26.

NET REVENUE

Disaggregation of revenue from contracts with customers


Product	Year Ended December 31, 2018
	NT$ (In Millions)
Wafer	$	911,296.4
Others		120,177.2


	$	1,031,473.6


Geography	Year Ended December 31, 2018
	NT$ (In Millions)
Taiwan	$	78,260.8
United States		632,821.5
China		175,794.2
Europe, the Middle East and Africa		71,068.5
Japan		58,125.9
Others		15,402.7


	$	1,031,473.6

The Company categorized the net revenue mainly based on the countries where the customers are headquartered.


Application Type	Year Ended December 31, 2018
	NT$ (In Millions)
Communication	$	578,923.7
Industrial/Standard		234,153.4
Computer		144,614.1
Consumer		73,782.4


	$	1,031,473.6


Resolution	Year Ended December 31, 2018
	NT$ (In Millions)
7-nanometer	$	81,680.7
10-nanometer		96,989.5
16/20-nanometer		210,989.0
28-nanometer		178,440.4
40/45-nanometer		101,801.0
65-nanometer		76,122.3
90-nanometer		36,652.1
0.11/0.13 micron		20,677.7
0.15/0.18 micron		81,182.6
0.25 micron and above		26,761.1


Wafer revenue	$	911,296.4

Contract balances


	January 1, 2018		December 31, 2018
	NT$ (In Millions)		NT$ (In Millions)

Contract liabilities (classified under accrued expenses and other current liabilities)	$	32,434.8	$	4,684.0

The changes in the contract liability balances primarily result from the timing difference between the satisfaction of performance obligation and the customer’s payment.

For the year ended December 31, 2018, the Company recognized NT$31,770.0 million as revenue from the beginning balance of contract liability.

Refund liabilities

Estimated sales returns and other allowances is made and adjusted based on historical experience and the consideration of varying contractual terms, which amounted to NT$55,406.0 million for the year ended December 31, 2018. As of December 31, 2018, the aforementioned refund liabilities amounted to NT$22,672.6 million (classified under accrued expenses and other current liabilities).