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Trade and Other Payables - Summary of Trade and Other Payables (Detail) - KRW (₩)
₩ in Millions
Dec. 31, 2020
Dec. 31, 2019
Current liabilities    
Trade payables ₩ 1,239,717 ₩ 1,304,795
Other payables 4,970,382 6,292,683
Total 6,210,099 7,597,478
Non-current liabilities    
Trade payables 1,528 1,733
Other payables 806,012 1,080,487
Total ₩ 807,540 ₩ 1,082,220