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Deferred Tax Assets and Liabilities
12 Months Ended
Dec. 31, 2019
Text block [abstract]  
Deferred Tax Assets and Liabilities
24.
Deferred Tax Assets and Liabilities
 
 (a)
Unrecognized deferred tax liabilities
As of December 31, 2019, in relation to the taxable temporary differences on investments in subsidiaries amounting to
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69,758 million, the Controlling Company did not recognize deferred tax liabilities since the Controlling Company is able to control the timing of the reversal of the temporary difference and it is probable that the temporary differences will not reverse in the foreseeable future.
 
 (b)
Unused tax credit carryforwards for which no deferred tax asset is recognized
Realization of deferred tax assets related to tax credit carryforwards which are primarily related to Korea is dependent on whether sufficient taxable income will be generated prior to their expiration. As of December 31, 2019, the amount of unused tax credit carryforwards for which no deferred tax asset is recognized and their expiration dates are as follows:
 
(In millions of won)
                        
   
Total
   
December 31,
2020
   
December 31,
2021
   
December 31,
2022
   
December 31,
2023
   
December 31,
2024
 
Tax credit carryforwards
  
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549,056    44,692    70,646    220,135    114,845    98,738 
 
 (c)
Deferred tax assets and liabilities are attributable to the following:
 
(In millions of won)
  
Assets
   
Liabilities
  
Total
 
   
December 31,
2018
   
December 31,
2019
   
December 31,
2018
  
December 31,
2019
  
December 31,
2018
  
December 31,
2019
 
Other accounts receivable, net
  
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—      —      (1,013  (4,364  (1,013  (4,364
Inventories, net
   60,606    89,522    —     —     60,606   89,522 
Investments in subsidiaries and associates
   13,404    —      —     (20,015  13,404   (20,015
Accrued expenses
   126,072    131,196    —     —     126,072   131,196 
Property, plant and equipment
   445,721    691,599    (1,495  (21,690  444,226   669,909 
Intangible assets
   3,468    21,886    (14,588  (10,759  (11,120  11,127 
Provisions
   32,468    59,875    —     (4,446  32,468   55,429 
Gain or loss on foreign currency translation, net
   13    —      —     —     13   —   
Others
   20,850    137,667    (7,665  (328  13,185   137,339 
Tax loss carryforwards
   134,845    607,432    —     —     134,845   607,432 
Tax credit carryforwards
   308,393    38,337    —     —     308,393   38,337 
  
 
 
   
 
 
   
 
 
  
 
 
  
 
 
  
 
 
 
Deferred tax assets (liabilities)
  
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1,145,840    1,777,514    (24,761  (61,602  1,121,079   1,715,912 
  
 
 
   
 
 
   
 
 
  
 
 
  
 
 
  
 
 
 
 (d)
Changes in deferred tax assets and liabilities for the years ended December 31, 2018 and 2019 are as follows:
 
(In millions of won)
  
January 1,
2018
  
Profit or
loss
  
Other
comprehensive
loss
  
December 31,
2018
  
Profit or
loss
  
Other
comprehensive
loss
  
December 31,
2019
 
Other accounts receivable, net
  
W
(1,441  428   —     (1,013  (3,351  —     (4,364
Inventories, net
   34,550   26,056   —     60,606   28,916   —     89,522 
Defined benefit liabilities, net
   2,375   (1,206  (1,169  —     35,235   (35,235  —   
Subsidiaries and associates
   29,061   (15,657  —     13,404   (33,419  —     (20,015
Accrued expenses
   183,903   (57,831  —     126,072   5,124   —     131,196 
Property, plant and equipment
   409,928   34,298   —     444,226   225,683   —     669,909 
Intangible assets
   (21,189  10,069   —     (11,120  22,247   —     11,127 
Provisions
   27,018   5,450   —     32,468   22,961   —     55,429 
Gain or loss on foreign currency translation, net
   13   —     —     13   (13  —     —   
Others
   27,562   (14,377  —     13,185   124,154   —     137,339 
Tax loss carryforwards
   —     134,845   —     134,845   472,587   —     607,432 
Tax credit carryforwards
   268,926   39,467   —     308,393   (270,056  —     38,337 
  
 
 
  
 
 
  
 
 
  
 
 
  
 
 
  
 
 
  
 
 
 
Deferred tax assets (liabilities)
  
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960,706   161,542   (1,169  1,121,079   630,068   (35,235  1,715,912