Humanitarian Aid Fund, Committed Contribution

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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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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, Discount Rate

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No definition available.

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- Definition

Litigation Settlement, Fee Expense Accrued

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No definition available.

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- Definition

Loss Contingency, Directors And Officers Liability Insurance

+ References

No definition available.

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- Definition

Loss Contingency, Directors And Officers Liability Insurance, Retention Amount

+ References

No definition available.

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- Definition

Loss Contingency, Excess Liability Insurance

+ References

No definition available.

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- Definition

Loss Contingency, Excess Liability Insurance, Retention Amount

+ References

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

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No definition available.

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- Definition

Loss Contingency, Number Of Lawyers Representing Plaintiffs

+ References

No definition available.

+ Details

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- Definition

Loss Contingency, Property Insurance Coverage

+ 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

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 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.

+ 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

Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Topic 450
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-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-10

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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

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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
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-4

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
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-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

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

+ References

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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

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
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478742/980-340-50-1

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Maui windstorm and wildfires - Narrative (Details) $ in Thousands				1 Months Ended	2 Months Ended	6 Months Ended		14 Months Ended
	Jul. 29, 2025 claim plaintiff	Nov. 01, 2024 USD ($) installment fund claim lawyer	May 04, 2024 USD ($)	Feb. 08, 2024 claim	Jun. 08, 2024 claim	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Nov. 06, 2024 claim	Dec. 31, 2024 USD ($)	Nov. 08, 2023 USD ($)
Public Utilities, General Disclosures [Line Items]
Regulatory assets						$ 241,960			$ 227,424
Property insurance policy limit						500,000
Retention for property damages						1,000
Property insurance coverage						490,400
Settlement accrual, current liability						478,750			478,750
Settlement accrual, non-current liabilities						1,436,250			1,436,250
Excess liability insurance						11,000
Miscellaneous professional liability						0
Directors and officers liability insurance						120,000
Insurance Claims, Legal-Related Recoveries
Public Utilities, General Disclosures [Line Items]
Insurance reimbursement receivable						52,000
Indemnification Agreement
Public Utilities, General Disclosures [Line Items]
Amount agreed to contribute			$ 18,400
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
Tort-Related Legal Claims \| Maui Windstorm and Wildfires \| Subsequent Event
Public Utilities, General Disclosures [Line Items]
Lawsuit claim filed \| claim	835
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	1
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 \| Subsequent Event
Public Utilities, General Disclosures [Line Items]
Lawsuit claim filed \| claim	1
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
Hawaiian Electric Company, Inc. and Subsidiaries
Public Utilities, General Disclosures [Line Items]
Insurance recoveries						8,600	$ 0
Settlement accrual, current liability		$ 479,000				478,750			478,750
Settlement payments reserved						500,000
Settlement accrual, non-current liabilities						1,436,250			$ 1,436,250
Hawaiian Electric Company, Inc. and Subsidiaries \| Insurance Claims, Legal-Related Recoveries
Public Utilities, General Disclosures [Line Items]
Insurance reimbursement receivable						49,000
Hawaiian Electric Company, Inc. and Subsidiaries \| Indemnification Agreement
Public Utilities, General Disclosures [Line Items]
Settlement accrual							$ 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 \| Tort-Related Legal Claims \| Maui Windstorm and Wildfires
Public Utilities, General Disclosures [Line Items]
Amount agreed to contribute		$ 1,990,000
Settlement funds \| fund		2
Installment payments \| installment		4
Discount rate		5.50%
Natural Disasters and Other Casualty Events \| Total Defendants \| Tort-Related Legal Claims \| Maui Windstorm and Wildfires
Public Utilities, General Disclosures [Line Items]
Amount agreed to contribute		$ 4,040,000
Natural Disasters and Other Casualty Events \| Hawaiian Electric Company, Inc. and Subsidiaries
Public Utilities, General Disclosures [Line Items]
Regulatory assets						68,200
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