Consolidated Statements of Changes in Shareowners' Equity (Parenthetical) (USD $) In Millions, except Per Share data	12 Months Ended
Jan. 01, 2011	Jan. 02, 2010	Jan. 03, 2009
Dividends declared per share	$ 1.34	$ 1.30	$ 1.26
Common stock shares repurchased	79,357	62,336	2,240,451
Treasury Stock
Common stock shares repurchased	79,357	62,336	2,240,451
Retained Earnings
Dividends declared per share	$ 1.34	$ 1.30	$ 1.26

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 12

-Paragraph 10

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

-Number 43

-Chapter 1

-Section B

-Paragraph 11A

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Namespace Prefix:	us-gaap
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration