Purchase Option, Consideration Transferred Upon Exercise

No definition available.

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- Definition

Right-Of-Use Assets, Disposals

+ References

No definition available.

+ Details

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- Definition

The increase in property, plant and equipment resulting from acquisitions through business combinations. [Refer: Business combinations [member]; Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2018-01-01
-Paragraph 73
-Subparagraph e
-Clause iii
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e_iii&doctype=Standard
-URIDate 2018-03-16

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- Definition

The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Business combinations [member]; Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
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-Clause i
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e_i&doctype=Standard
-URIDate 2018-03-16

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- Definition

The amount of additions to right-of-use assets. [Refer: Right-of-use assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2019-01-01
-Name IFRS
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-IssueDate 2018-01-01
-Paragraph 53
-Subparagraph h
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-URIDate 2018-03-16

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- Definition

The amount of expenditure capitalised during the construction of non-current assets that are not yet available for use. [Refer: Non-current assets]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 16
-IssueDate 2018-01-01
-Paragraph 37
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_37&doctype=Standard
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+ Details

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- Definition

The decrease in property, plant and equipment through classification as held for sale or inclusion in a disposal group classified as held for sale. [Refer: Disposal groups classified as held for sale [member]; Property, plant and equipment; Disposal groups classified as held for sale [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2018-01-01
-Paragraph 73
-Subparagraph e
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-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e_ii&doctype=Standard
-URIDate 2018-03-16

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- Definition

The amount of depreciation of property, plant and equipment. [Refer: Depreciation and amortisation expense; Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2018-01-01
-Paragraph 73
-Subparagraph e
-Clause vii
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e_vii&doctype=Standard
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-Name IAS
-Number 16
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-Paragraph 75
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-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_75_a&doctype=Standard
-URIDate 2018-03-16

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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- Definition

The decrease in property, plant and equipment resulting from disposals. [Refer: Property, plant and equipment]

+ References

+ Details

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- Definition

The increase (decrease) in property, plant and equipment resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2018-01-01
-Paragraph 73
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- Definition

The increase (decrease) in property, plant and equipment resulting from transfers and changes that the entity does not separately disclose in the same statement or note. [Refer: Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 16
-IssueDate 2018-01-01
-Paragraph 73
-Subparagraph e
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e&doctype=Standard
-URIDate 2018-03-16

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- References

No definition available.

+ Details

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- Definition

The amount of intangible assets that the entity does not separately disclose in the same statement or note. [Refer: Intangible assets other than goodwill]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 38
-IssueDate 2018-01-01
-Paragraph 119
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=38&date=2018-03-01&anchor=para_119&doctype=Standard
-URIDate 2018-03-16

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Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

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- Definition

The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2018-01-01
-Paragraph 73
-Subparagraph e
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e&doctype=Standard
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-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 54
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_54_a&doctype=Standard
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+ Details

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- Definition

The increase (decrease) in property, plant and equipment resulting from revaluations to fair value. [Refer: Property, plant and equipment; Revaluation surplus]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2018-01-01
-Paragraph 73
-Subparagraph e
-Clause iv
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e_iv&doctype=Standard
-URIDate 2018-03-16

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-Name IAS
-Number 16
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-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_77_f&doctype=Standard
-URIDate 2018-03-16

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PROPERTY, PLANT AND EQUIPMENT - Continuity (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Nov. 30, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Disclosure of detailed information about property, plant and equipment [line items]
Beginning balance		$ 29,025	$ 27,096
IFRS 16 adoption		145
Additions		218	301
Disposal		(440)
Acquisitions through business combinations		550	211
Transfer to assets held for sale			(749)
Items recognized through OCI
Change in fair value		1,971	4,558
Foreign exchange		61	(1,512)	$ 506
Items recognized through net income:
Change in fair value		(18)	(61)
Depreciation		(798)	(819)
Ending balance		30,714	29,025	27,096
Other intangible assets		10	11
Construction in progress		334	388
Purchase option, consideration transferred upon exercise	$ 560
Hydroelectric
Disclosure of detailed information about property, plant and equipment [line items]
Beginning balance		24,679	22,399
IFRS 16 adoption		79
Additions		172	212
Disposal		0
Acquisitions through business combinations		0	0
Transfer to assets held for sale			0
Items recognized through OCI
Change in fair value		1,521	3,775
Foreign exchange		108	(1,138)
Items recognized through net income:
Change in fair value		(15)	(33)
Depreciation		(520)	(536)
Ending balance		26,024	24,679	22,399
Right-of-use assets, disposals		71
Wind
Disclosure of detailed information about property, plant and equipment [line items]
Beginning balance		3,860	3,803
IFRS 16 adoption		62
Additions		42	36
Disposal		(440)
Acquisitions through business combinations		550	125
Transfer to assets held for sale			(58)
Items recognized through OCI
Change in fair value		460	466
Foreign exchange		(29)	(256)
Items recognized through net income:
Change in fair value		(1)	(20)
Depreciation		(246)	(236)
Ending balance		4,258	3,860	3,803
Right-of-use assets, disposals		51
Solar
Disclosure of detailed information about property, plant and equipment [line items]
Beginning balance		228	575
IFRS 16 adoption		0
Additions		0	47
Disposal		0
Acquisitions through business combinations		0	86
Transfer to assets held for sale			(691)
Items recognized through OCI
Change in fair value		(7)	313
Foreign exchange		(10)	(77)
Items recognized through net income:
Change in fair value		(1)	0
Depreciation		(13)	(25)
Ending balance		197	228	575
Other
Disclosure of detailed information about property, plant and equipment [line items]
Beginning balance		258	319
IFRS 16 adoption		4
Additions		4	6
Disposal		0
Acquisitions through business combinations		0	0
Transfer to assets held for sale			0
Items recognized through OCI
Change in fair value		(3)	4
Foreign exchange		(8)	(41)
Items recognized through net income:
Change in fair value		(1)	(8)
Depreciation		(19)	(22)
Ending balance		235	$ 258	$ 319
Right-of-use assets, disposals		$ 3