XML 87 R67.htm IDEA: XBRL DOCUMENT v3.10.0.1

Trade and other receivables - Contract assets (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($)
Subclassifications of assets, liabilities and equities [abstract]
At January 1, 2018	$ 1,004
Additions to contract assets	9,030
Invoiced during the year	(940)
At December 31, 2018	$ 9,094

X

- Definition

Decrease Through Invoicing, Contract Assets

+ References

No definition available.

+ Details

Name:	bldp_DecreaseThroughInvoicingContractAssets
Namespace Prefix:	bldp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The amount of current contract assets. [Refer: Contract assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2018-01-01
-Name IFRS
-Number 15
-IssueDate 2017-01-01
-Paragraph 105
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=15&date=2017-03-01&anchor=para_105&doctype=Standard
-URIDate 2017-03-09

+ Details

Name:	ifrs-full_CurrentContractAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The increase (decrease) in contract assets resulting from cumulative catch-up adjustments to revenue. [Refer: Contract assets; Revenue]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Note Effective 2018-01-01
-Name IFRS
-Number 15
-IssueDate 2017-01-01
-Paragraph 118
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=15&date=2017-03-01&anchor=para_118_b&doctype=Standard
-URIDate 2017-03-09

+ Details

Name:	ifrs-full_IncreaseDecreaseThroughCumulativeCatchupAdjustmentsToRevenueContractAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration