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Financial instruments
12 Months Ended
Dec. 31, 2019
Text block [abstract]  
Financial instruments
36.
Financial instruments
Credit risk
Exposure to credit risk:
The carrying amount of financial assets represents the maximum credit exposure. The maximum exposure to credit risk at the reporting date is:
 
       
2019
   
2018
 
Trade receivables
   19    3,282,134    2,588,979 
Contract assets
   21    944,260    715,441 
Receivables from financial services
   20    2,442,258    4,202,941 
Cash and cash equivalents (*)
   24    10,238,584    7,419,095 
Participating cross currency swap and FX swap contracts
   35    845,513    1,356,062 
Other current assets (**)
   23    99,882    287,469 
Financial asset at fair value through profit or loss
     5,368    9,409 
Financial asset at fair value through other comprehensive income
   25    345,602    42,454 
Due from related parties
   39    4,477    13,533 
    
 
 
   
 
 
 
    
 
18,208,078
 
  
 
16,635,383
 
    
 
 
   
 
 
 
 
(*)
Cash in hand is excluded from cash and cash equivalents.
(**)
Prepaid expenses, VAT receivable, receivable from the Ministry of Transport and Infrastructure of Turkey, other and advances given are excluded from other current assets and other
non-current
assets.
 
Credit quality:
The maximum exposure to credit risk for trade and subscriber receivables, other assets and cash and cash equivalent arising from sales transactions, including those classified as due from related parties at the reporting date by type of customer is:
 
Other assets at 31 December 2019 (*)
  
Not Due
   
More Than

30 Days
Past Due
   
More Than
60 Days
Past Due
   
More Than
90 Days
Past Due
   
More Than
120 Days
Past Due
   
More Than
150 Days
Past Due
   
More Than
150 Days - 3

years Past
Due
   
More Than

3 - 4 years
Past Due
   
More Than

4 - 5 years
Past Due
   
Total
 
Gross Carrying Amount
   11,075,880    383,055    109,594    134,229    74,380    63,995    807,941    299,149    180,029    13,128,252 
Loss Allowance
   22,884    5,013    8,284    9,497    12,666    11,415    243,399    177,160    137,260    627,578 
 
(*)
Other Assets includes trade receivables, subscriber receivables, other assets, cash and cash equivalent and due from related parties.
 
Contract assets at 31 December 2019
  
Not Due
   
More Than
30 Days
Past Due
   
More Than
60 Days
Past Due
   
More Than
90 Days
Past Due
   
More Than
120 Days
Past Due
   
More Than
150 Days
Past Due
   
More Than
150 Days - 3

years Past
Due
   
More Than

3 - 4 years
Past Due
   
More Than

4 - 5 years
Past Due
   
Total
 
Gross Carrying Amount
   948,950    —     
 
—  
 
  
 
—  
 
  
 
—  
 
  
 
—  
 
  
 
—  
 
  
 
—  
 
  
 
—  
 
   948,950 
Loss Allowance
   4,690   
 
—  
 
  
 
—  
 
  
 
—  
 
  
 
—  
 
  
 
—  
 
  
 
—  
 
  
 
—  
 
  
 
—  
 
   4,690 
 
Other assets from financial services at 31 December 2019 (**)
  
Not Due
   
More Than

30 Days
Past Due
   
More Than
60 Days
Past Due
   
More Than
90 Days
Past Due
   
More Than
120 Days
Past Due
   
More Than
150 Days
Past Due
   
More Than
150 Days - 3

years Past
Due
   
More Than

3 - 4 years
Past Due
   
More Than

4 - 5 years
Past Due
   
Total
 
Gross Carrying Amount
   2,126,580    239,942    50,513    25,239    11,345    10,755    200,867    1,524    —      2,666,765 
Loss Allowance
   15,773    2,780    859    452    5,466    5,036    131,645    1,489    —      163,500 
 
(**)
Other Assets includes trade receivables, subscriber receivables, other assets and cash and cash equivalents from financial services.
 
