CAPITAL STRUCTURE AND FINANCIAL ITEMS - FINANCIAL RISKS - Derecognised Receivables (Details) - Later than one year - Receivables - DKK DKK in Millions	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Japan
Disclosure of continuing involvement in derecognised financial assets [line items]
Derecognised receivables without recourse	DKK 2,024	DKK 2,259	DKK 1,899
USA
Disclosure of continuing involvement in derecognised financial assets [line items]
Derecognised receivables without recourse	DKK 3,328	DKK 2,754	DKK 945

The amount of assets recognised in the statement of financial position representing the entity's continuing involvement in derecognised financial assets. [Refer: Carrying amount [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2017-01-01
-Paragraph 42E
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_42E_a&doctype=Standard
-URIDate 2017-03-09

Name:	ifrs-full_RecognisedAssetsRepresentingContinuingInvolvementInDerecognisedFinancialAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant