Supplemental Cash Flow Information (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended	0 Months Ended	3 Months Ended
	Dec. 31, 2014	Jan. 15, 2014	Mar. 31, 2014
Supplemental Cash Flow Information (Details) [Line Items]
Stock Issued During Period, Value, New Issues (in Dollars)	$ 400
Convertible Preferred Stock, Series A [Member] | Additional Amount Issued at Closing [Member] | Samsung Corning Precision Materials Co., Ltd. [Member]
Supplemental Cash Flow Information (Details) [Line Items]
Stock Issued During Period, Shares, New Issues		400	400
Stock Issued During Period, Value, New Issues (in Dollars)		$ 400	$ 400
Convertible Preferred Stock, Series A [Member] | Samsung Corning Precision Materials Co., Ltd. [Member]
Supplemental Cash Flow Information (Details) [Line Items]
Stock Issued During Period, Shares, Acquisitions		1,900	1,900