Acquisitions - Alcatel Lucent (Details) - Alcatel Lucent	Nov. 02, 2016	Sep. 06, 2016	Feb. 03, 2016
Business combinations
Percentage of share capital acquired	100.00%	95.32%	90.34%
Percentage of voting equity interests acquired	100.00%	95.25%	90.25%
Percentage of share capital held on diluted basis		95.15%

The percentage of voting equity interests acquired in a business combination. [Refer: Business combinations [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2017-01-01
-Paragraph B64
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=3&date=2017-03-01&anchor=para_B64_c&doctype=Appendix&seq=2
-URIDate 2017-03-09

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Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant