XML 97 R62.htm IDEA: XBRL DOCUMENT
v3.22.4

Inventory (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Disclosure of inventories [Abstract] |
Disclosure Of The Components Of Inventories | The components of inventory are as follows:
As at Dec. 31 | 2022 | 2021
Parts, materials and supplies | 83 |  | 82 |
Coal | 43 |  | 27 |
Emission credits | 27 |  | 55 |
Natural gas | 4 |  | 3 |
Total | 157 |  | 167 |

X
- Definition Disclosure Of The Components Of Inventories [Table Text Block] + References No definition available. + Details
Name: | tac_DisclosureOfTheComponentsOfInventoriesTableTextBlock
Namespace Prefix: | tac_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of inventories [Abstract] + References No definition available. + Details
Name: | tac_DisclosureofinventoriesAbstract
Namespace Prefix: | tac_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration