XML 209 R173.htm IDEA: XBRL DOCUMENT v3.10.0.1
FAIR VALUE MEASUREMENT - Valuation Techniques and Inputs for Level 3 Fair Value Measurements (Details)
Dec. 31, 2018
USD ($)
year
Dec. 31, 2017
USD ($)
year
Dec. 31, 2016
USD ($)
Fair Value Inputs Assets Liabilities Quantitative Information      
Loans and leases   $ 148,000,000  
Level 3 | Model-based      
Fair Value Inputs Assets Liabilities Quantitative Information      
Federal funds sold and securities borrowed and purchased under agreements to resell $ 115,000,000    
State and municipal, foreign government, corporate and other debt securities 938,000,000 949,000,000  
Equity securities 45,000,000 55,000,000  
Derivatives, fair value   24,000,000  
Loans and leases 248,000,000 391,000,000  
Short-term borrowings and long-term debt 12,289,000,000 13,100,000,000  
Mortgage servicing rights 84,000,000   $ 0
Interest-bearing deposits 495,000,000 286,000,000  
Federal funds purchased and securities loaned and sold under agreements to repurchase 983,000,000 726,000,000  
Securities sold, not yet purchased 509,000,000    
Level 3 | Discounted Cash Flow      
Fair Value Inputs Assets Liabilities Quantitative Information      
Mortgage servicing rights 501,000,000 471,000,000  
Level 3 | Price-based      
Fair Value Inputs Assets Liabilities Quantitative Information      
Mortgage-backed securities 313,000,000 214,000,000  
State and municipal, foreign government, corporate and other debt securities 1,212,000,000 914,000,000  
Equity securities 108,000,000 65,000,000  
Asset-backed securities 1,608,000,000 2,287,000,000  
Non-marketable equity 255,000,000 223,000,000  
Loans and leases 29,000,000    
Securities sold, not yet purchased 77,000,000 21,000,000  
Level 3 | Comparables analysis      
Fair Value Inputs Assets Liabilities Quantitative Information      
Non-marketable equity 293,000,000 423,000,000  
Level 3 | Yield analysis      
Fair Value Inputs Assets Liabilities Quantitative Information      
Mortgage-backed securities 198,000,000 184,000,000  
Level 3 | Credit derivatives | Model-based      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 1,089,000,000 1,797,000,000  
Level 3 | Credit derivatives | Price-based      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 701,000,000 823,000,000  
Level 3 | Commodity contracts | Model-based      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 1,552,000,000 2,937,000,000  
Level 3 | Equity contracts | Model-based      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 1,467,000,000 2,897,000,000  
Level 3 | Foreign exchange risks | Model-based      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 626,000,000 940,000,000  
Level 3 | Foreign exchange risks | Discounted Cash Flow      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 73,000,000    
Level 3 | Interest rate contracts | Model-based      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives $ 3,467,000,000 3,818,000,000  
Interest Rate | Level 3 | Model-based      
Fair Value Inputs Assets Liabilities Quantitative Information      
Federal funds sold and securities borrowed and purchased under agreements to resell   $ 16,000,000  
Interest Rate | Level 3 | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Federal funds sold and securities borrowed and purchased under agreements to resell 0.0252 0.0143  
Federal funds purchased and securities loaned and sold under agreements to repurchase 0.0252 0.0143  
Interest Rate | Level 3 | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Federal funds sold and securities borrowed and purchased under agreements to resell 0.0743 0.0216  
Federal funds purchased and securities loaned and sold under agreements to repurchase 0.0321 0.0216  
Interest Rate | Level 3 | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Federal funds sold and securities borrowed and purchased under agreements to resell 0.0508 0.0209  
Federal funds purchased and securities loaned and sold under agreements to repurchase 0.0287 0.0209  
Interest Rate | Level 3 | Foreign exchange risks | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives   (0.0055)  
Interest Rate | Level 3 | Foreign exchange risks | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives   0.0028  
Interest Rate | Level 3 | Foreign exchange risks | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives   0.0004  
Price | Level 3 | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
State and municipal, foreign government, corporate and other debt securities   $ 0.00  
Price | Level 3 | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
State and municipal, foreign government, corporate and other debt securities   184.04  
Price | Level 3 | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
State and municipal, foreign government, corporate and other debt securities   91.74  
Price | Level 3 | Price-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Mortgage-backed securities $ 11.25 2.96  
State and municipal, foreign government, corporate and other debt securities 0.00    
Equity securities 0.00 0.00  
Asset-backed securities 2.75 4.25  
Non-marketable equity 2.38    
Loans and leases 55.83    
Securities sold, not yet purchased   1.00  
Price | Level 3 | Price-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Mortgage-backed securities 110.35 101.00  
State and municipal, foreign government, corporate and other debt securities 103.75    
Equity securities 20,255.00 25,450.00  
Asset-backed securities 101.03 100.60  
Non-marketable equity 1,073.80    
Loans and leases 110.00    
Securities sold, not yet purchased   287.64  
Price | Level 3 | Price-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Mortgage-backed securities 90.07 56.52  
State and municipal, foreign government, corporate and other debt securities 91.39    
Equity securities 1,247.85 2,526.62  
Asset-backed securities 66.18 74.57  
Non-marketable equity 420.24    
Loans and leases 92.40    
Securities sold, not yet purchased   88.19  
Price | Level 3 | Credit derivatives | Price-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 16.59 1.00  
Price | Level 3 | Credit derivatives | Price-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 98.00 100.24  
Price | Level 3 | Credit derivatives | Price-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives $ 81.19 $ 57.63  
Yield | Level 3 | Discounted Cash Flow | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Mortgage servicing rights 0.0460 0.0800  
Yield | Level 3 | Discounted Cash Flow | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Mortgage servicing rights 0.1200 0.1638  
Yield | Level 3 | Discounted Cash Flow | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Mortgage servicing rights 0.0779 0.1147  
Yield | Level 3 | Price-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
State and municipal, foreign government, corporate and other debt securities   0.0236  
Loans and leases 0.0030 0.0309  
Yield | Level 3 | Price-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
State and municipal, foreign government, corporate and other debt securities   0.1425  
Loans and leases 0.0047 0.0440  
Yield | Level 3 | Price-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
State and municipal, foreign government, corporate and other debt securities   0.0603  
Loans and leases 0.0032 0.0313  
Yield | Level 3 | Yield analysis | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Mortgage-backed securities 0.0227 0.0252  
Yield | Level 3 | Yield analysis | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Mortgage-backed securities 0.0870 0.1406  
Yield | Level 3 | Yield analysis | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Mortgage-backed securities 0.0374 0.0597  
Yield | Level 3 | Foreign exchange risks | Discounted Cash Flow | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.0698    
Yield | Level 3 | Foreign exchange risks | Discounted Cash Flow | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.0748    
Yield | Level 3 | Foreign exchange risks | Discounted Cash Flow | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.0723    
Credit spread | Level 3 | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
State and municipal, foreign government, corporate and other debt securities 0.0035    
Nontrading derivatives and other financial assets and liabilities measured on a recurring basis (gross)   0.0038  
Loans and leases 0.0138    
Credit spread | Level 3 | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
State and municipal, foreign government, corporate and other debt securities 0.0446    
Nontrading derivatives and other financial assets and liabilities measured on a recurring basis (gross)   0.0275  
Loans and leases 0.0255    
Credit spread | Level 3 | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
State and municipal, foreign government, corporate and other debt securities 0.0238    
Nontrading derivatives and other financial assets and liabilities measured on a recurring basis (gross)   0.0127  
Loans and leases 0.0147    
Credit spread | Level 3 | Price-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
State and municipal, foreign government, corporate and other debt securities   0.0035  
Loans and leases   0.0134  
Credit spread | Level 3 | Price-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
State and municipal, foreign government, corporate and other debt securities   0.0500  
Loans and leases   0.0500  
Credit spread | Level 3 | Price-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
State and municipal, foreign government, corporate and other debt securities   0.0249  
Loans and leases   0.0173  
Credit spread | Level 3 | Credit derivatives | Cash flow | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.0002    
Credit spread | Level 3 | Credit derivatives | Cash flow | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.1127    
Credit spread | Level 3 | Credit derivatives | Cash flow | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.0087    
Credit spread | Level 3 | Credit derivatives | Price-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives   0.0003  
Credit spread | Level 3 | Credit derivatives | Price-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives   0.1636  
Credit spread | Level 3 | Credit derivatives | Price-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives   0.0173  
Credit spread | Level 3 | Foreign exchange risks | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives   0.0011  
Credit spread | Level 3 | Foreign exchange risks | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives   0.0717  
Credit spread | Level 3 | Foreign exchange risks | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives   0.0173  
Credit spread | Level 3 | Foreign exchange risks | Discounted Cash Flow | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.0039    
Credit spread | Level 3 | Foreign exchange risks | Discounted Cash Flow | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.0676    
Credit spread | Level 3 | Foreign exchange risks | Discounted Cash Flow | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.0087    
WAL | Level 3 | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Equity securities | year 1.47 2.50  
Mortgage servicing rights | year 3.55 3.83  
WAL | Level 3 | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Equity securities | year 1.47 2.50  
Mortgage servicing rights | year 7.45 6.89  
WAL | Level 3 | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Equity securities | year 1.47 2.50  
