Acquisitions & Divestitures Acquisitions, Pro Forma Information (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
Dec. 31, 2016	Dec. 26, 2015
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Business Acquisition, Pro Forma Revenue	$ 59,486	$ 56,906
Business Acquisition, Pro Forma Net Income (Loss)	$ 10,788	$ 10,510
Business Acquisition, Pro Forma Earnings Per Share, Diluted	$ 2.21	$ 2.15
Fair Value Adjustment to Inventory [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 387
Fair Value Adjustment to Deferred Income [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	64
Acquisition-related Costs [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 94

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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
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