Leases - Short-term Relief to Lessees (Details) - COVID-19	9 Months Ended
Nov. 01, 2020
Lessor
Percentage of operating lease portfolio granted relief	2.00%
Maximum
Lessor
Operating lease payment deferral period	3 months

Threshold period for payment deferrals of operating leases negatively impacted by COVID, in 'PnYnMnDTnHnS' format, for example, 'P1Y5M13D' represents the reported fact for one year, five months, and thirteen days.

No definition available.

Name:	jdcc_OperatingLeasePaymentDeferralPeriod
Namespace Prefix:	jdcc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration