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Income Taxes
12 Months Ended
Dec. 31, 2020
Income tax expense (benefit) [Abstract]  
Income Taxes
41.

Income Taxes

 

(1)

Income tax expense (benefit) for the years ended December 31, 2018, 2019 and 2020 are as follows:

 

           2018      2019      2020  
           In millions of won  

Current income tax expense

          

Payment of income tax

         378,715        538,223        671,179  

Adjustment in respect of prior years due to change in estimate

       (195,648      (176,441      (63,756

Current income tax directly recognized in equity

       101,528        (53,302      51,486  

Effect of change in accounting policy

       1,780        —          —    
    

 

 

    

 

 

    

 

 

 
       286,375        308,480        658,909  
    

 

 

    

 

 

    

 

 

 

Deferred tax expense (benefit)

          

Generation and realization of temporary differences

         (495,658      (636,984      (77,985

Changes of unrecognized tax losses, tax credit and temporary differences for prior periods

       (28,509      (22,469      (10,471

Changes in deferred tax on tax losses carryforwards

       (572,305      (582,011      296,070  

Tax credit carryforwards

       (16,224      (71,306      32,541  

Amount due to change in tax rate or regulations

       —          1,987        —    
    

 

 

    

 

 

    

 

 

 
       (1,112,696      (1,310,783      240,155  
    

 

 

    

 

 

    

 

 

 

Income tax expense (benefit)

         (826,321      (1,002,303      899,064  
    

 

 

    

 

 

    

 

 

 

 

(2)

Reconciliation between actual income tax expense (benefit) and amount computed by applying the statutory tax rate to profit (loss) before income taxes for the years ended December 31, 2018, 2019 and 2020 are as follows:

 

           2018     2019     2020  
           In millions of won  

Profit (loss) before income tax

         (2,000,819     (3,265,838     2,991,533  
    

 

 

   

 

 

   

 

 

 

Income tax expense (benefit) computed at applicable tax rate(*1)

       (550,225     (898,105     822,672  

Adjustments

        

Effect of applying gradual tax rate

       (1,408     10,362       (10,362

Effect of non-taxable income

       (1,705     (9,990     (13,593

Effect of non-deductible expenses

       40,151       12,197       46,776  

Effect of tax losses that are not recognized as deferred tax asset

       2,086       57,490       —    

Effects of tax credits and deduction

       (39,471     (76,983     (63,753

Recognition (reversal) of unrecognized deferred tax asset, net

       (28,509     (22,469     (10,471

Effect of change in deferred tax due to change in tax rate

       261       16,848       (17,590

Deduction of deferred tax assets

       —         —         55,682  

Deferred tax related to investments in subsidiaries, associates and joint ventures

       (52,618     147,598       102,137  

Others, net

       765       (62,810     51,322  
    

 

 

   

 

 

   

 

 

 
       (80,448     72,243       140,148  

Adjustment in respect of prior years due to change in estimate

       (195,648     (176,440     (63,756
    

 

 

   

 

 

   

 

 

 

Income tax expense (benefit)

         (826,321     (1,002,302     899,064  
    

 

 

   

 

 

   

 

 

 

Effective tax rate

       ( *2)      ( *2)      30.05

 

  (*1)

Applicable tax rate is 27.5% as of December 31, 2018, 2019 and 2020.

 

  (*2)

The effective tax rate for the year ended December 31, 2018 and 2019 is not calculated due to income tax benefit.

 

(3)

Income tax directly adjusted to equity (except for accumulated other comprehensive income (loss)) for the years ended December 31, 2018, 2019 and 2020 are as follows:

 

            2018      2019      2020  
            In millions of won  

Dividends of hybrid bond

          4,273        3,432        4,273  

 

(4)

Income tax recognized as other comprehensive income (loss) for the years ended December 31, 2018, 2019 and 2020 are as follows:

 

            2018      2019      2020  
            In millions of won  

Income tax recognized as other comprehensive income (loss)

           

Gain (loss) on valuation of financial assets at fair value through other comprehensive income

          35,798        (4,217      19,447  

Net change in the unrealized fair value of derivatives using cash flow hedge accounting

        6,639        (15,642      (47,231

Remeasurement of defined benefit liability

        53,703        (40,235      14,972  

Investments in associates

        6,592        4,275        35,714  

Others

        (5,477      (914      24,311  
     

 

 

    

 

 

    

 

 

 
          97,255        (56,733      47,213  
     

 

 

    

 

 

    

 

 

 

 

(5)

Changes in deferred tax assets (liabilities) recognized in the consolidated statements of financial position for the years ended December 31, 2019 and 2020 are as follow:

 

          2019  
          Beginning
balance
    Amounts
recognized
in profit
or loss
    Amount
recognized in
other
comprehensive
income (loss)
    Amounts
recognized
directly
in equity
    Others (*)     Ending
balance
 
          In millions of won  

Deferred tax on temporary differences

             

Employee benefits

        594,541       94,541       (40,235     —         —         648,847  

Cash flow hedge

      39,461       (23,977     (15,642     (841     —         (999

Investments in associates and subsidiaries

      (8,666,871     (3,131     4,275       —         —         (8,665,727

Property, plant and equipment

      (6,522,778     (592,440     —         —         —         (7,115,218

Finance lease

        (453,074     292,631       —         —         —         (160,443

Intangible assets

      6,055       (20,232     —         —         (41,729     (55,906

Financial assets at fair value through profit or loss

      19       322       —         —         —         341  

Financial assets at fair value through other comprehensive income

      25,576       (3,114     (4,217     —         —         18,245  

Deferred revenue

      219,742       (6,739     —         —         —         213,003  

Provisions

      4,800,946       655,973       —         —         —         5,456,919  

Doubtful receivables

      59       —         —         —         —         59  

Other financial liabilities

      39,493       (4,402     —         4,273       —         39,364  

Gains or losses on foreign exchange translation

      27,080       30,881       —         —         —         57,961  

Allowance for doubtful accounts

      58,756       (1,149     —         —         —         57,607  

Accrued income

      (2,914     (1,462     —         —         —         (4,376

Special deduction for property, plant and equipment

      (211,746     (3,627     —         —         —         (215,373

Others

      1,053,146       290,484       (914     —         —         1,342,716  
   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 
      (8,992,509     704,559       (56,733     3,432       (41,729     (8,382,980
   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 

Deferred tax on unused tax losses and tax credit

             

Unused tax losses

      554,457       557,356       —         —         —         1,111,813  

Excess of donation limit

      17,848       18,847       —         —         —         36,695  

Tax credit

      36,656       70,870       —         —         —         107,526  
   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 
      608,961       647,073       —         —         —         1,256,034  
   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 
        (8,383,548     1,351,632       (56,733     3,432       (41,729     (7,126,946
   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 

 

  (*)

‘Others’ include amount changed due to business combination. (see Note 51)

 

        2020  
        Beginning
balance
    Amounts
recognized
in profit

or loss
    Amount
recognized in
other
comprehensive
income (loss)
    Amounts
recognized
directly
in equity
    Ending
balance
 
        In millions of won  

Deferred tax on temporary differences

           

Employee benefits

      648,847       14,566       26,374       —         689,787  

Cash flow hedge

      (999     63,817       (47,231     —         15,587  

Investments in associates and subsidiaries

      (8,665,727     (38,002     35,714       —         (8,668,015

Property, plant and equipment

      (7,115,218     (598,231     —         —         (7,713,449

Finance lease

      (160,443     (50,977     —         —         (211,420

Intangible assets

      (55,906     24,740       —         —         (31,166

Financial assets at fair value through profit or loss

      341       (328     —         —         13  

Financial assets at fair value through other comprehensive income

      18,245       258       19,447       —         37,950  

Deferred revenue

      213,003       (13,302     —         —         199,701  

Provisions

      5,456,919       459,884       —         —         5,916,803  

Doubtful receivables

      59       (59     —         —         —    

Other financial liabilities

      39,364       (13,238     —         4,273       30,399  

Gains or losses on foreign exchange translation

      57,961       (69,596     —         —         (11,635

Allowance for doubtful accounts

      57,607       (1,478     —         —         56,129  

Accrued income

      (4,376     13,320       —         —         8,944  

Special deduction for property, plant and equipment

      (215,373     (10,978     —         —         (226,351

Others

      1,342,716       150,326       12,909       —         1,505,951  
   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 
      (8,382,980     (69,278     47,213       4,273       (8,400,772
   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 

Deferred tax on unused tax losses and tax credit

           

Unused tax losses

      1,111,813       (218,739     —         —         893,074  

Excess of donation limit

      36,695       (1,514     —         —         35,181  

Tax credit

      107,526       (2,110     —         —         105,416  
   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 
      1,256,034       (222,363     —         —         1,033,671  
   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 
      (7,126,946     (291,641     47,213       4,273       (7,367,101
   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 

 

(6)

Deferred tax assets (liabilities) recognized in the consolidated statements of financial position as of December 31, 2019 and 2020 are as follows:

 

            2019      2020  
            In millions of won  

Deferred tax assets

          1,437,829        1,733,146  

Deferred tax liabilities

        (8,564,775      (9,100,247
     

 

 

    

 

 

 
          (7,126,946      (7,367,101
     

 

 

    

 

 

 

 

(7)

Details of deductible temporary differences, tax losses and unused tax credits for which no deferred tax assets were recognized as of December 31, 2019 and 2020 are as follows:

 

            2019      2020  
            In millions of won  

Deductible temporary differences

          541,449        1,405,621