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

Insurance Reimbursement Receivable

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- Definition

Litigation Settlement, Amount Awarded To Other Party, Number Of Installments

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Litigation Settlement, Conditional Claim Resolution, Period

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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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No definition available.

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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, Miscellaneous Professional Liability Insurance

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- Definition

Loss Contingency, Miscellaneous Professional Liability Insurance, Retention Amount

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- Definition

Loss Contingency, Property Insurance Policy Limit

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- Definition

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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No definition available.

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- Definition

Unusual Or Infrequent Item, Humanitarian Aid, Expected Funding Amount

+ References

No definition available.

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- Definition

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

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No definition available.

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- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 720
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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
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- Definition

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

+ References

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- Definition

Number of pending claims pertaining to a loss contingency.

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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.

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- Definition

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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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.

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Maui windstorm and wildfires - Narrative (Details) $ in Thousands					1 Months Ended	2 Months Ended	3 Months Ended	6 Months Ended
	Aug. 08, 2024 claim plaintiff	Aug. 02, 2024 USD ($) installment	May 04, 2024 USD ($)	Aug. 08, 2023 USD ($)	Feb. 08, 2024 claim	Jun. 08, 2024 claim	Jun. 30, 2024 USD ($)	Jun. 30, 2024 USD ($)	Jul. 15, 2024 claim	Dec. 31, 2023 USD ($)	Nov. 08, 2023 USD ($)
Public Utilities, General Disclosures [Line Items]
Regulatory assets							$ 322,409	$ 322,409		$ 294,804
Property insurance policy limit				$ 500,000
Retention for property damages				$ 1,000
Excess liability insurance								41,000
Miscellaneous professional liability								25,000
Directors and officers liability insurance								133,000
Other accrued expense							1,712,000	1,712,000		$ 75,000
Insurance Claims, Legal-Related Recoveries
Public Utilities, General Disclosures [Line Items]
Insurance reimbursement receivable							34,800	34,800
Indemnification Agreement
Public Utilities, General Disclosures [Line Items]
Amount agreed to contribute			$ 18,400
Tort-Related Legal Claims \| Maui Windstorm and Wildfires \| Subsequent Event
Public Utilities, General Disclosures [Line Items]
Lawsuit claim filed \| claim	700
Maui Wildfire Negligence \| Maui Windstorm and Wildfires
Public Utilities, General Disclosures [Line Items]
Excess liability insurance								165,000
Miscellaneous professional liability								25,000
Excess liability insurance, retention amount								300
Miscellaneous liability insurance, retention amount								1,000
Directors and officers liability insurance								145,000
Directors and officers liability insurance, retention								1,000
Maui Wildfire Negligence \| Maui Windstorm and Wildfires \| Subsequent Event
Public Utilities, General Disclosures [Line Items]
Number of pending claims \| claim	2
Shareholder Derivative Actions, Northern District Of California
Public Utilities, General Disclosures [Line Items]
Lawsuit claim filed \| claim					3
Shareholder Derivative Actions, District Of Hawaii
Public Utilities, General Disclosures [Line Items]
Lawsuit claim filed \| claim						2
Spectrum Oceanic LLC \| Maui Wildfire Negligence \| Maui Windstorm and Wildfires \| Subsequent Event
Public Utilities, General Disclosures [Line Items]
Lawsuit claim filed \| claim	1
Subrogation Insurers \| Maui Wildfire Negligence \| Maui Windstorm and Wildfires \| Subsequent Event
Public Utilities, General Disclosures [Line Items]
Number of cases filed by subrogation insurers \| plaintiff	160
County Of Maui \| Maui Wildfire Negligence \| Maui Windstorm and Wildfires \| Subsequent Event
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							29,600	29,600
Hawaiian Electric Company, Inc. and Subsidiaries \| Indemnification Agreement
Public Utilities, General Disclosures [Line Items]
Other accrued expense							10,600	10,600
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									35
Number of physical injury related claim forms \| claim									12
Natural Disasters and Other Casualty Events \| Tort-Related Legal Claims \| Maui Windstorm and Wildfires \| Subsequent Event
Public Utilities, General Disclosures [Line Items]
Amount agreed to contribute		$ 1,990,000
Installment payments \| installment		4
Natural Disasters and Other Casualty Events \| Hawaiian Electric Company, Inc, State Of Hawaii, County Of Maui, Kemehameha Schools, West Maui Land Col., Hawaiian Telecom And Spectrum/Charter Communications \| Tort-Related Legal Claims \| Maui Windstorm and Wildfires \| Subsequent Event
Public Utilities, General Disclosures [Line Items]
Amount agreed to contribute		$ 4,040,000
Claim resolution period		90 days
Natural Disasters and Other Casualty Events \| Hawaiian Electric Company, Inc. and Subsidiaries
Public Utilities, General Disclosures [Line Items]
Regulatory assets							30,200	30,200
Committed contribution to humanitarian fund							75,000	75,000
Natural Disasters and Other Casualty Events \| Hawaiian Electric Company, Inc. and Subsidiaries \| Subsequent Event
Public Utilities, General Disclosures [Line Items]
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							2,100	7,700
Natural Disasters and Other Casualty Events \| Hawaiian Electric Company, Inc. and Subsidiaries \| Wildfire tort-related claims
Public Utilities, General Disclosures [Line Items]
Estimated loss liabilities							$ 1,710,000	$ 1,710,000