Derivative Instruments and Fair Value Measurements (Details) (USD $) In Millions	Oct. 01, 2011	Jan. 01, 2011
Fair value of derivative instruments
Derivative Asset, Fair Value	$ 39	$ 73
Derivative Liability, Fair Value	(15)	(8)
Finance Group [Member] \| Interest rate exchange contracts [Member] \| Fair Value Hedging [Member] \| Other Assets [Member]
Fair value of derivative instruments
Derivative Asset, Fair Value	27	34
Finance Group [Member] \| Interest rate exchange contracts [Member] \| Fair Value Hedging [Member] \| Other Liabilities [Member]
Fair value of derivative instruments
Derivative Liability, Fair Value	(9)	(6)
Manufacturing Group [Member] \| Cash Flow Hedging [Member] \| Other Current Assets [Member]
Fair value of derivative instruments
Foreign currency exchange contracts	12	39
Manufacturing Group [Member] \| Cash Flow Hedging [Member] \| Accrued Liabilities Current [Member]
Fair value of derivative instruments
Foreign currency exchange contracts	$ (6)	$ (2)

Fair value of liability associated with derivative asset, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (a),(c)

-URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5624163-113959

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 44C

-Subparagraph a

-Clause 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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 205G

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

Name:	us-gaap_DerivativeAssetFairValueGrossLiability
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant