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Cash Generated from Operations (Tables) | 12 Months Ended
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Dec. 31, 2020
Text block [abstract] |
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 |

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