Humanitarian Aid Fund, Committed Contribution

No definition available.

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- Definition

Insurance Reimbursement Receivable

+ References

No definition available.

+ Details

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- Definition

Loss Contingency, Excess Liability Insurance

+ References

No definition available.

+ Details

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- Definition

Loss Contingency, Excess Liability Insurance, Retention Amount

+ References

No definition available.

+ Details

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- Definition

Loss Contingency, Property Insurance Policy Limit

+ References

No definition available.

+ Details

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- Definition

Loss Contingency, Property Insurance Policy Limit, Retention For Generation Assets

+ References

No definition available.

+ Details

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- Definition

Public Utilities, Electricity Service Restored, Percentage

+ References

No definition available.

+ Details

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- Definition

Unusual Or Infrequent Item, Humanitarian Aid, Expected Beneficiary Amount

+ References

No definition available.

+ Details

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- Definition

Unusual Or Infrequent Item, Humanitarian Aid, Expected Funding Amount

+ References

No definition available.

+ Details

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- Definition

The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2

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- Definition

The total number of new claims filed pertaining to a loss contingency during the period.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483076/450-20-50-4

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483076/450-20-50-9

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- 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

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- Definition

Amount, before deduction of insurance proceeds, of loss recognized in the income statement for an event or transaction that is unusual in nature or infrequent in occurrence, or both.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483613/220-20-50-1

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Maui windstorm and wildfires - Narrative (Details) $ in Millions		3 Months Ended	9 Months Ended
	Aug. 08, 2023 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2023 USD ($) claim	Nov. 08, 2023 USD ($)
Public Utilities, General Disclosures [Line Items]
Property insurance policy limit	$ 500.0
Retention for property damages	$ 1.0
Lawsuit claim filed \| claim			1
Natural Disasters and Other Casualty Events \| Subsequent Event
Public Utilities, General Disclosures [Line Items]
Expected funding amount				$ 150.0
Expected beneficiary amount				$ 1.0
Hawaiian Electric Company, Inc. and Subsidiaries
Public Utilities, General Disclosures [Line Items]
Percentage of electric service restored			95.00%
Hawaiian Electric Company, Inc. and Subsidiaries \| Natural Disasters and Other Casualty Events
Public Utilities, General Disclosures [Line Items]
Committed contribution to humanitarian fund		$ 75.0	$ 75.0
Insurance reimbursement receivable		75.0	75.0
Maui Windstorm and Wildfires \| Natural Disasters and Other Casualty Events
Public Utilities, General Disclosures [Line Items]
Incremental expenses			27.6
Maui Windstorm and Wildfires \| Hawaiian Electric Company, Inc. and Subsidiaries \| Natural Disasters and Other Casualty Events
Public Utilities, General Disclosures [Line Items]
Incremental expenses			$ 8.0
Maui Windstorm and Wildfires \| Maui Wildfire Negligence
Public Utilities, General Disclosures [Line Items]
Legal expenses		10.8
Excess liability insurance		165.0
Excess liability insurance, retention amount		1.5
Maui Windstorm and Wildfires \| Maui Wildfire Negligence \| Hawaiian Electric Company, Inc. and Subsidiaries
Public Utilities, General Disclosures [Line Items]
Legal expenses		$ 6.3