Name:	jdcc_EquipmentOnOperatingLeasesAbstract
Namespace Prefix:	jdcc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Amount before accumulated depreciation of equipment on operating leases.

No definition available.

Name:	jdcc_EquipmentOnOperatingLeasesGross
Namespace Prefix:	jdcc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount after accumulated depreciation of equipment on operating leases.

No definition available.

Name:	jdcc_EquipmentOnOperatingLeasesNet
Namespace Prefix:	jdcc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount lessor expects from underlying asset following end of operating lease term.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 3
-Subparagraph (b)(3)
-URI http://asc.fasb.org/extlink&oid=121576215&loc=SL77919359-209981

Name:	us-gaap_LessorOperatingLeaseAssumptionsAndJudgmentsValueOfUnderlyingAssetAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of residual asset covered by residual value guarantee under operating lease. Excludes guarantee considered to be lease payments for lessor.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 3
-Subparagraph (b)(3)
-URI http://asc.fasb.org/extlink&oid=121576215&loc=SL77919359-209981