Other Current Monetary Assets

12 Months Ended

Dec. 31, 2018

Disclosure Of Other Current Monetary Assets [Abstract]

Other Current Monetary Assets

14. OTHER CURRENT MONETARY ASSETS

	December 31
	2017		2018
	NT$		NT$
	(In Millions)
Time deposits and negotiable certificates of deposit    with  maturities of more than three months	$	4,054	$	8,157
Others		1,254		1,347
	$	5,308	$	9,504

The annual yield rates of time deposits and negotiable certificates of deposit with maturities of more than three months at the balance sheet dates were as follows:

	December 31
	2017	2018
Time deposits and negotiable certificates of deposit    with maturities of more than three months	0.06%-4.15%	0.03%-3.05%