Financial Instruments Tingyi (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 25, 2017	Mar. 19, 2016
Schedule of Equity Method Investments [Line Items]
Tingyi Charge	$ 0	$ 373
indirect equity investment percentage	5.00%
indirect equity investment [Table Text Block]	$ 166
Asia Middle East and North Africa
Schedule of Equity Method Investments [Line Items]
Tingyi Charge		$ (373)
Tingyi Charge per share		$ (0.26)