Related Parties and Strategic Investments (Details 2) (Flash Ventures [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
Flash Ventures [Member]
ASSETS
Current assets	$ 494	$ 631
Property, plant, equipment, net and other assets	2,602	2,802
Total assets	3,096	3,433
LIABILITIES
Current liabilities	1,160	1,144
Long-term liabilities	934	1,186
Summarized Financial Information, Income Statement
Net sales(1)	3,296	3,589	4,787
Gross profit	18	31	8
Net income (loss)	$ 0	$ 28	$ (15)

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