Voluntary Employee Separation Progaram (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended	15 Months Ended
Oct. 30, 2016	Oct. 29, 2017	Oct. 29, 2017
Voluntary Employee Separation Program
Voluntary Employee Separation Program
Total voluntary employee-separation programs' expenses, pretax	$ 0.2	$ 8.2	$ 8.4

The pretax amount recognized in earnings for the voluntary employee-separation programs' expenses.

No definition available.

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