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Consolidated Statements of Profit or Loss - KRW (₩) ₩ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Profit or loss [abstract] |  |  |
Operating revenue | ₩ 25,205,659 | ₩ 24,440,647 | ₩ 24,899,189
Revenue | 24,898,005 | 24,099,394 | 24,639,758
Other income | 307,654 | 341,253 | 259,431
Operating expenses | 23,506,262 | 23,418,314 | 23,872,219
Operating profit | 1,699,397 | 1,022,333 | 1,026,970
Finance income | 726,283 | 498,614 | 424,395
Finance costs | (563,330) | (507,383) | (432,133)
Share of net profits of associates and joint ventures | 116,061 | 18,041 | (3,304)
Profit before income tax | 1,978,411 | 1,031,605 | 1,015,928
Income tax expense | 519,016 | 285,349 | 320,060
Profit for the year | 1,459,395 | 746,256 | 695,868
Profit for the year attributable to: |  |  |
Profit (loss) for the year attributable to Owners of the Controlling Company | 1,356,878 | 700,889 | 645,703
Profit (loss) for the year attributable to Non-controlling interest | ₩ 102,517 | ₩ 45,367 | ₩ 50,165
Earnings per share attributable to the equity holders of the Controlling Company during the year (in Korean won): |  |  |
Basic earnings per share | ₩ 5,759 | ₩ 2,858 | ₩ 2,634
Diluted earnings per share | ₩ 5,747 | ₩ 2,858 | ₩ 2,632

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