 
Other assets at 1 January 2019 (*)
  
Not Due
   
More Than

30 Days
Past Due
   
More Than
60 Days
Past Due
   
More Than
90 Days
Past Due
   
More Than
120 Days
Past Due
   
More Than
150 Days
Past Due
   
More Than
150 Days - 3

years Past
Due
   
More Than

3 - 4 years
Past Due
   
More Than
4 - 5 years
Past Due
   
Total
 
Gross Carrying Amount
   8,550,197    211,558    80,337    57,336    42,857    25,363    754,732    272,547    319,298    10,314,225 
Loss Allowance
   24,864    4,567    5,238    4,900    6,368    6,028    214,893    182,431    281,522    730,811 
 
(*)
Other Assets includes trade receivables, subscriber receivables and other assets.
 
Contract assets at 1 January 2019
  
Not Due
   
More Than
30 Days
Past Due
   
More Than
60 Days
Past Due
   
More Than
90 Days
Past Due
   
More Than
120 Days
Past Due
   
More Than
150 Days
Past Due
   
More Than
150 Days - 3

years Past
Due
   
More Than

3 - 4 years
Past Due
   
More Than
4 - 5 years
Past Due
   
Total
 
Gross Carrying Amount
   722,811   
 
 
  
 
 
  
 
 
  
 
 
  
 
 
  
 
 
  
 
 
  
 
 
   722,811 
Loss Allowance
   7,370   
 
 
  
 
 
  
 
 
  
 
 
  
 
 
  
 
 
  
 
 
  
 
 
   7,370 
 
Other assets from financial services at 1 January 2019 (**)
  
Not Due
   
More Than

30 Days
Past Due
   
More Than
60 Days
Past Due
   
More Than
90 Days
Past Due
   
More Than
120 Days
Past Due
   
More Than
150 Days
Past Due
   
More Than
150 Days - 3

years Past
Due
   
More Than

3 - 4 years
Past Due
   
More Than
4 - 5 years
Past Due
   
Total
 
Gross Carrying Amount
   2,974,069    469,599    65,999    47,705    24,498    19,394    215,954    —      —      3,817,218 
Loss Allowance
   25,655    6,767    1,690    1,242    10,793    8,651    145,475    —      —      200,273 
 
(**)
Other Assets includes trade receivables, subscriber receivables, other assets and cash and cash equivalents from financial services.
 
Impairment losses
Individual receivables, which are known to be uncollectible are written off by reducing the carrying amount directly. The other receivables are assessed collectively to determine whether there is objective evidence that an impairment has been incurred but not yet identified. The Group considers that there is evidence of impairment if any of the following indicators are present:
 
  
Significant financial difficulties of the customer
 
  
Probability that the customer will enter bankruptcy or financial reorganization, and
 
  
Default or delinquency in payments
Receivables for which an impairment provision was recognized are written off against the provision when there is no expectation of recovering additional cash.
Impairment losses are recognized in profit or loss within net impairment losses on financial and contract assets (Note 10). Subsequent recoveries of amounts previously written off are credited against Net impairment losses on financial and contract assets (Note 10).
Movements in the provision for impairment of trade receivables, contract assets, other assets and due from related parties are as follows:
 
   
31 December

2019

Contract Asset
   
31 December
2019

Other Asset
 
Opening balance
   7,370    730,811 
Provision for impairment recognized during the year
   1,105    376,107 
Amounts collected
   —      (147,858
Transfer
   (3,785   3,785 
Receivables written off during the year as uncollectible
   —      (346,049
Exchange differences
   —      10,782 
  
 
 
   
 
 
 
Closing balance
  
 
4,690
 
  
 
627,578
 
  
 
 
   
 
 
 
 
   
31 December

2018

Contract Asset
   
31 December
2018
Other Asset
 
Opening balance
   5,128    661,928 
Provision for impairment recognized during the year
   2,242    416,557 
Amounts collected
   —      (166,641
Unused amount reversed (*)
   —      (73,023
Receivables written off during the year as uncollectible
   —      (118,553
Exchange differences
   —      10,540 
Disposal of subsidiaries
   —      3 
  
 
 
   
 
 
 
Closing balance
  
 
7,370
 
  
 
730,811
 
  
 
 
   
 
 
 
 
 (*)
The Company signed a transfer of claim agreement with a debt management company to transfer some of its doubtful receivables stemming from the years between 1998 to 2016. Transferred doubtful receivables comprise of balances that the Company started legal proceedings for.
 
Movements in the provision for impairment of trade receivables, subscriber receivables, other assets and cash and cash equivalents from financial services are as follows:
 
   
31 December

2019
   
31 December
2018
 
Opening balance
   200,273    125,943 
Provision for impairment recognized during the year
   245,365    190,509 
Amounts collected
   (135,862   (96,278
Receivables written off during the year as uncollectible
   (147,067   —   
Exchange differences
   791    —   
Unused amount reversed (*)
   —      (19,901
  
 
 
   
 
 
 
Closing balance
  
 
163,500
 
  
 
200,273
 
  
 
 
   
 
 
 
 
 (*)
The Company signed a transfer of claim agreement with a debt management company to transfer some of its doubtful receivables stemming from the year 2017. Transferred doubtful receivables comprise of balances that the Company started legal proceedings for.
 
Liquidity risk
The table below analyses the Group’s financial liabilities by considering relevant maturity groupings based on their contractual maturities for:
 
 
 
all
non-derivative
financial liabilities, and
 
 
 
gross settled derivative financial instruments for which contractual maturities are essential for an understanding of the timing of the cash flows,
 
 
 
31 December 2019
 
 
31 December 2018
 
 
 
Carrying
Amount
 
 
Contractual
cash flows
 
 
6 months
or less
 
 
6-12

Months
 
 
1-2
years
 
 
2-5
years
 
 
More than
5 Years
 
 
Carrying
Amount
 
 
Contractual
cash flows
 
 
6 months
or less
 
 
6-12

months
 
 
1-2
years
 
 
2-5
years
 
 
More than
5 Years
 
Non-derivative
financial liabilities
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
Secured bank loans
 
 
2,415
 
 
 
(2,587
 
 
(1,329
 
 
(1,258
 
 
—  
 
 
 
—  
 
 
 
—  
 
 
 
4,180
 
 
 
(4,712
 
 
(1,272
 
 
(1,209
 
 
(2,231
 
 
—  
 
 
 
—  
 
Unsecured bank loans
 
 
12,804,467
 
 
 
(13,688,718
 
 
(4,246,288
 
 
(2,586,232
 
 
(1,338,152
 
 
(3,684,289
 
 
(1,833,757
 
 
13,526,847
 
 
 
(14,353,989
 
 
(4,354,548
 
 
(2,065,424
 
 
(3,587,398
 
 
(2,503,531
 
 
(1,843,088
Debt securities issued
 
 
5,965,790
 
 
 
(8,446,514
 
 
(318,861
 
 
(168,861
 
 
(337,723
 
 
(1,013,168
 
 
(6,607,901
 
 
5,210,562
 
 
 
(7,733,943
 
 
(228,838
 
 
(149,564
 
 
(299,128
 
 
(897,385
 
 
(6,159,028
Lease liabilities
 
 
1,533,055
 
 
 
(2,456,542
 
 
(382,558
 
 
(261,285
 
 
(406,413
 
 
(662,767
 
 
(743,519
 
 
1,413,956
 
 
 
(2,497,426
 
 
(372,682
 
 
(273,273
 
 
(410,826
 
 
(666,760
 
 
(773,885
Trade and other payables*
 
 
2,728,485
 
 
 
(2,789,258
 
 
(2,694,568
 
 
(94,690
 
 
—  
 
 
 
—  
 
 
 
—  
 
 
 
2,372,512
 
 
 
(2,440,300
 
 
(2,440,300
 
 
—  
 
 
 
—  
 
 
 
—  
 
 
 
—  
 
Due to related parties
 
 
12,082
 
 
 
(12,082
 
 
(12,082
 
 
—  
 
 
 
—  
 
 
 
—  
 
 
 
—  
 
 
 
45,331
 
 
 
(45,331
 
 
(45,331
 
 
—  
 
 
 
—  
 
 
 
—  
 
 
 
—  
 
Consideration payable in relation to acquisition of Belarusian Telecom (Note 28)
 
 
359,554
 
 
 
(594,020
 
 
—  
 
 
 
—  
 
 
 
—  
 
 
 
—  
 
 
 
(594,020
 
 
358,304
 
 
 
(526,090
 
 
—  
 
 
 
—  
 
 
 
—  
 
 
 
(526,090
 
 
—  
 
Derivative financial liabilities
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
Participating Cross Currency Swap and FX swap contracts
 
 
86,617
 
 
 
(139,936
 
 
(46,104
 
 
(14,625
 
 
(25,514
 
 
(49,492
 
 
(4,201
 
 
165,265
 
 
 
97,761
 
 
 
55,377
 
 
 
—  
 
 
 
12,960
 
 
 
14,522
 
 
 
14,902
 
Buy
 
   
 
 
8,577,016
 
 
 
6,947,440
 
 
 
130,640
 
 
 
254,156
 
 
 
708,073
 
 
 
536,707
 
 
   
 
 
3,444,271
 
 
 
2,519,383
 
 
 
—  
 
 
 
193,800
 
 
 
249,288
 
 
 
481,800
 
Sell
 
   
 
 
(8,716,952
 
 
(6,993,544
 
 
(145,265
 
 
(279,670
 
 
(757,565
 
 
(540,908
 
   
 
 
(3,346,510
 
 
(2,464,006
 
 
—  
 
 
 
(180,840
 
 
(234,766
 
 
(466,898
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
TOTAL
 
 
23,492,465
 
 
 
(28,129,657
 
 
(7,701,790
 
 
(3,126,951
 
 
(2,107,802
 
 
(5,409,716
 
 
(9,783,398
 
 
23,096,957
 
 
 
(27,504,030
 
 
(7,387,594
 
 
(2,489,470
 
 
(4,286,623
 
 
(4,579,244
 
 
(8,761,099
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
*
Advances received, license fee accruals, taxes and withholding taxes payable are excluded from trade and other payables.
Foreign exchange risk
The Group’s exposure to foreign exchange risk at the end of the reporting period, based on notional amounts, was as follows:
 
   
31 December 2019
 
   
USD
   
EUR
   
RMB
 
Foreign currency denominated assets
      
Other
non-current
assets
   71    5,412    —   
Financial asset at fair value through other comprehensive income
   1,393    50,721    —   
Due from related parties-current
   152    581    —   
Trade receivables and contract assets
   17,383    38,496    —   
Other current assets
   10,602    4,979    —   
Cash and cash equivalents
   173,376    1,203,574    —   
  
 
 
   
 
 
   
 
 
 
  
 
202,977
 
  
 
1,303,763
 
  
 
—  
 
  
 
 
   
 
 
   
 
 
 
Foreign currency denominated liabilities
      
Loans and
borrowings-non-current
   (351,444   (577,675   (192,367
Debt securities
issued-non-current
   (923,188   —      —   
Lease
obligations-non-current
   (2,399   (19,282   —   
Other
non-current
liabilities
   (60,529   —      —   
Loans and borrowings-current
   (402,507   (385,371   (44,880
Debt securities issued-current
   (55,060   —      —   
Lease obligations-current
   (725   (5,178   —   
Trade and other payables-current
   (156,320   (44,103   (555
Due to related parties
   (1,022   (51   —   
  
 
 
   
 
 
   
 
 
 
  
 
(1,953,194
  
 
(1,031,660
  
 
(237,802
  
 
 
   
 
 
   
 
 
 
Loans defined as hedging instruments (*)
   —      145,105    —   
Exposure related to derivative instruments
      
Participating cross currency swap and FX swap contracts
   1,830,226    (430,816   234,367 
  
 
 
   
 
 
   
 
 
 
Net exposure
  
 
80,009
 
  
 
(13,608
  
 
(3,435
  
 
 
   
 
 
   
 
 
 
 
 (*)
The Company designated EUR 145,105 of bank loan, as hedging instruments in order to hedge the foreign currency risk arising from the translation of net assets of the subsidiaries operating in Europe from EUR to Turkish Lira. Foreign exchange gains/losses of the related loans are recognized under equity as “gains/(losses) on net investment hedges” in order to offset the foreign exchange gains/(losses) arising from the translation of the net assets of investments in foreign operations to Turkish Lira.
The table above shows the Company’s distribution of balance sheet and derivative foreign exchange position should be taken into account with nominal values of the option transactions. The Company monitors the delta adjusted position of the option transactions. As of 31 December 2019, the Company has USD 129,825 net foreign currency position.
 
   
31 December 2018
 
   
USD
   
EUR
   
RMB
 
Foreign currency denominated assets
      
Other
non-current
assets
   222    11    —   
Financial asset at fair value through other comprehensive income
   —      7,043    —   
Due from related parties-current
   1,965    223    —   
Trade receivables and contract assets
   15,786    52,140    —   
Other current assets
   70,710    18,977    —   
Cash and cash equivalents
   786,322    384,800    —   
  
 
 
   
 
 
   
 
 
 
  
 
875,005
 
  
 
463,194
 
   —   
  
 
 
   
 
 
   
 
 
 
Foreign currency denominated liabilities
      
Loans and
borrowings-non-current
   (481,438   (748,142   (224,519
Debt securities
issued-non-current
   (921,102   —      —   
Lease
obligations-non-current
   (4,719   (24,068   —   
Other
non-current
liabilities
   (68,107   —      —   
Loans and borrowings-current
   (390,876   (523,595   (29,244
Debt securities issued-current
   (55,074   —      —   
L
ease obligations-current
   (2,951   (8,223   —   
Trade and other payables-current
   (233,805   (32,946   (70,553
Due to related parties
   (686   (52   —   
  
 
 
   
 
 
   
 
 
 
  
 
(2,158,758
  
 
(1,337,026
  
 
(324,316
  
 
 
   
 
 
   
 
 
 
Exposure related to derivative instruments
      
Participating cross currency swap and FX swap contracts
   1,082,036    811,167    202,600 
  
 
 
   
 
 
   
 
 
 
Net exposure
  
 
(201,717
  
 
(62,665
  
 
(121,716
  
 
 
   
 
 
   
 
 
 
Exposure to currency risk
Sensitivity analysis
The basis for the sensitivity analysis to measure foreign exchange risk is an aggregate corporate-level currency exposure. The aggregate foreign exchange exposure is composed of all assets and liabilities denominated in foreign currencies, the analysis excludes net foreign currency investments.
 
A 10% strengthening/weakening of the TL, UAH, BYN against the following currencies as at 31 December 2019 and 31 December 2018 would have increased/(decreased) profit or loss before by the amounts shown below. This analysis assumes that all other variables, in particular interest rates, remain constant.
 
Sensitivity analysis
 
31 December 2019
 
  
Profit/(Loss)
  
Equity
 
  
Appreciation of
foreign currency
  
Depreciation of
foreign currency
  
Appreciation of
foreign currency
  
Depreciation of
foreign currency
 
1-
USD net asset/liability
  47,527   (47,527  —     —   
2-
Hedged portion of USD risk (-)
  —     —     (6,135  6,135 
 
 
 
  
 
 
  
 
 
  
 
 
 
3-
USD net effect (1+2)
 
 
47,527
 
 
 
(47,527
 
 
(6,135
 
 
6,135
 
 
 
 
  
 
 
  
 
 
  
 
 
 
4-
EUR net asset/liability
  (9,050  9,050   —     —   
5-
Hedged portion of EUR risk (-)
  —     —     (39,558  39,558 
 
 
 
  
 
 
  
 
 
  
 
 
 
6-
EUR net effect (4+5)
 
 
(9,050
 
 
9,050
 
 
 
(39,558
 
 
39,558
 
 
 
 
  
 
 
  
 
 
  
 
 
 
7-
Other foreign currency net asset/liability (RMB)
  (290  290   —     —   
8-
Hedged portion of other foreign currency risk (-) (RMB)
  —     —     (1,379  1,379 
9-
Other foreign currency net effect (7+8)
 
 
(290
 
 
290
 
 
 
(1,379
 
 
1,379
 
 
 
 
  
 
 
  
 
 
  
 
 
 
Total (3+6+9)
 
 
38,187
 
 
 
(38,187
 
 
(47,072
 
 
47,072
 
 
 
 
  
 
 
  
 
 
  
 
 
 
 
Sensitivity analysis
 
31 December 2018
 
  
Profit/(Loss)
  
Equity
 
  
Appreciation of
foreign currency
  
Depreciation of
foreign currency
  
Appreciation of
foreign currency
  
Depreciation of
foreign currency
 
1-
USD net asset/liability
  (106,121  106,121   —     —   
2-
Hedged portion of USD risk (-)
  —     —     (9,596  9,596 
 
 
 
  
 
 
  
 
 
  
 
 
 
3-
USD net effect (1+2)
 
 
(106,121
 
 
106,121
 
 
 
(9,596
 
 
9,596
 
 
 
 
  
 
 
  
 
 
  
 
 
 
4-
EUR net asset/liability
  (37,775  37,775   —     —   
5-
Hedged portion of EUR risk (-)
  —     —     (23,613  23,613 
 
 
 
  
 
 
  
 
 
  
 
 
 
6-
EUR net effect (4+5)
 
 
(37,775
 
 
37,775
 
 
 
(23,613
 
 
23,613
 
 
 
 
  
 
 
  
 
 
  
 
 
 
7-
Other foreign currency net asset/liability (RMB)
  (9,275  9,275   —     —   
8-
Hedged portion of other foreign currency risk (-) (RMB)
  —     —     364   (364
9-
Other foreign currency net effect (7+8)
 
 
(9,275
 
 
9,275
 
 
 
364
 
 
 
(364
 
 
 
  
 
 
  
 
 
  
 
 
 
Total (3+6+9)
 
 
(153,171
 
 
153,171
 
 
 
(32,845
 
 
32,845
 
 
 
 
  
 
 
  
 
 
  
 
 
 
 
 
Interest rate risk
As at 31 December 2019 and 2018 the interest rate profile of the Group’s variable rate interest-bearing financial instruments was:
 
       
31 December 2019
  
31 December 2018
 
   
Note
   
Effective
Interest
Rate
  
Carrying
Amount
  
Effective
interest
rate
  
Carrying
Amount
 
Variable rate instruments
       
USD floating rate loans
   29    4.4  (4,478,622  4.3  (4,589,157
EUR floating rate loans
   29    2.2  (5,638,725  2.1  (6,975,890
Sensitivity analysis
Cash flow sensitivity analysis for variable rate instruments:
An increase/decrease of interest rates by 100 basis points would have (decreased)/increased equity and profit or loss by the amounts shown below. This analysis assumes that all other variables, in particular foreign exchange rates, remain constant. The analysis is performed on the same basis at 31 December 2019 and 2018:
 
   
Profit or loss
   
Equity
 
   
100 bps
increase
  
100 bps
decrease
   
100 bps
increase
   
100 bps
decrease
 
31 December 2019
       
Variable rate instruments (financial liability)
   (225,528  225,528    —      —   
  
 
 
