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 of write-down of equipment on operating leases recognized in the income statement in administrative and operating expenses.

No definition available.

Name:	jdcc_EquipmentOnOperatingLeasesImpairmentCharges
Namespace Prefix:	jdcc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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

Carrying amount as of the balance sheet date of equipment returned upon termination of leases and held for subsequent sale or lease recorded at the lower of net book value or estimated fair value of the equipment less cost to sell and is not depreciated.

No definition available.

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

Amount of write-down of matured operating lease inventory recognized in the income statement in administrative and operating expenses.

No definition available.

Name:	jdcc_MaturedOperatingLeaseInventoryImpairmentCharges
Namespace Prefix:	jdcc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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