Humanitarian Aid Fund, Committed Contribution

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- Definition

Insurance Reimbursement Receivable

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No definition available.

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- Definition

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

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No definition available.

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- Definition

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

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No definition available.

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- Definition

Litigation Settlement, Amount Awarded To Other Party, Reserved To Resolve Claims By Nonparticipating Plaintiffs

+ References

No definition available.

+ Details

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- Definition

Litigation Settlement, Claimants That Initially Opted Out And Have Not Signed Release Agreements, Number

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No definition available.

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- Definition

Litigation Settlement, Discount Rate

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No definition available.

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- Definition

Litigation Settlement, Fee Expense Accrued

+ References

No definition available.

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- Definition

Litigation Settlement, Requested Maximum Expenses

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No definition available.

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- Definition

Litigation Settlement, Requested Proceeds As Percentage Of Attorney's Fee

+ References

No definition available.

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- Definition

Loss Contingency, Directors And Officers Liability Insurance

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No definition available.

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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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No definition available.

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- Definition

Loss Contingency, Excess Liability Insurance, Retention Amount

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No definition available.

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- Definition

Loss Contingency, Miscellaneous Professional Liability Insurance

+ References

No definition available.

+ Details

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- Definition

Loss Contingency, Miscellaneous Professional Liability Insurance, Retention Amount

+ References

No definition available.

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- Definition

Loss Contingency, Number Of Lawyers Representing Plaintiffs

+ References

No definition available.

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- Definition

Loss Contingency, Property Insurance Coverage

+ 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 recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses.

+ 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

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

+ References

No definition available.

+ Details

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- Definition

Amount of loss contingency liability expected to be resolved within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-1

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- Definition

Amount of loss contingency liability expected to be resolved after one year or beyond the normal operating cycle, if longer.

+ References

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- Definition

Number of claims settled.

+ 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
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-Section 50
-Paragraph 9
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-9

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- Definition

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

+ References

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- Definition

Number of defendants named in a legal action.

+ References

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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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- Definition

Amount of receivable related to a loss contingency accrual. For example, an insurance recovery receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482425/460-10-50-3

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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.

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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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 980
-SubTopic 340
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
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Maui windstorm and wildfires - Narrative (Details) $ in Thousands					1 Months Ended	2 Months Ended	3 Months Ended		14 Months Ended
	Apr. 10, 2026 USD ($) installment plaintiff	Jan. 05, 2026 USD ($)	Dec. 31, 2025 USD ($)	Nov. 01, 2024 USD ($) fund installment claim lawyer	Feb. 08, 2024 claim	Jun. 08, 2024 claim	Mar. 31, 2026 USD ($) plaintiff claim	Sep. 30, 2025 USD ($)	Nov. 06, 2024 claim	Dec. 30, 2025 claim	Nov. 08, 2023 USD ($)
Public Utilities, General Disclosures [Line Items]
Property insurance coverage							$ 490,000
Settlement accrual, current liability			$ 530,000				526,500
Settlement accrual, non-current liabilities			1,436,250				1,436,250
Excess liability insurance							9,000
Miscellaneous professional liability							0
Directors and officers liability insurance							70,000
Insurance Claims, Legal-Related Recoveries
Public Utilities, General Disclosures [Line Items]
Insurance reimbursement receivable							$ 93,000
Maui Wildfire Negligence \| Wildfire tort-related claims
Public Utilities, General Disclosures [Line Items]
Number of pending claims \| claim							1
Maui Wildfire Negligence \| Maui Windstorm and Wildfires
Public Utilities, General Disclosures [Line Items]
Number of pending claims \| claim							2
Number of defendants \| claim							1
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
Tort-Related Legal Claims \| Maui Windstorm and Wildfires
Public Utilities, General Disclosures [Line Items]
Number of settlement agreements \| claim				2
Number of lawyers representing individual plaintiffs \| lawyer				30
Litigation settlement, fee expense accrued							$ 3,500
Securities Action
Public Utilities, General Disclosures [Line Items]
Amount awarded		$ 47,800						$ 47,800
Securities Action \| Subsequent Event
Public Utilities, General Disclosures [Line Items]
Amount awarded	$ 479,000
Shareholder Derivative Actions
Public Utilities, General Disclosures [Line Items]
Amount awarded			$ 100,000
Percentage of attorney's fees requested of the proceeds			25.00%
Expenses not to exceed amount			$ 475
Shareholder Derivative Actions, District of Hawaii
Public Utilities, General Disclosures [Line Items]
Lawsuit claim filed \| claim						2			2
Shareholder Derivative Actions, Northern District of California
Public Utilities, General Disclosures [Line Items]
Lawsuit claim filed \| claim					3
County Of Maui \| Maui Wildfire Negligence \| Maui Windstorm and Wildfires
Public Utilities, General Disclosures [Line Items]
Lawsuit claim filed \| claim							1
Subrogation Insurers \| Maui Wildfire Negligence \| Maui Windstorm and Wildfires
Public Utilities, General Disclosures [Line Items]
Number of cases filed by subrogation insurers \| plaintiff							200
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	200
Hawaiian Electric Company, Inc. and Subsidiaries
Public Utilities, General Disclosures [Line Items]
Insurance recoveries							$ 10,000
Settlement accrual, current liability			482,250	$ 479,000			478,750
Settlement accrual, non-current liabilities			$ 1,436,250				1,436,250
Settlement payments reserved							$ 500,000
Plaintiffs that initially opted out and have no signed individual release agreements \| plaintiff							80
Hawaiian Electric Company, Inc. and Subsidiaries \| Insurance Claims, Legal-Related Recoveries
Public Utilities, General Disclosures [Line Items]
Insurance reimbursement receivable							$ 45,000
Natural Disasters and Other Casualty Events
Public Utilities, General Disclosures [Line Items]
Expected funding amount											$ 175,000
Natural Disasters and Other Casualty Events \| Tort-Related Legal Claims \| Maui Windstorm and Wildfires
Public Utilities, General Disclosures [Line Items]
Amount awarded				$ 1,990,000
Settlement funds \| fund				2
Installment payments \| installment				4
Discount rate				5.50%
Natural Disasters and Other Casualty Events \| Tort-Related Legal Claims \| Maui Windstorm and Wildfires \| Subsequent Event
Public Utilities, General Disclosures [Line Items]
Installment payments \| installment	4
Natural Disasters and Other Casualty Events \| Subrogation Insurers \| Tort-Related Legal Claims \| Maui Windstorm and Wildfires
Public Utilities, General Disclosures [Line Items]
Number of pending claims \| claim										2
Natural Disasters and Other Casualty Events \| Total Defendants \| Tort-Related Legal Claims \| Maui Windstorm and Wildfires
Public Utilities, General Disclosures [Line Items]
Amount awarded				$ 4,040,000
Natural Disasters and Other Casualty Events \| Hawaiian Electric Company, Inc. and Subsidiaries
Public Utilities, General Disclosures [Line Items]
Regulatory assets							80,500
Committed contribution to humanitarian fund				$ 75,000			75,000
Natural Disasters and Other Casualty Events \| Hawaiian Electric Company, Inc. and Subsidiaries \| Tort-Related Legal Claims \| Maui Windstorm and Wildfires
Public Utilities, General Disclosures [Line Items]
Insurance receivable							$ 40,000