XML 218 R9999.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Label | Element | Value
--- | --- | ---
Cumulative Effect of New Accounting Principle in Period of Adoption | tac_CumulativeEffectofNewAccountingPrincipleinPeriodofAdoption | $ (13,000,000)
Equity, Adjusted Balance | tac_EquityAdjustedBalance | 4,372,000,000
Accumulated other comprehensive income [member] |  |
Equity, Adjusted Balance | tac_EquityAdjustedBalance | 489,000,000
Issued capital [member] |  |
Equity, Adjusted Balance | tac_EquityAdjustedBalance | 3,094,000,000
Additional paid-in capital [member] |  |
Equity, Adjusted Balance | tac_EquityAdjustedBalance | 10,000,000
Retained earnings [member] |  |
Cumulative Effect of New Accounting Principle in Period of Adoption | tac_CumulativeEffectofNewAccountingPrincipleinPeriodofAdoption | (14,000,000)
Equity, Adjusted Balance | tac_EquityAdjustedBalance | (1,223,000,000)
Preference shares [member] |  |
Equity, Adjusted Balance | tac_EquityAdjustedBalance | 942,000,000
Equity attributable to owners of parent [member] |  |
Cumulative Effect of New Accounting Principle in Period of Adoption | tac_CumulativeEffectofNewAccountingPrincipleinPeriodofAdoption | (14,000,000)
Equity, Adjusted Balance | tac_EquityAdjustedBalance | 3,312,000,000
Non-controlling interests [member] |  |
Cumulative Effect of New Accounting Principle in Period of Adoption | tac_CumulativeEffectofNewAccountingPrincipleinPeriodofAdoption | 1,000,000
Equity, Adjusted Balance | tac_EquityAdjustedBalance | $ 1,060,000,000

X
- Definition Cumulative Effect of New Accounting Principle in Period of Adoption + References No definition available. + Details
Name: | tac_CumulativeEffectofNewAccountingPrincipleinPeriodofAdoption
Namespace Prefix: | tac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Equity, Adjusted Balance + References No definition available. + Details
Name: | tac_EquityAdjustedBalance
Namespace Prefix: | tac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | ifrs-full_ComponentsOfEquityAxis=ifrs-full_AccumulatedOtherComprehensiveIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_ComponentsOfEquityAxis=ifrs-full_IssuedCapitalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_ComponentsOfEquityAxis=ifrs-full_AdditionalPaidinCapitalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_ComponentsOfEquityAxis=ifrs-full_RetainedEarningsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_ComponentsOfEquityAxis=ifrs-full_PreferenceSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_ComponentsOfEquityAxis=ifrs-full_EquityAttributableToOwnersOfParentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_ComponentsOfEquityAxis=ifrs-full_NoncontrollingInterestsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |