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Trade and Other Payables - Summary of Other Payables (Detail) - KRW (₩)
₩ in Millions
Dec. 31, 2019
Dec. 31, 2018
Trade and other payables [abstract]    
Non-trade payables ₩ 5,275,224 ₩ 5,191,268
Accrued expenses 987,624 904,135
Operating deposits 910,045 819,968
Others 200,277 202,453
Less: non-current (1,080,487) (1,406,123)
Current ₩ 6,292,683 ₩ 5,711,701