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Additional Information of Expenses by Nature | 12 Months Ended
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Dec. 31, 2017
Text block1 [abstract] |
Additional Information of Expenses by Nature |
32. | ADDITIONAL INFORMATION OF EXPENSES BY NATURE
|  | Years Ended December 31 |
|  | 2015 |  |  | 2016 |  |  | 2017 |
|  | NT$ |  |  | NT$ |  |  | NT$ |
|  | (In Millions) |  |  | (In Millions) |  |  | (In Millions) |
a. Depreciation of property, plant and equipment |  |  |  |  |  |  |  |  |  |  |  |
Recognized in cost of revenue |  | $ | 204,126.2 |  |  | $ | 203,476.8 |  |  | $ | 235,985.2 |
Recognized in operating expenses |  |  | 15,152.2 |  |  |  | 16,583.1 |  |  |  | 19,746.3 |
Recognized in other operating income and expenses |  |  | 25.0 |  |  |  | 25.1 |  |  |  | 64.5 |
|  | $ | 219,303.4 |  |  | $ | 220,085.0 |  |  | $ | 255,796.0 |
b. Amortization of intangible assets |  |  |  |  |  |  |  |  |  |  |  |
Recognized in cost of revenue |  | $ | 1,642.1 |  |  | $ | 2,028.5 |  |  | $ | 2,135.5 |
Recognized in operating expenses |  |  | 1,560.1 |  |  |  | 1,714.9 |  |  |  | 2,211.2 |
|  | $ | 3,202.2 |  |  | $ | 3,743.4 |  |  | $ | 4,346.7 |
|  | Years Ended December 31 |
|  | 2015 |  |  | 2016 |  |  | 2017 |
|  | NT$ |  |  | NT$ |  |  | NT$ |
|  | (In Millions) |  |  | (In Millions) |  |  | (In Millions) |
c. Research and development expenses |  | $ | 65,544.6 |  |  | $ | 71,207.7 |  |  | $ | 80,732.5 |
d. Employee benefits expenses |  |  |  |  |  |  |  |  |  |  |  |
Post-employment benefits |  |  |  |  |  |  |  |  |  |  |  |
Defined contribution plans |  | $ | 2,002.6 |  |  | $ | 2,164.9 |  |  | $ | 2,369.9 |
Defined benefit plans |  |  | 278.9 |  |  |  | 272.2 |  |  |  | 271.5 |
|  |  | 2,281.5 |  |  |  | 2,437.1 |  |  |  | 2,641.4 |
Other employee benefits |  |  | 88,929.4 |  |  |  | 97,248.0 |  |  |  | 101,488.7 |
|  | $ | 91,210.9 |  |  | $ | 99,685.1 |  |  | $ | 104,130.1 |
Employee benefits expense summarized by function |  |  |  |  |  |  |  |  |  |  |  |
Recognized in cost of revenue |  | $ | 52,983.2 |  |  | $ | 58,493.5 |  |  | $ | 61,026.1 |
Recognized in operating expenses |  |  | 38,227.7 |  |  |  | 41,191.6 |  |  |  | 43,104.0 |
|  | $ | 91,210.9 |  |  | $ | 99,685.1 |  |  | $ | 104,130.1 |
In accordance with the amendments to the R.O.C. Company Act in May 2015 and the amended TSMC’s Articles of Incorporation approved by TSMC’s shareholders in its meeting held on June 7, 2016, TSMC shall allocate compensation to directors and profit sharing bonus to employees of TSMC not more than 0.3% and not less than 1% of annual profits during the period, respectively. Prior to the amendments, TSMC’s Articles of Incorporation provided that, when allocating the net profits for each fiscal year, TSMC shall first set aside legal capital reserve and special capital reserve, then set aside not more than 0.3% of the balance as compensation to directors and not less than 1% as profit sharing bonus to employees, respectively. TSMC accrued profit sharing bonus to employees based on a percentage of net income before income tax, profit sharing bonus to employees and compensation to directors during the period, which amounted to NT$20,556.9 million, NT$22,418.3 million and NT$23,019.1 million for the years ended December 31, 2015, 2016 and 2017, respectively; compensation to directors was expensed based on estimated amount payable. If there is a change in the proposed amounts after the annual consolidated financial statements are authorized for issue, the differences are recorded as a change in accounting estimate. TSMC’s profit sharing bonus to employees and compensation to directors in the amounts of NT$20,556.9 million and NT$356.2 million in cash for 2015, respectively, had been approved by the Board of Directors on February 2, 2016. The profit sharing bonus to employees and compensation to directors in cash for 2015 had been reported to TSMC’s shareholders in its meeting held on June 7, 2016, after the amended TSMC’s Articles of Incorporation had been approved. The aforementioned approved amount has no difference with the one recognized in the consolidated financial statements for the year ended December 31, 2015. TSMC’s profit sharing bonus to employees and compensation to directors in the amounts of NT$22,418.3 million and NT$376.4 million in cash for 2016, respectively, and profit sharing bonus to employees and compensation to directors in the amounts of NT$23,019.1 million and NT$368.9 million in cash for 2017, respectively, had been approved by the Board of Directors of TSMC held on February 14, 2017 and February 13, 2018, respectively. There is no significant difference between the aforementioned approved amounts and the amounts charged against earnings of 2016 and 2017, respectively.

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