Mortgage servicing rights | year 6.39 5.93  
WAL | Level 3 | Equity contracts | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 1.47    
WAL | Level 3 | Equity contracts | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 1.47    
WAL | Level 3 | Equity contracts | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 1.47    
Discount To Price | Level 3 | Price-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Non-marketable equity   0.0000  
Discount To Price | Level 3 | Price-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Non-marketable equity   1.0000  
Discount To Price | Level 3 | Price-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Non-marketable equity   0.1183  
Discount To Price | Level 3 | Comparables analysis | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Non-marketable equity 0.0000    
Discount To Price | Level 3 | Comparables analysis | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Non-marketable equity 1.0000    
Discount To Price | Level 3 | Comparables analysis | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Non-marketable equity 0.0066    
EBITDA Multiple | Level 3 | Price-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Non-marketable equity 5.0000    
EBITDA Multiple | Level 3 | Price-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Non-marketable equity 34.0000    
EBITDA Multiple | Level 3 | Price-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Non-marketable equity 9.7300    
EBITDA Multiple | Level 3 | Comparables analysis | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Non-marketable equity   6.90  
EBITDA Multiple | Level 3 | Comparables analysis | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Non-marketable equity   12.80  
EBITDA Multiple | Level 3 | Comparables analysis | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Non-marketable equity   8.66  
Net operating income multiple | Level 3 | Price-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Non-marketable equity 24.7000    
Net operating income multiple | Level 3 | Price-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Non-marketable equity 24.7000    
Net operating income multiple | Level 3 | Price-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Non-marketable equity 24.7000    
Revenue multiple | Level 3 | Price-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Non-marketable equity 2.2500    
Revenue multiple | Level 3 | Price-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Non-marketable equity 16.5000    
Revenue multiple | Level 3 | Price-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Non-marketable equity 7.0600    
Mean reversion | Level 3 | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Short-term borrowings and long-term debt 0.0100    
Interest-bearing deposits 0.0100 0.0100  
Mean reversion | Level 3 | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Short-term borrowings and long-term debt 0.2000    
Interest-bearing deposits 0.2000 0.2000  
Mean reversion | Level 3 | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Short-term borrowings and long-term debt 0.1050    
Interest-bearing deposits 0.1050 0.1050  
Mean reversion | Level 3 | Interest rate contracts | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.0100 0.0100  
Mean reversion | Level 3 | Interest rate contracts | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.2000 0.2000  
Mean reversion | Level 3 | Interest rate contracts | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.1050 0.1050  
Inflation volatility | Level 3 | Interest rate contracts | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.0022    
Inflation volatility | Level 3 | Interest rate contracts | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.0265    
Inflation volatility | Level 3 | Interest rate contracts | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.0077    
IR normal volatility | Level 3 | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Short-term borrowings and long-term debt 0.0016    
IR normal volatility | Level 3 | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Short-term borrowings and long-term debt 0.8631    
IR normal volatility | Level 3 | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Short-term borrowings and long-term debt 0.5661    
IR normal volatility | Level 3 | Interest rate contracts | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.0016 0.0940  
IR normal volatility | Level 3 | Interest rate contracts | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.8631 0.7740  
IR normal volatility | Level 3 | Interest rate contracts | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.5624 0.5886  
Foreign exchange volatility | Level 3 | Foreign exchange risks | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.0315 0.0458  
Foreign exchange volatility | Level 3 | Foreign exchange risks | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.1735 0.1502  
Foreign exchange volatility | Level 3 | Foreign exchange risks | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.1137 0.0816  
IR-IR correlation | Level 3 | Foreign exchange risks | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives   (0.5100)  
IR-IR correlation | Level 3 | Foreign exchange risks | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives   0.4000  
IR-IR correlation | Level 3 | Foreign exchange risks | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives   0.3656  
IR-IR correlation | Level 3 | Foreign exchange risks | Discounted Cash Flow | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives (0.5100)    
IR-IR correlation | Level 3 | Foreign exchange risks | Discounted Cash Flow | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.4000    
