XML 135 R125.htm IDEA: XBRL DOCUMENT v3.20.2
Fair Value Measurements - Carrying Value and Estimated Fair Value of Financial Instruments (Detail) - USD ($)
$ in Millions
Jun. 30, 2020
Dec. 31, 2019
Jun. 30, 2019
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Federal funds sold and securities purchased under agreements to resell $ 29,255 $ 17,838  
Securities held-to-maturity 11,635 13,293  
Loans, net of allowance for credit losses 71,276 67,916 $ 71,865
Loans held for sale 147 289  
Deposits 156,033 119,693 $ 116,961
Long-term debt 25,746 26,697  
Commercial Loans [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Loans held for sale 103 212  
Consumer Loans [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Loans held for sale 44 77  
Consumer Loans [Member] | Residential Mortgage [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Loans held for sale 44 77  
Level 1 [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Short-term financial assets, net of allowance for credit losses 1,266    
Short-term financial assets   1,744  
Federal funds sold and securities purchased under agreements to resell 0 0  
Securities held-to-maturity, net of allowance for credit losses 0    
Securities held-to-maturity   0  
Short-term financial liabilities 0 0  
Long-term debt 0 0  
Level 1 [Member] | Commercial Loans [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Loans, net of allowance for credit losses 0 0  
Loans held for sale 0 0  
Level 1 [Member] | Consumer Loans [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Loans, net of allowance for credit losses 0 0  
Level 1 [Member] | Consumer Loans [Member] | Residential Mortgage [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Loans held for sale 0 0  
Level 1 [Member] | Deposits Without Fixed Maturities [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Deposits 0 0  
Level 1 [Member] | Deposits With Fixed Maturities [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Deposits 0 0  
Level 2 [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Short-term financial assets, net of allowance for credit losses 17,734    
Short-term financial assets   2,038  
Federal funds sold and securities purchased under agreements to resell 29,255 17,838  
Securities held-to-maturity, net of allowance for credit losses 12,106    
Securities held-to-maturity   13,431  
Short-term financial liabilities 6,102 3,286  
Long-term debt 16,729 16,696  
Level 2 [Member] | Commercial Loans [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Loans, net of allowance for credit losses 0 0  
Loans held for sale 58 34  
Level 2 [Member] | Consumer Loans [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Loans, net of allowance for credit losses 0 0  
Level 2 [Member] | Consumer Loans [Member] | Residential Mortgage [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Loans held for sale 46 77  
Level 2 [Member] | Deposits Without Fixed Maturities [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Deposits 135,816 96,161  
Level 2 [Member] | Deposits With Fixed Maturities [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Deposits 14,850 16,264  
Level 3 [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Short-term financial assets, net of allowance for credit losses 21    
Short-term financial assets   18  
Federal funds sold and securities purchased under agreements to resell 0 0  
Securities held-to-maturity, net of allowance for credit losses 0    
Securities held-to-maturity   0  
Short-term financial liabilities 22 18  
Long-term debt 0 0  
Level 3 [Member] | Commercial Loans [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Loans, net of allowance for credit losses 51,922 49,252  
Loans held for sale 0 0  
Level 3 [Member] | Consumer Loans [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Loans, net of allowance for credit losses 19,857 19,889  
Level 3 [Member] | Consumer Loans [Member] | Residential Mortgage [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Loans held for sale 0 1  
Level 3 [Member] | Deposits Without Fixed Maturities [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Deposits 0 0  
Level 3 [Member] | Deposits With Fixed Maturities [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Deposits 0 0  
Carrying Value [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Short-term financial assets, net of allowance for credit losses 19,021    
Short-term financial assets   3,800  
Federal funds sold and securities purchased under agreements to resell 29,255 17,838  
Securities held-to-maturity, net of allowance for credit losses 11,635    
Securities held-to-maturity   13,293  
Short-term financial liabilities 6,124 3,304  
Long-term debt 16,425 16,350  
Carrying Value [Member] | Commercial Loans [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Loans, net of allowance for credit losses 50,930 47,704  
Loans held for sale 58 34  
Carrying Value [Member] | Consumer Loans [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Loans, net of allowance for credit losses 20,311 20,212  
Carrying Value [Member] | Consumer Loans [Member] | Residential Mortgage [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Loans held for sale 44 77  
Carrying Value [Member] | Deposits Without Fixed Maturities [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Deposits 135,816 96,161  
Carrying Value [Member] | Deposits With Fixed Maturities [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Deposits 14,822 16,323  
Estimate of fair value [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Short-term financial assets, net of allowance for credit losses 19,021    
Short-term financial assets   3,800  
Federal funds sold and securities purchased under agreements to resell 29,255 17,838  
Securities held-to-maturity, net of allowance for credit losses 12,106    
Securities held-to-maturity   13,431  
Short-term financial liabilities 6,124 3,304  
Long-term debt 16,729 16,696  
Estimate of fair value [Member] | Commercial Loans [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Loans, net of allowance for credit losses 51,922 49,252  
Loans held for sale 58 34  
Estimate of fair value [Member] | Consumer Loans [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Loans, net of allowance for credit losses 19,857 19,889  
Estimate of fair value [Member] | Consumer Loans [Member] | Residential Mortgage [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Loans held for sale 46 78  
Estimate of fair value [Member] | Deposits Without Fixed Maturities [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Deposits 135,816 96,161  
Estimate of fair value [Member] | Deposits With Fixed Maturities [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Deposits $ 14,850 $ 16,264