Reorganization of Business (Reorganization Of Businesses Accruals) (Details) (USD $)	3 Months Ended
Apr. 04, 2015	Mar. 29, 2014
Restructuring Reserve [Roll Forward]
January 1, 2015	$ 57,000,000us-gaap_RestructuringReserve
Additional Charges	14,000,000us-gaap_RestructuringCharges
Adjustments	1,000,000	(1,000,000)
Amount Used	(28,000,000)us-gaap_PaymentsForRestructuring
April 4, 2015	44,000,000us-gaap_RestructuringReserve
Exit costs
Restructuring Reserve [Roll Forward]
January 1, 2015	0
Additional Charges	4,000,000
Adjustments	1,000,000
Amount Used	0
April 4, 2015	5,000,000
Employee separation costs
Restructuring Reserve [Roll Forward]
January 1, 2015	57,000,000
Additional Charges	10,000,000	8,000,000
Adjustments	0
Amount Used	(28,000,000)
April 4, 2015	$ 39,000,000

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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- Definition

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

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

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-Publisher FASB

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-SubTopic 10

-Section 50

-Paragraph 1

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section P

-Subsection 3, 4

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- Definition

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section S99

-Paragraph 2

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- Definition

Amount of (expense) reversal of expense related to a previously accrued restructuring cost liability. Excludes adjustments for costs incurred, costs settled, and foreign currency translation adjustments.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-Subparagraph (b)

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-Topic 420

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