XML 77 R57.htm IDEA: XBRL DOCUMENT
v3.22.4

Finance income and expense (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Analysis of income and expense [abstract] |
Schedule of Detailed Information of Finance Income and Expense |
| 2022 |  | 2021
Employee future benefit plan expense (note 20) | $ | (189) |  |  | $ | (251) |
Investment income | 19,609 |  |  | 3,743 |
Mark to market and foreign exchange loss on financial assets (notes 14 & 33) | (16,877) |  |  | (9,024) |
Foreign exchange loss | (4,545) |  |  | (1,336) |
Government levies | (100) |  |  | (1,945) |
Finance loss and other | $ | (2,102) |  |  | $ | (8,813) |
Finance expense | $ | (1,279) |  |  | $ | (1,294) |

X
- Definition Disclosure Of Detailed Information on Finance Income And Expense [Table Text Block] + References No definition available. + Details
Name: | bldp_DisclosureOfDetailedInformationonFinanceIncomeAndExpenseTableTextBlock
Namespace Prefix: | bldp_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_AnalysisOfIncomeAndExpenseAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration