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Changes in Liabilities Arising from Financing Activities - Summary of Changes in Liabilities Arising from Financial Activities (Detail) - KRW (₩) ₩ in Millions | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |
Beginning | ₩ 6,951,971 | ₩ 8,091,088
Cash flows | (217,061) | (1,164,282)
Newly acquired | 61,187 | 68,938
Exchange difference | 10,277 | (14,269)
Fair value change | 32,390 | (30,702)
Scope changes | 15,000 | (2,206)
Other changes | (6,388) | 3,404
Ending | 6,847,376 | 6,951,971
Borrowings [member] |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |
Beginning | 6,683,662 | 8,120,791
Cash flows | (139,715) | (1,163,917)
Exchange difference | 70,095 | (221,495)
Scope changes | 15,000 | (2,206)
Other changes | 19,252 | (49,511)
Ending | 6,648,294 | 6,683,662
Financial lease liabilities [member] |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |
Beginning | 176,878 | 180,714
Cash flows | (73,885) | (71,735)
Newly acquired | 61,187 | 68,938
Other changes | (322) | (1,039)
Ending | 163,858 | 176,878
Derivative assets [member] |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |
Beginning | (7,389) | (227,318)
Cash flows | 11,126 | 71,370
Exchange difference | (22,474) | 76,552
Fair value change | (3,419) | (2,687)
Other changes | (7,687) | 74,694
Ending | (29,843) | (7,389)
Derivative liabilities [member] |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |
Beginning | 98,820 | 16,901
Cash flows | (14,587) |
Exchange difference | (37,344) | 130,674
Fair value change | 35,809 | (28,015)
Other changes | (17,631) | (20,740)
Ending | ₩ 65,067 | ₩ 98,820

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- Definition The increase (decrease) in liabilities arising from financing activities. [Refer: Liabilities arising from financing activities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 44B -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_44B&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The increase (decrease) in liabilities arising from financing activities resulting from the effect of changes in foreign exchange rates. [Refer: Liabilities arising from financing activities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 44B -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_44B_c&doctype=Standard -URIDate 2018-03-16 + Details
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