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Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Indefinite-Lived Intangible Assets

									Accumulated						Net Book
($ millions)			Cost						Amortization						Value
2023
Computer software			1,040						(528)						512
Land, transmission and water rights			1,071						(182)						889
Other			132						(81)						51
Assets under construction			58						—						58
			2,301						(791)						1,510

2022
Computer software			985						(497)						488
Land, transmission and water rights			1,064						(171)						893
Other			135						(78)						57
Assets under construction			110						—						110
			2,294						(746)						1,548

Schedule of Intangible Assets

The service life ranges and weighted average remaining service life of finite-life intangible assets as at December 31 were as follows.

						2023									2022
(years)						Service Life Ranges			Weighted Average Remaining Service Life						Service Life Ranges			Weighted Average Remaining Service Life
Computer software						3-18			5						3-15			5
Land, transmission and water rights						30-90			52						34-90			53
Other						10-100			14						10-100			14

									Accumulated						Net Book
($ millions)			Cost						Amortization						Value
2023
Computer software			1,040						(528)						512
Land, transmission and water rights			1,071						(182)						889
Other			132						(81)						51
Assets under construction			58						—						58
			2,301						(791)						1,510

2022
Computer software			985						(497)						488
Land, transmission and water rights			1,064						(171)						893
Other			135						(78)						57
Assets under construction			110						—						110
			2,294						(746)						1,548

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- References

No definition available.

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- Definition

Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482665/350-30-50-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482665/350-30-50-2

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- Definition

Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance and exist in perpetuity, by either major class or business segment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482665/350-30-50-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b),(d)
-SubTopic 30
-Topic 350
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482665/350-30-50-3

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