Financial Guarantees (Detail) (USD $) In Millions	9 Months Ended
Oct. 01, 2011
Guarantor Obligations [Line Items]
Guarantee Obligations Maximum Potential Payment	$ 145.2
Guarantee Liability Carrying Amount	12.7
Guarantees on the residual values of leased properties
Guarantor Obligations [Line Items]
Guarantee Obligations Term	One to four years
Guarantee Obligations Maximum Potential Payment	31.5
Guarantees on the residual values of aircraft
Guarantor Obligations [Line Items]
Guarantee Obligations Term	Less than eight years
Guarantee Obligations Maximum Potential Payment	24.2
Standby letters of credit
Guarantor Obligations [Line Items]
Guarantee Obligations Term	Up to three years
Guarantee Obligations Maximum Potential Payment	71.9
Commercial customer financing arrangements
Guarantor Obligations [Line Items]
Guarantee Obligations Term	Up to six years
Guarantee Obligations Maximum Potential Payment	17.6
Guarantee Liability Carrying Amount	$ 12.7

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

-Paragraph 9

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

-Number 45

-Paragraph 13

-Subparagraph c

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 4

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

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