| Incremental fair value granted, modified share-based payment arrangements | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| A positive XBRL value should normally be entered for this element. A negative XBRL value may need to be entered if this element is used with the members referenced. [Refer: Accumulated depreciation and amortisation [member]; Accumulated depreciation, amortisation and impairment [member]; Accumulated impairment [member]; Aggregate adjustment to carrying amounts reported under previous GAAP [member]; Effect of asset ceiling [member]; Effect of transition to IFRSs [member]; Elimination of intersegment amounts [member]; Financial forecast of cash inflows (outflows) for cash-generating unit, measurement input [member]; Financial forecast of profit (loss) for cash-generating unit, measurement input [member]; Increase (decrease) due to application of IFRS 15 [member]; Increase (decrease) due to changes in accounting policy [member]; Increase (decrease) due to changes in accounting policy and corrections of prior period errors [member]; Increase (decrease) due to changes in accounting policy required by IFRSs [member]; Increase (decrease) due to corrections of prior period errors [member]; Increase (decrease) due to departure from requirement of IFRS [member]; Increase (decrease) due to voluntary changes in accounting policy [member]; Material reconciling items [member]; Plan assets [member]; Present value of defined benefit obligation [member]; Redesignated amount [member]; Reinsurer's share of amount arising from insurance contracts [member]; Risk diversification effect [member]; Treasury shares [member]] | en | http://www.xbrl.org/2003/role/commentaryGuidance | http://www.xbrl.org/2003/role/link |
| The difference, for modified share-based payment arrangements, between the fair value of the modified equity instrument and that of the original equity instrument, both estimated as at the date of the modification. [Refer: Share-based payment arrangements [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Διαφορική εύλογη αξία που παραχωρήθηκε, τροποποιηθείσες συμφωνίες παροχών που εξαρτώνται από την αξία των μετοχών | el | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Η διαφορά, για τροποποιηθείσες συμφωνίες παροχών που εξαρτώνται από την αξία των μετοχών, μεταξύ της εύλογης αξίας του τροποποιημένου συμμετοχικού τίτλου και εκείνης του αρχικού συμμετοχικού τίτλου, με εκτίμηση αμφότερων κατά την ημερομηνία της τροποποίησης. [Παραπομπή: Συμφωνίες παροχών που εξαρτώνται από την αξία των μετοχών [member]] | el | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |