| Years Ended December 31 | ||||||||||||
| 2015 | 2016 | 2017 | ||||||||||
| NT$ | NT$ | NT$ | ||||||||||
| (In Millions) | (In Millions) | (In Millions) | ||||||||||
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a. Depreciation of property, plant and equipment |
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Recognized in cost of revenue |
$ | 204,126.2 | $ | 203,476.8 | $ | 235,985.2 | ||||||
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Recognized in operating expenses |
15,152.2 | 16,583.1 | 19,746.3 | |||||||||
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Recognized in other operating income and expenses |
25.0 | 25.1 | 64.5 | |||||||||
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| $ | 219,303.4 | $ | 220,085.0 | $ | 255,796.0 | |||||||
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b. Amortization of intangible assets |
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Recognized in cost of revenue |
$ | 1,642.1 | $ | 2,028.5 | $ | 2,135.5 | ||||||
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Recognized in operating expenses |
1,560.1 | 1,714.9 | 2,211.2 | |||||||||
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| $ | 3,202.2 | $ | 3,743.4 | $ | 4,346.7 | |||||||
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| Years Ended December 31 | ||||||||||||
| 2015 | 2016 | 2017 | ||||||||||
| NT$ | NT$ | NT$ | ||||||||||
| (In Millions) | (In Millions) | (In Millions) | ||||||||||
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c. Research and development expenses |
$ | 65,544.6 | $ | 71,207.7 | $ | 80,732.5 | ||||||
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d. Employee benefits expenses |
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Post-employment benefits |
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Defined contribution plans |
$ | 2,002.6 | $ | 2,164.9 | $ | 2,369.9 | ||||||
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Defined benefit plans |
278.9 | 272.2 | 271.5 | |||||||||
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| 2,281.5 | 2,437.1 | 2,641.4 | ||||||||||
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Other employee benefits |
88,929.4 | 97,248.0 | 101,488.7 | |||||||||
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| $ | 91,210.9 | $ | 99,685.1 | $ | 104,130.1 | |||||||
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Employee benefits expense summarized by function |
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Recognized in cost of revenue |
$ | 52,983.2 | $ | 58,493.5 | $ | 61,026.1 | ||||||
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Recognized in operating expenses |
38,227.7 | 41,191.6 | 43,104.0 | |||||||||
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| $ | 91,210.9 | $ | 99,685.1 | $ | 104,130.1 | |||||||
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