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Cash and Cash Equivalents

12 Months Ended

Dec. 31, 2018

Cash And Cash Equivalents [Abstract]

Cash and Cash Equivalents

7. CASH AND CASH EQUIVALENTS

		December 31
		2017				2018
		NT$				NT$
		(In Millions)
Cash
Cash on hand		$	383			$	463
Bank deposits			7,877				10,575
			8,260				11,038
Cash equivalents (investments with maturities of less    than three months)
Commercial paper		$	10,179			$	6,144
Negotiable certificate of deposit			7,950				7,600
Time deposits			2,436				2,863
			20,565				16,607
		$	28,825			$	27,645

The annual yield rates of bank deposits, commercial paper, negotiable certificates of deposit and time deposits as of balance sheet dates were as follows:

		December 31
		2017		2018
Bank deposits		0.00%-0.70%		0.00%-0.50%
Commercial paper		0.32%-0.40%		0.47%-0.57%
Negotiable certificate of deposit		0.40%-0.50%		0.55%-0.60%
Time deposits		0.52%-4.40%		0.09%-4.40%

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- Definition

The disclosure of cash and cash equivalents. [Refer: Cash and cash equivalents]

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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