| 13. | Property and Equipment |
(1) Property and equipment as of December 31, 2017 and 2016 are as follows:
| (In millions of won) | ||||||||||||||||
| December 31, 2017 | ||||||||||||||||
| Acquisition cost | Accumulated depreciation |
Accumulated impairment loss |
Carrying amount |
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Land |
￦ | 862,861 | — | — | 862,861 | |||||||||||
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Buildings |
1,638,749 | (756,099 | ) | — | 882,650 | |||||||||||
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Structures |
866,909 | (488,334 | ) | — | 378,575 | |||||||||||
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Machinery |
30,343,739 | (23,262,762 | ) | (1,179 | ) | 7,079,798 | ||||||||||
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Other |
1,722,441 | (1,188,893 | ) | (2,491 | ) | 531,057 | ||||||||||
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Construction in progress |
409,941 | — | — | 409,941 | ||||||||||||
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| ￦ | 35,844,640 | (25,696,088 | ) | (3,670 | ) | 10,144,882 | ||||||||||
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| (In millions of won) | ||||||||||||||||
| December 31, 2016 | ||||||||||||||||
| Acquisition cost | Accumulated depreciation |
Accumulated impairment loss |
Carrying amount |
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Land |
￦ | 835,909 | — | — | 835,909 | |||||||||||
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Buildings |
1,604,863 | (704,891 | ) | — | 899,972 | |||||||||||
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Structures |
812,010 | (453,055 | ) | — | 358,955 | |||||||||||
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Machinery |
29,705,088 | (22,667,047 | ) | (1,991 | ) | 7,036,050 | ||||||||||
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Other |
1,701,794 | (1,138,303 | ) | (457 | ) | 563,034 | ||||||||||
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Construction in progress |
680,292 | — | — | 680,292 | ||||||||||||
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| ￦ | 35,339,956 | (24,963,296 | ) | (2,448 | ) | 10,374,212 | ||||||||||
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| (2) | Changes in property and equipment for the years ended December 31, 2017 and 2016 are as follows: |
| (In millions of won) | ||||||||||||||||||||||||||||||||||||
| 2017 | ||||||||||||||||||||||||||||||||||||
| Beginning balance |
Acquisition | Disposal | Transfer(*) | Depreci- ation |
Impair- ment |
Business Combination |
Other | Ending balance |
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Land |
￦ | 835,909 | 13,093 | (4,449 | ) | 18,308 | — | — | — | — | 862,861 | |||||||||||||||||||||||||
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Buildings |
899,972 | 5,098 | (477 | ) | 29,614 | (51,557 | ) | — | — | — | 882,650 | |||||||||||||||||||||||||
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Structures |
358,955 | 46,614 | (74 | ) | 8,386 | (35,306 | ) | — | — | — | 378,575 | |||||||||||||||||||||||||
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Machinery |
7,036,050 | 656,731 | (41,692 | ) | 1,644,045 | (2,214,524 | ) | (778 | ) | — | (34 | ) | 7,079,798 | |||||||||||||||||||||||
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Other |
563,034 | 720,431 | (9,252 | ) | (597,404 | ) | (143,261 | ) | (2,234 | ) | 315 | (572 | ) | 531,057 | ||||||||||||||||||||||
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Construction in progress |
680,292 | 1,317,389 | (4,172 | ) | (1,583,560 | ) | — | — | — | (8 | ) | 409,941 | ||||||||||||||||||||||||
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| ￦ | 10,374,212 | 2,759,356 | (60,116 | ) | (480,611 | ) | (2,444,648 | ) | (3,012 | ) | 315 | (614 | ) | 10,144,882 | ||||||||||||||||||||||
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| (*) | Includes reclassification to intangible assets. |
| (In millions of won) | ||||||||||||||||||||||||||||
| 2016 | ||||||||||||||||||||||||||||
| Beginning balance |
Acquisition | Disposal | Transfer(*) | Depreciation | Impairment | Ending balance |
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Land |
￦ | 812,947 | 2,464 | (3,514 | ) | 24,012 | — | — | 835,909 | |||||||||||||||||||
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Buildings |
911,129 | 4,637 | (9,176 | ) | 43,910 | (50,528 | ) | — | 899,972 | |||||||||||||||||||
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Structures |
344,221 | 33,802 | (33 | ) | 15,145 | (34,180 | ) | — | 358,955 | |||||||||||||||||||
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Machinery |
7,342,009 | 660,629 | (45,672 | ) | 1,234,737 | (2,152,725 | ) | (2,928 | ) | 7,036,050 | ||||||||||||||||||
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Other |
473,438 | 807,047 | (6,052 | ) | (568,644 | ) | (142,700 | ) | (55 | ) | 563,034 | |||||||||||||||||
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Construction in progress |
487,512 | 1,154,424 | (9,710 | ) | (951,934 | ) | — | — | 680,292 | |||||||||||||||||||
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| ￦ | 10,371,256 | 2,663,003 | (74,157 | ) | (202,774 | ) | (2,380,133 | ) | (2,983 | ) | 10,374,212 | |||||||||||||||||
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| (*) | Includes reclassification to intangible assets. |