Additional Accounting Policy and Balance Sheet Disclosures (Details) - USD ($) $ in Millions	Jun. 27, 2015	Dec. 31, 2014
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amount Of Derivatives	$ 6,620	$ 3,740
Derivatives Designated as Cash Flow Hedges [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amount Of Derivatives	$ 1,000

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration