v3.20.4
Commitments, Contingencies and Guarantees (Tables)
12 Months Ended
Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]  
Credit Risk Of Off- Balance Sheet Financial Instruments By Contractual Amounts
Credit risk associated with these instruments as of December 31 is represented by the contractual amounts indicated in the following table:
20202019
 (In millions)
Unused commitments to extend credit$56,644 $52,976 
Standby letters of credit1,742 1,521 
Commercial letters of credit132 59 
Liabilities associated with standby letters of credit25 22 
Assets associated with standby letters of credit25 23 
Reserve for unfunded credit commitments12645