XML 141 R121.htm IDEA: XBRL DOCUMENT v3.23.1

Income taxes - Non Capital Losses Carry Forwards (Detail) $ in Thousands	Dec. 31, 2022 USD ($)
Capital Loss Carryforwards [Line Items]
Total non-capital loss carryforward	$ 2,448,891
Tax credits	156,104
Canada
Capital Loss Carryforwards [Line Items]
Total non-capital loss carryforward	731,790
U.S.
Capital Loss Carryforwards [Line Items]
Total non-capital loss carryforward	1,717,101
2023—2027
Capital Loss Carryforwards [Line Items]
Total non-capital loss carryforward	13,223
Tax credits	4,428
2023—2027 | Canada
Capital Loss Carryforwards [Line Items]
Total non-capital loss carryforward	3,261
2023—2027 | U.S.
Capital Loss Carryforwards [Line Items]
Total non-capital loss carryforward	9,962
2028+
Capital Loss Carryforwards [Line Items]
Total non-capital loss carryforward	2,435,668
Tax credits	151,676
2028+ | Canada
Capital Loss Carryforwards [Line Items]
Total non-capital loss carryforward	728,529
2028+ | U.S.
Capital Loss Carryforwards [Line Items]
Total non-capital loss carryforward	$ 1,707,139

X

- Definition

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

+ References

No definition available.

+ Details

Name:	aqunf_CapitalLossCarryforwardsLineItems
Namespace Prefix:	aqunf_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319

+ Details

Name:	us-gaap_OperatingLossCarryforwards
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319

+ Details

Name:	us-gaap_TaxCreditCarryforwardAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	srt_StatementGeographicalAxis=country_CA
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_US
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TaxCreditCarryforwardAxis=aqunf_TaxYears20232027Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TaxCreditCarryforwardAxis=aqunf_TaxYears2028AndAfterMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: