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Cash Generated from Operations (Tables)
 12 Months Ended
Dec. 31, 2020
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Summary of Cash Flows from Operating Activities
Cash flows from operating activities for the years ended December 31, 2018, 2019 and 2020, are as follows:
 
(In millions of Korean won)
  
2018
 
 
2019
 
 
2020
 
1. Profit for the year
  
￦
 719,412
 
 
￦
 695,868
 
 
￦
746,256
 
2. Adjustments to reconcile net income
  
   
 
   
 
   
Income tax expense
  
 
314,565
 
 
 
320,060
 
 
 
285,349
 
Interest income
  
 
(265,817
) 
 
 
(303,722
) 
 
 
(291,425
) 
Interest expense
  
 
296,894
 
 
 
278,975
 
 
 
265,035
 
Dividends income
  
 
(2,910
) 
 
 
(3,408
) 
 
 
(4,442
) 
Depreciation
  
 
2,735,413
 
 
 
2,567,754
 
 
 
2,635,307
 
Amortization of intangible assets
  
 
629,526
 
 
 
660,705
 
 
 
628,154
 
Depreciation of
right-of-use
assets
  
 
—  
 
 
 
433,199
 
 
 
404,174
 
Provision for severance benefits
  
 
245,926
 
 
 
256,525
 
 
 
255,615
 
Impairment losses on trade receivables
  
 
113,064
 
 
 
60,193
 
 
 
139,957
 
Share of net profit or loss of associates and joint ventures
  
 
5,912
 
 
 
3,252
 
 
 
(18,041
) 
Loss(gain) on disposal of associates and joint ventures
  
 
(3,737
) 
 
 
30
 
 
 
111
 
Loss(gain) on disposal of
right-of-use
assets
  
 
—  
 
 
 
1,556
 
 
 
2,047
 
Impairment losses on assets held for sale
  
 
—  
 
 
 
7,586
 
 
 
—  
 
Loss on disposal of property and equipment and investment in properties
  
 
68,688
 
 
 
49,284
 
 
 
55,590
 
Loss(gain) on disposal of intangible assets
  
 
(4,256
) 
 
 
(1,248
) 
 
 
246
 
Loss on impairment of intangible assets
  
 
12,997
 
 
 
61,899
 
 
 
211,636
 
Loss(gain) on foreign currency translation
  
 
68,952
 
 
 
75,998
 
 
 
(138,011
) 
Loss(gain) on valuation and settlement of derivatives, net
  
 
(92,210
) 
 
 
(70,482
) 
 
 
155,600
 
Loss(gain) on disposal of financial assets at fair value through profit or loss
  
 
(1,712
) 
 
 
(5,115
) 
 
 
329
 
Gain on valuation of financial assets at fair value through profit or loss
  
 
(10,768
) 
 
 
(4,335
) 
 
 
(59,044
) 
Loss(gain) on disposal of financial assets at amortized cost
  
 
(44
) 
 
 
43
 
 
 
(138
) 
Others
  
 
(55,969
) 
 
 
143,500
 
 
 
127,949
 
3. Changes in operating assets and liabilities
  
   
 
   
 
   
Decrease(increase) in trade receivables
  
 
(81,217
) 
 
 
(433,292
) 
 
 
66,462
 
Decrease(Increase) in other receivables
  
 
356,643
 
 
 
(79,130
) 
 
 
685,209
 
Decrease(increase) in other current assets
  
 
(123,258
) 
 
 
984
 
 
 
9,089
 
Decrease(increase) in other
non-current
assets
  
 
19,556
 
 
 
(178,180
) 
 
 
(86,039
) 
Decrease(increase) in inventories
  
 
(480,543
) 
 
 
240,488
 
 
 
288,507
 
Increase(decrease) in trade payables
  
 
(167,841
) 
 
 
44,354
 
 
 
(135,760
) 
Decrease in other payables
  
 
(448,301
) 
 
 
(102,375
) 
 
 
(1,232,646
) 
Increase in other current liabilities
  
 
291,548
 
 
 
43,384
 
 
 
127,076
 
Increase(decrease) in other
non-current
liabilities
  
 
144,072
 
 
 
(199,547
) 
 
 
(56,319
) 
Decrease(Increase) in provisions
  
 
85,946
 
 
 
(12,164
) 
 
 
2,264
 
Decrease(Increase) in deferred revenue
  
 
48,201
 
 
 
641
 
 
 
(1,948
) 
Increase in plan assets
  
 
(53,301
) 
 
 
(375,499
) 
 
 
(136,336
) 
Payment of severance benefits
  
 
(153,209
) 
 
 
(119,716
) 
 
 
(186,520
) 
 
  
 
 
 
 
 
 
 
 
 
 
 
4. Cash generated from operations (1+2+3)
  
￦
 4,212,222
 
 
￦
 4,058,065
 
 
￦
 4,745,293
 
 
  
 
 
 
 
 
 
 
 
 
 
 
Summary of Significant Transactions not Affecting Cash Flows
Significant transactions not affecting cash flows for the years ended December 31, 2018, 2019 and 2020, are as follows:
 
(In millions of Korean won)
  
2018
  
2019
  
2020
 
Reclassification of the current portion of borrowings
  
￦
1,149,599  
￦
1,030,056  
￦
1,229,359 
Reclassification of
construction-in-progress
to property and equipment
   1,988,014   2,698,146   3,011,519 
Reclassification of accounts payable from property and equipment
   122,185   685,859   22,052 
Reclassification of accounts payable from intangible assets
   584,595   (356,911)   (345,675) 
Reclassification of payable from defined benefit liability
   (31,838)   (19,053)   72,346 
Reclassification of payable from plan assets
   (9,497)   (14,298)   66,046