Contingencies (Details) - Ardagh Group S.A. $ in Millions		12 Months Ended
Apr. 21, 2017 USD ($) item	Dec. 31, 2017 USD ($) item
Contingencies
Damages awarded to plaintiff \| $	$ 50
Number of asserted patent infringements awarded \| item	1
Number of alleged patent infringements asserted \| item		2
Federal Cartel Office investigation
Contingencies
Provision for legal proceedings \| $		$ 0

The amount of provision for legal proceedings. [Refer: Other provisions]

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 37
-IssueDate 2017-01-01
-Section Example 10 A court case
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2017-03-01&anchor=sect_Example10Acourtcase&doctype=Illustrative%20Examples
-URIDate 2017-03-09

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 37
-IssueDate 2017-01-01
-Paragraph 87
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2017-03-01&anchor=para_87&doctype=Standard
-URIDate 2017-03-09

Name:	ifrs-full_LegalProceedingsProvision
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant