Share-Based Compensation Plans (Schedule Of Compensation Expense) (Details) (USD $) In Millions, except Per Share data	3 Months Ended	9 Months Ended
Oct. 01, 2011	Oct. 02, 2010	Oct. 01, 2011	Oct. 02, 2010
Share-based compensation expense included in Operating earnings	$ 45	$ 39	$ 123	$ 108
Tax benefit	14	12	39	33
Share-based compensation expense, net of tax	31	27	84	75
Decrease in basic earnings per share	$ (0.09)	$ (0.08)	$ (0.25)	$ (0.23)
Decrease in diluted earning per share	$ (0.09)	$ (0.08)	$ (0.24)	$ (0.22)
Share-based compensation expense in discontinued operations		42	13	121
Cost Of Sales [Member]
Share-based compensation expense included in Operating earnings	6	5	14	14
Selling, General And Administrative Expenses [Member]
Share-based compensation expense included in Operating earnings	29	22	83	62
Research And Development Expenditures [Member]
Share-based compensation expense included in Operating earnings	$ 10	$ 12	$ 26	$ 32

Discontinued Operations, Share-Based Compensation Expense

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- Definition

This element represents the increase (decrease) in basic earnings per share attributable to share-based compensation expense.

+ Details

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- Definition

This element represents the increase (decrease) in diluted earnings per share attributable to share-based compensation expense.

+ Details

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Data Type:	num:perShareItemType
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- Definition

The amount of noncash, equity-based employee remuneration net of taxes. This may include the value of stock options, amortization of restricted stock, and adjustment for officers compensation.

+ Details

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- Definition

The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph g(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(1)(i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 28

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585

+ Details

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