IR-IR correlation | Level 3 | Foreign exchange risks | Discounted Cash Flow | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.3269    
IR-FX correlation | Level 3 | Foreign exchange risks | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives   (0.0734)  
IR-FX correlation | Level 3 | Foreign exchange risks | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives   0.6000  
IR-FX correlation | Level 3 | Foreign exchange risks | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives   0.4904  
IR-FX correlation | Level 3 | Foreign exchange risks | Discounted Cash Flow | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.4000    
IR-FX correlation | Level 3 | Foreign exchange risks | Discounted Cash Flow | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.6000    
IR-FX correlation | Level 3 | Foreign exchange risks | Discounted Cash Flow | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.5000    
IR basis | Level 3 | Foreign exchange risks | Discounted Cash Flow | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives (0.0065)    
IR basis | Level 3 | Foreign exchange risks | Discounted Cash Flow | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.0011    
IR basis | Level 3 | Foreign exchange risks | Discounted Cash Flow | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives (0.0017)    
Equity volatility | Level 3 | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Loans and leases   0.0300  
Short-term borrowings and long-term debt 0.0300    
Interest-bearing deposits 0.0300    
Equity volatility | Level 3 | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Loans and leases   0.6893  
Short-term borrowings and long-term debt 0.7839    
Interest-bearing deposits 0.7839    
Equity volatility | Level 3 | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Loans and leases   0.2252  
Short-term borrowings and long-term debt 0.4324    
Interest-bearing deposits 0.4349    
Equity volatility | Level 3 | Price-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Securities sold, not yet purchased 0.0300    
Equity volatility | Level 3 | Price-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Securities sold, not yet purchased 0.7839    
Equity volatility | Level 3 | Price-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Securities sold, not yet purchased 0.4349    
Equity volatility | Level 3 | Equity contracts | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.0300 0.0300  
Equity volatility | Level 3 | Equity contracts | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.7839 0.6893  
Equity volatility | Level 3 | Equity contracts | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.3753 0.2466  
Forward price | Level 3 | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Short-term borrowings and long-term debt 0.6466 0.6974  
Interest-bearing deposits 0.6466 0.9956  
Securities sold, not yet purchased 0.1530    
Forward price | Level 3 | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Short-term borrowings and long-term debt 1.4445 1.6111  
Interest-bearing deposits 1.4445 0.9995  
Securities sold, not yet purchased 5.8507    
Forward price | Level 3 | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Short-term borrowings and long-term debt 0.9858 1.0070  
Interest-bearing deposits 0.9855 0.9972  
Securities sold, not yet purchased 1.0569    
Forward price | Level 3 | Commodity contracts | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.1530 0.0366  
Forward price | Level 3 | Commodity contracts | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 5.8507 2.9059  
Forward price | Level 3 | Commodity contracts | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 1.4508 1.1416  
Forward price | Level 3 | Equity contracts | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.6466 0.6974  
Forward price | Level 3 | Equity contracts | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 1.4445 1.5419  
Forward price | Level 3 | Equity contracts | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.9855 0.9280  
Equity-Equity correlation | Level 3 | Price-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Securities sold, not yet purchased (0.8139)    
Equity-Equity correlation | Level 3 | Price-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Securities sold, not yet purchased 1.0000    
Equity-Equity correlation | Level 3 | Price-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Securities sold, not yet purchased 0.3404    
Equity-Equity correlation | Level 3 | Equity contracts | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives (0.8139)    
Equity-Equity correlation | Level 3 | Equity contracts | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 1.0000    
Equity-Equity correlation | Level 3 | Equity contracts | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.3549    
Equity-FX correlation | Level 3 | Price-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Securities sold, not yet purchased (0.8627)    
Equity-FX correlation | Level 3 | Price-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Securities sold, not yet purchased 0.7000    
Equity-FX correlation | Level 3 | Price-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Securities sold, not yet purchased (0.0120)    
Equity-FX correlation | Level 3 | Equity contracts | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives (0.8627)    
Equity-FX correlation | Level 3 | Equity contracts | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.7000    
Equity-FX correlation | Level 3 | Equity contracts | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives (0.0120)    
Commodity volatility | Level 3 | Price-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Securities sold, not yet purchased 0.0892    
Commodity volatility | Level 3 | Price-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Securities sold, not yet purchased 0.5986    