  
 
 
   
 
 
   
 
 
 
Cash flow sensitivity (net)
   (225,528  225,528    —      —   
  
 
 
  
 
 
   
 
 
   
 
 
 
31 December 2018
       
Variable rate instruments (financial liability)
   (234,196  234,196    —      —   
  
 
 
  
 
 
   
 
 
   
 
 
 
Cash flow sensitivity (net)
   (234,196  234,196    —      —   
  
 
 
  
 
 
   
 
 
   
 
 
 
Fair values
Fair value of the Group’s financial assets and financial liabilities that are measured at fair value on a recurring basis
This section explains the judgments and estimates made in determining the fair values of the financial instruments that are recognized and measured at fair value in the financial statements. To provide an indication about the reliability of the inputs used in determining fair value, the Group has classified its financial instruments into the three levels prescribed under the accounting standards. An explanation of each level is as follows:
 
  
Level 1 inputs are quoted prices (unadjusted) in active markets for identical assets or liabilities that the entity can access at the measurement date;
 
  
Level 2 inputs are inputs, other than quoted prices included within Level 1, that are observable for the asset or liability, either directly or indirectly; and
 
  
Level 3 inputs are unobservable inputs for the asset or liability.
 
Valuation inputs and relationships to fair value
The following table summarizes the quantitative information about the significant unobservable inputs used in level 3 fair value measurement of contingent consideration.
 
  
Fair value at
    
Inputs
   
  
31 December
2019
  
31 December
2018
  
Unobservable
Inputs
 
31 December
2019
  
31 December
2018
  
Relationship of unobservable
inputs to fair value
Contingent consideration
 
 
359,554
 
 
 
358,304
 
 
Risk-adjusted
discount rate
 
 
5.2% - 6.1%
 
 
 
9.5%
 
 
An increase/decrease in the discount rate by 100 bps would change FV by TL (28,622) and TL 31,460, respectively.
   Expected settlement date  

 
in
instalments
between
2026-2030
 
 
 
 
  first quarter
of 2023
 
 
 If expected settlement date increase/decrease by
1-year,
FV would change by TL (19,588) and TL 20,720, respectively.
Changes in the consideration payable in relation to acquisition of Belarusian Telecom for the years ended 31 December 2019 and 31 December 2018 are stated below:
 
   
2019
   
2018
 
Opening balance
   358,304    323,691 
Gains recognized in profit or loss
   1,250    34,613 
  
 
 
   
 
 
 
Closing balance
  
 
359,554
 
  
 
358,304
 
  
 
 
   
 
 
 
Financial assets:
Carrying values of a significant portion of financial assets do not differ significantly from their fair values due to their short-term nature. Fair values of financial assets are presented in Note 25.
Financial liabilities:
As at 31 December 2018, fair values of financial liabilities not materially different to their carrying amounts since the interest payable on those borrowings is either close to current market rates or the borrowings are of a short term nature.
As at 31 December 2019, for the majority of the borrowings, the fair values are not materially different to their carrying amounts since the interest payable on those borrowings is either close to current market rates or the borrowings are of a short term nature. Material differences are identified only for the following borrowings:
 
   
Carrying
amount
   
Fair

value
 
Bank loans
   4,149,275    4,192,304 
  
 
 
   
 
 
 
As at 31 December 2019, the fair value of debt securities issued by the Company in 2015 with a nominal value of USD 500,000 and fixed interest rate (Note 29), is TL 3,058,366(31 December 2018: TL 2,380,855).
As at 31 December 2019, the fair value of debt securities issued by the Company in 2018 with a nominal value of USD 500,000 and fixed interest rate (Note 29), is TL 2,961,300(31 December 2018: TL 2,329,011).
Fair value of cash and cash equivalents and debt securities issued are classified as level 1 and fair value of other financial assets and liabilities are classified as level 2.