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Operations - Additional Information (Detail)	Dec. 17, 2018
Nature of operations [line items]
Percentage of ownership interest held by subsidiaries in joint operations	20.00%
New markets [member]
Nature of operations [line items]
Percentage of ownership interest held by subsidiaries in joint operations	51.00%
Boeing company [member]
Nature of operations [line items]
Percentage of ownership interest held by subsidiaries in joint operations	80.00%
Boeing company [member] | New markets [member]
Nature of operations [line items]
Percentage of ownership interest held by subsidiaries in joint operations	49.00%

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- Definition

Nature of operations [line items].

+ References

No definition available.

+ Details

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- Definition

The proportion of ownership interest in a joint operation attributable to the entity. [Refer: Joint operations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2018-01-01
-Paragraph 21
-Subparagraph a
-Clause iv
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2018-03-01&anchor=para_21_a_iv&doctype=Standard
-URIDate 2018-03-16

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- Details

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X

- Details

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