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Interest Revenue and Expenses | 12 Months Ended
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Dec. 31, 2018
Interest Revenue and Expenses |
Interest Revenue and Expenses | 30. Interest Revenue and Expenses: (a) As of each year end below, interest revenue is detailed as follows:
|  | 2016 |  | 2017 |  | 2018
|  | MCh$ |  | MCh$ |  | MCh$
Commercial loans |  | 856,172 |  | 786,794 |  | 851,328
Consumer loans |  | 613,962 |  | 614,393 |  | 613,293
Residential mortgage loans |  | 447,582 |  | 401,862 |  | 502,832
Financial investments |  | 30,725 |  | 35,403 |  | 52,909
Repurchase agreements |  | 9,053 |  | 7,337 |  | 2,767
Loans and advances to banks |  | 32,280 |  | 15,024 |  | 24,138
Gain (loss) from accounting hedges |  | (76,378) |  | 20,722 |  | (58,560)
Other interest revenue |  | 3,596 |  | 5,165 |  | 11,910
Total |  | 1,916,992 |  | 1,886,700 |  | 2,000,617
The amount of interest recognized on a received basis for impaired portfolio in 2018 amounts to Ch$5,113 million (Ch$6,426 million as of December 31, 2017). (b) As of each year end below, interest expenses are detailed as follows:
|  | 2016 |  | 2017 |  | 2018
|  | MCh$ |  | MCh$ |  | MCh$
Savings accounts and time deposits |  | 376,541 |  | 297,277 |  | 301,251
Debt issued |  | 309,589 |  | 268,203 |  | 352,351
Other financial obligations |  | 1,916 |  | 1,640 |  | 1,482
Repurchase agreements |  | 6,223 |  | 5,193 |  | 8,901
Borrowings from financial institutions |  | 13,504 |  | 19,255 |  | 29,275
(Gain) loss from accounting hedges |  | (24,190) |  | 54,834 |  | (23,694)
Demand deposits |  | 6,241 |  | 5,350 |  | 9,380
Other interest expenses |  | 435 |  | 253 |  | 694
Total |  | 690,259 |  | 652,005 |  | 679,640
(c) As of each year end below, loss from accounting hedge is the following:
|  | 2016 |  | 2017 |  | 2018
|  | MCh$ |  | MCh$ |  | MCh$
Cash Flow hedge |  | (45,559) |  | (29,477) |  | (33,031)
Fair value hedge |  | (6,629) |  | (4,635) |  | (1,835)
Total |  | (52,188) |  | (34,112) |  | (34,866)

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- Definition The disclosure of interest income and expense. [Refer: Interest income (expense)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_10_e&doctype=Standard -URIDate 2018-03-16 + Details
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