Fair Value Measurements (Details 3) - USD ($) $ in Millions	Jul. 03, 2015	Dec. 31, 2014
Other fair value disclosures
Long-term debt, including the current portion, carrying amount	$ 28,008	$ 22,615
Long-term debt, including the current portion, fair value	$ 28,266	$ 23,411

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

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Name:	us-gaap_LongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant