Other Financial Data (Other Charges) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Apr. 04, 2015	Mar. 29, 2014
Other charges:
Intangibles amortization	$ 2us-gaap_AmortizationOfIntangibleAssets	$ 1us-gaap_AmortizationOfIntangibleAssets
Reorganization of business	12us-gaap_OtherRestructuringCosts	9us-gaap_OtherRestructuringCosts
Gain on sale of building and land	0	(21)
Other charges (income):	$ 14us-gaap_OtherCostAndExpenseOperating	$ (11)us-gaap_OtherCostAndExpenseOperating

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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- Definition

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

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- Definition

The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation.

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- Definition

Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation.

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