The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 28
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-28

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

NATURE OF THE BUSINESS (Details) $ in Millions		12 Months Ended
NATURE OF THE BUSINESS (Details) $ in Millions	Nov. 25, 2024 USD ($)	Sep. 30, 2025 subsidiary
Residential Solar Portfolio \| Discontinued Operations
Nature of Business [Line Items]
Proceeds from divestiture of businesses \| $	$ 132.5
Steckman Ridge
Nature of Business [Line Items]
Ownership percentage		50.00%
NJR Retail Holdings Corporation
Nature of Business [Line Items]
Number of principal subsidiaries \| subsidiary		1