Commodity volatility | Level 3 | Price-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Securities sold, not yet purchased 0.2034    
Commodity volatility | Level 3 | Commodity contracts | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.0892 0.0860  
Commodity volatility | Level 3 | Commodity contracts | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.5986 0.6673  
Commodity volatility | Level 3 | Commodity contracts | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.2034 0.2504  
Commodity correlation | Level 3 | Price-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Securities sold, not yet purchased (0.5190)    
Commodity correlation | Level 3 | Price-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Securities sold, not yet purchased 0.9211    
Commodity correlation | Level 3 | Price-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Securities sold, not yet purchased 0.4071    
Commodity correlation | Level 3 | Commodity contracts | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives   (0.3764)  
Commodity correlation | Level 3 | Commodity contracts | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives   0.9171  
Commodity correlation | Level 3 | Commodity contracts | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives   0.1521  
Commodity correlation | Level 3 | Commodity contracts | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives (0.5190)    
Commodity correlation | Level 3 | Commodity contracts | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.9211    
Commodity correlation | Level 3 | Commodity contracts | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.4071    
Credit correlation | Level 3 | Credit derivatives | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.0500 0.2500  
Credit correlation | Level 3 | Credit derivatives | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.8500 0.9000  
Credit correlation | Level 3 | Credit derivatives | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.4106 0.4464  
Upfront points | Level 3 | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Nontrading derivatives and other financial assets and liabilities measured on a recurring basis (gross)   0.6100  
Upfront points | Level 3 | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Nontrading derivatives and other financial assets and liabilities measured on a recurring basis (gross)   0.6100  
Upfront points | Level 3 | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Nontrading derivatives and other financial assets and liabilities measured on a recurring basis (gross)   0.6100  
Upfront points | Level 3 | Credit derivatives | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives   0.0603  
Upfront points | Level 3 | Credit derivatives | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives   0.9726  
Upfront points | Level 3 | Credit derivatives | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives   0.6288  
Upfront points | Level 3 | Credit derivatives | Price-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.0741    
Upfront points | Level 3 | Credit derivatives | Price-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.9904    
Upfront points | Level 3 | Credit derivatives | Price-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.5895    
Recovery rate | Level 3 | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Nontrading derivatives and other financial assets and liabilities measured on a recurring basis (gross)   0.2500  
Recovery rate | Level 3 | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Nontrading derivatives and other financial assets and liabilities measured on a recurring basis (gross)   0.4000  
Recovery rate | Level 3 | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Nontrading derivatives and other financial assets and liabilities measured on a recurring basis (gross)   0.3156  
Recovery rate | Level 3 | Credit derivatives | Price-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.0500    
Recovery rate | Level 3 | Credit derivatives | Price-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.6500    
Recovery rate | Level 3 | Credit derivatives | Price-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Derivatives 0.4640    
Equity-IR correlation | Level 3 | Price-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Securities sold, not yet purchased (0.4000)    
Equity-IR correlation | Level 3 | Price-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Securities sold, not yet purchased 0.7037    
Equity-IR correlation | Level 3 | Price-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Securities sold, not yet purchased 0.3080    
Price-to-book ratio | Level 3 | Price-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Non-marketable equity   0.05  
Price-to-book ratio | Level 3 | Price-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Non-marketable equity   1.00  
Price-to-book ratio | Level 3 | Price-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Non-marketable equity   0.32  
Redemption rate | Level 3 | Model-based | Minimum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Nontrading derivatives and other financial assets and liabilities measured on a recurring basis (gross)   0.1072  
Redemption rate | Level 3 | Model-based | Maximum      
Fair Value Inputs Assets Liabilities Quantitative Information      
Nontrading derivatives and other financial assets and liabilities measured on a recurring basis (gross)   0.9950  
Redemption rate | Level 3 | Model-based | Weighted Average      
Fair Value Inputs Assets Liabilities Quantitative Information      
Nontrading derivatives and other financial assets and liabilities measured on a recurring basis (gross)   0.7424