| (2) | Reconciliation of total segment operating income to consolidated operating profit from continuing operations for the years ended December 31, 2017, 2016 and 2015 are as follows: |
| (In millions of won) | 2017 | 2016 | 2015 | |||||||||
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Total segment operating income |
￦ | 1,536,626 | 1,535,744 | 1,708,006 | ||||||||
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Other operating income: |
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Gain on disposal of property and equipment and intangible assets |
13,991 | 6,908 | 7,140 | |||||||||
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Others(*1) |
18,006 | 59,640 | 23,795 | |||||||||
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| 31,997 | 66,548 | 30,935 | ||||||||||
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Other operating expenses: |
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Impairment loss on property and equipment and intangible assets |
(54,946 | ) | (24,506 | ) | (35,845 | ) | ||||||
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Loss on disposal of property and equipment and intangible assets |
(60,086 | ) | (63,797 | ) | (21,392 | ) | ||||||
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Donations |
(112,634 | ) | (96,633 | ) | (72,454 | ) | ||||||
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Bad debt for accounts receivable — other |
(5,793 | ) | (40,312 | ) | (15,323 | ) | ||||||
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Others(*2) |
(110,592 | ) | (73,626 | ) | (98,502 | ) | ||||||
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| (344,051 | ) | (298,874 | ) | (243,516 | ) | |||||||
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Consolidated operating profit from continuing operations |
￦ | 1,224,572 | 1,303,418 | 1,495,425 | ||||||||
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| (*1) | Others for the year ended December 31, 2016 include ￦25 billion of penalty refund. |
| (*2) | Others for the years ended December 31, 2017, 2016 and 2015 primarily consist of ￦21.4 billion, ￦7.6 billion and ￦29.5 billion of penalties, respectively, and various other expenses with inconsequential amounts. |
Since there are no intersegment sales of inventory or depreciable assets, there is no unrealized intersegment profit to be eliminated on consolidation. Domestic revenue for the years ended December 31, 2017, 2016 and 2015 amounts to ￦17,374 billion, ￦16,940 billion and ￦17,083 billion, respectively. Domestic non-current assets (excluding financial assets, investments in associates and joint ventures and deferred tax assets) as of December 31, 2017, 2016 and 2015 amount to ￦15,554 billion, ￦15,949 billion and ￦14,474 billion, and non-current assets outside of Korea amount to ￦257 billion, ￦286 billion and ￦287 billion, respectively.
No single customer contributed 10% or more to the Group’s total sales for the years ended December 31, 2017, 2016 and 2015.