XML 74 R54.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Personnel expenses (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Analysis of income and expense [abstract] |
Disclosure of detailed information on personnel expenses |
|  | December 31, 2021 |  | December 31, 2020
Salaries and employee benefits |  | $ | 84,555 |  |  | $ | 63,392 |
Share-based compensation (note 21) |  | 9,669 |  |  | 6,228 |
|  | $ | 94,224 |  |  | $ | 69,620 |

X
- Definition Disclosure Of Detailed Information on Personnel Expenses [Table Text Block] + References No definition available. + Details
Name: | bldp_DisclosureOfDetailedInformationonPersonnelExpensesTableTextBlock
Namespace Prefix: | bldp_
Data Type: | nonnum: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