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INTEREST REVENUE AND EXPENSE
 3 Months Ended
Mar. 31, 2021
Banking and Thrift, Interest [Abstract]  
INTEREST REVENUE AND EXPENSE INTEREST REVENUE AND EXPENSE
Interest revenue and Interest expense consisted of the following:
Three Months Ended March 31,
In millions of dollars20212020
Interest revenue
Loan interest, including fees$8,909 $11,250 
Deposits with banks145 527 
Securities borrowed and purchased under agreements to resell294 1,208 
Investments, including dividends1,752 2,281 
Trading account assets(1)
1,337 1,590 
Other interest-bearing assets97 283 
Total interest revenue$12,534 $17,139 
Interest expense
Deposits(2)
$1,052 $2,614 
Securities loaned and sold under agreements to repurchase253 1,085 
Trading account liabilities(1)
114 239 
Short-term borrowings and other interest-bearing liabilities31 384 
Long-term debt918 1,325 
Total interest expense$2,368 $5,647 
Net interest revenue$10,166 $11,492 
Provision for credit losses on loans(1,479)6,377 
Net interest revenue after provision for credit losses on loans$11,645 $5,115 
(1)Interest expense on Trading account liabilities of ICG is reported as a reduction of Interest revenue. Interest revenue and Interest expense on cash collateral positions are reported in interest on Trading account assets and Trading account liabilities, respectively.
(2)Includes deposit insurance fees and charges of $340 million and $225 million for the three months ended March 31, 2021 and 2020, respectively.