary Of Commitments And Contingent Liabilities [Line Items]      
Estimated fair value of lending commitments liabilities 1,910 2,430  
Amortized cost [Member] | Level 3 [Member]      
Summary Of Commitments And Contingent Liabilities [Line Items]      
Estimated fair value of lending commitments liabilities 2,260 1,620  
Held for sale [Member]      
Summary Of Commitments And Contingent Liabilities [Line Items]      
Carrying value of lending commitments liabilities 91 68  
Commercial Lending, Relationship Lending Activities [Member]      
Summary Of Commitments And Contingent Liabilities [Line Items]      
Lending commitments 120,990 110,310  
Commercial Lending, Other Investment Banking Activities Member]      
Summary Of Commitments And Contingent Liabilities [Line Items]      
Lending commitments 21,070 15,810  
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    
Repayments for other financial guarantees $ 450 $ 1,400