XML 46 R35.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Shareholders' Capital (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Share Capital, Reserves And Other Equity Interest [Abstract] |
Schedule of shareholders' capital | All common shares rank equally with regard to the Company's net assets in the event the Company is wound-up or terminated.
| Number of Common Shares (000s) | Amount
Balance, December 31, 2019 | 558,305 |  | $ | 5,718,835 |
Vesting of share awards | 2,922 |  | 10,583 |
Balance, December 31, 2020 | 561,227 |  | $ | 5,729,418 |
Vesting of share awards | 2,986 |  | 7,175 |
Balance, December 31, 2021 | 564,213 |  | $ | 5,736,593 |

X
- Definition Share Capital, Reserves And Other Equity Interest [Abstract] + References No definition available. + Details
Name: | bte_ShareCapitalReservesAndOtherEquityInterestAbstract
Namespace Prefix: | bte_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of classes of share capital. [Refer: Share capital [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 79 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_79_a&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration