XML 135 R98.htm IDEA: XBRL DOCUMENT v3.19.1

Earnings per share - Additional Information (Detail) - shares	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Earnings per share [line items]
Shares excluded from the computation of diluted earnings per share	16,900,000	8,200,000	8,400,000
Ordinary shares [member]
Earnings per share [line items]
Ordinary shares in issue	1,332,678,227	1,332,511,552	1,331,880,730

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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X

- Definition

The number of shares issued by the entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 106
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_106_d&doctype=Standard
-URIDate 2018-03-16

+ Details

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- Definition

Shares excluded from computation of diluted earnings per share.

+ References

No definition available.

+ Details

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