Humanitarian Aid Fund, Committed Contribution

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- Definition

Humanitarian Aid Fund, Number Of Death Related Claim Forms

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- Definition

Humanitarian Aid Fund, Number Of Physical Injury Related Claim Forms

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- Definition

Humanitarian Aid Fund, Number Of Physical Injury Related Registration Forms

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- Definition

Humanitarian Aid Fund, Number Of Registration Forms

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- Definition

Insurance Reimbursement Receivable

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- Definition

Loss Contingency, Directors And Officers Liability Insurance

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- Definition

Loss Contingency, Directors And Officers Liability Insurance, Retention Amount

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- Definition

Loss Contingency, Excess Liability Insurance

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- Definition

Loss Contingency, Excess Liability Insurance, Retention Amount

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- Definition

Loss Contingency, Property Insurance Policy Limit

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

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- Definition

Unusual Or Infrequent Item, Humanitarian Aid, Expected Beneficiary Amount

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- Definition

Unusual Or Infrequent Item, Humanitarian Aid, Expected Funding Amount

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No definition available.

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- Definition

Amount awarded to other party in judgment or settlement of litigation.

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- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
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- Definition

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

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Number of plaintiffs that have filed claims pertaining to a loss contingency.

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- Definition

Number of pending claims pertaining to a loss contingency.

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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.

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The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period.

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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.

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Maui windstorm and wildfires - Narrative (Details) $ in Thousands				3 Months Ended
	May 09, 2024 claim plaintiff	May 04, 2024 USD ($)	Aug. 08, 2023 USD ($)	Mar. 31, 2024 USD ($)	May 08, 2024 claim registrationForm	May 03, 2024 claim	Mar. 22, 2024 claim	Dec. 31, 2023 USD ($)	Nov. 08, 2023 USD ($)
Public Utilities, General Disclosures [Line Items]
Regulatory assets				$ 315,067				$ 294,804
Property insurance policy limit			$ 500,000
Retention for property damages			$ 1,000
Insurance Claims, Legal-Related Recoveries
Public Utilities, General Disclosures [Line Items]
Insurance reimbursement receivable				28,700
Subsequent Event \| Indemnification Agreement
Public Utilities, General Disclosures [Line Items]
Amount agreed to contribute		$ 18,400
Tort-Related Legal Claims \| Subsequent Event \| Maui Windstorm and Wildfires
Public Utilities, General Disclosures [Line Items]
Lawsuit claim filed \| claim	400
Maui Wildfire Negligence \| Maui Windstorm and Wildfires
Public Utilities, General Disclosures [Line Items]
Excess liability insurance				165,000
Excess liability insurance, retention amount				300
Directors and officers liability insurance				145,000
Directors and officers liability insurance, retention				1,000
Maui Wildfire Negligence \| Maui Windstorm and Wildfires \| Upcountry Maui
Public Utilities, General Disclosures [Line Items]
Number of pending claims \| claim							6
Maui Wildfire Negligence \| Subsequent Event \| Maui Windstorm and Wildfires
Public Utilities, General Disclosures [Line Items]
Number of pending claims \| claim	1
Maui Wildfire Negligence \| Subsequent Event \| Maui Windstorm and Wildfires \| Lahaina
Public Utilities, General Disclosures [Line Items]
Number of pending claims \| claim						4
County Of Maui \| Maui Wildfire Negligence \| Subsequent Event \| Maui Windstorm and Wildfires
Public Utilities, General Disclosures [Line Items]
Lawsuit claim filed \| claim	1
Subrogation Insurers \| Maui Wildfire Negligence \| Subsequent Event \| Maui Windstorm and Wildfires
Public Utilities, General Disclosures [Line Items]
Lawsuit claim filed \| claim	3
Number of cases filed by subrogation insurers \| plaintiff	160
HEI, The Utilities, And Other Defendants \| Climate Change \| Subsequent Event \| Maui Windstorm and Wildfires
Public Utilities, General Disclosures [Line Items]
Lawsuit claim filed \| claim	1
Hawaiian Electric Company, Inc. and Subsidiaries \| Insurance Claims, Legal-Related Recoveries
Public Utilities, General Disclosures [Line Items]
Insurance reimbursement receivable				22,100
Hawaiian Electric Company, Inc. and Subsidiaries \| Indemnification Agreement
Public Utilities, General Disclosures [Line Items]
Other accrued expense				6,700
Natural Disasters and Other Casualty Events
Public Utilities, General Disclosures [Line Items]
Expected funding amount									$ 175,000
Expected beneficiary amount									$ 1,500
Natural Disasters and Other Casualty Events \| Subsequent Event
Public Utilities, General Disclosures [Line Items]
Number of claim forms \| claim					12
Number of registration forms \| registrationForm					43
Number of physical injury related claim forms \| claim					2
Number of physical injury related registration forms \| registrationForm					15
Natural Disasters and Other Casualty Events \| Hawaiian Electric Company, Inc. and Subsidiaries
Public Utilities, General Disclosures [Line Items]
Regulatory assets				22,600
Committed contribution to humanitarian fund				75,000
Natural Disasters and Other Casualty Events \| Hawaiian Electric Company, Inc. and Subsidiaries \| Maui Windstorm and Wildfires
Public Utilities, General Disclosures [Line Items]
Incremental expenses				$ 5,600