Commitments and Contingencies (Details) (Guarantees of debt and derivatives, USD $) In Millions, unless otherwise specified	Jan. 31, 2013
John Deere Financial Inc. \| Commercial paper
Guarantee Obligations
Guarantee obligations maximum exposure	$ 73
John Deere Financial Inc. \| Medium-term notes
Guarantee Obligations
Guarantee obligations maximum exposure	1,521
John Deere Financial Inc. \| Derivative Instruments
Guarantee Obligations
Guarantee obligations maximum exposure	5
Notional amount	1,716
John Deere Canada Funding Inc. (JDCFI) \| VIE-Not Primary Beneficiary \| Medium-term notes
Guarantee Obligations
Guarantee obligations maximum exposure	$ 599

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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

-Publisher FASB

-Name FASB Interpretation (FIN)

-Number 45

-Paragraph 13

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 460

-SubTopic 10

-Section 50

-Paragraph 4

-Subparagraph (b)(1)

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

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant