Merger and Acquisition Pro Forma (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	9 Months Ended
Sep. 27, 2015	Sep. 28, 2014	Sep. 27, 2015	Sep. 28, 2014
Business Combinations [Abstract]
Net sales	$ 6,363	$ 6,993	$ 20,323	$ 21,626
Net income	$ 12	$ 608	$ 1,116	$ 1,500
Basic (loss)/earnings per share (in dollars per share)	$ (0.14)	$ 0.36	$ 0.48	$ 0.80
Diluted (loss)/earnings per share (in dollars per share)	$ (0.14)	$ 0.35	$ 0.47	$ 0.78

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

-URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463

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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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