XML 82 R63.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Asset Retirement Obligations - Additional Information (Details) - Asset retirement obligation - CAD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure of other provisions [line items] |  |  |
Estimated cash flows, undiscounted amount | $ 721,700 | $ 721,000 |
Estimated inflation rate | 1.80% | 1.50% |
Estimated risk free rate | 1.70% | 1.20% |
Other provisions | $ 743,683 | $ 760,383 | $ 667,974
Other provisions, period of costs being incurred | 60 years |  |

X
- Definition Expected Timing Of Outflows, Other Provisions + References No definition available. + Details
Name: | bte_ExpectedTimingOfOutflowsOtherProvisions
Namespace Prefix: | bte_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Major Assumptions Made Concerning Future Events, Other Provisions, Inflation Rate + References No definition available. + Details
Name: | bte_MajorAssumptionsMadeConcerningFutureEventsOtherProvisionsInflationRate
Namespace Prefix: | bte_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Major Assumptions Made Concerning Future Events, Other Provisions, Risk Free Rate + References No definition available. + Details
Name: | bte_MajorAssumptionsMadeConcerningFutureEventsOtherProvisionsRiskFreeRate
Namespace Prefix: | bte_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Other Provisions, Undiscounted + References No definition available. + Details
Name: | bte_OtherProvisionsUndiscounted
Namespace Prefix: | bte_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfOtherProvisionsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of provisions other than provisions for employee benefits. [Refer: Provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2021-01-01 -Paragraph 84 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&anchor=para_84_a&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 78 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_78_d&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_OtherProvisions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_ClassesOfProvisionsAxis=ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |