XML 198 R148.htm IDEA: XBRL DOCUMENT v3.25.4

Revenue (Narrative) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($)
Revenue, Remaining Performance Obligation, Amount	$ 8,038
System Energy [Member]
Percent Interest in Grand Gulf	90.00%
Entergy Texas [Member]
Revenue, Remaining Performance Obligation, Amount	$ 204
Entergy Arkansas [Member]
Revenue, Remaining Performance Obligation, Amount	4,418
Entergy Louisiana [Member]
Revenue, Remaining Performance Obligation, Amount	849
Entergy Mississippi [Member]
Revenue, Remaining Performance Obligation, Amount	$ 2,567

X

- Definition

Percent Interest in Grand Gulf

+ References

No definition available.

+ Details

Name:	etr_PercentInterestinGrandGulf
Namespace Prefix:	etr_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (a)
-SubTopic 10
-Topic 606
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-13

+ Details

Name:	us-gaap_RevenueRemainingPerformanceObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	dei_LegalEntityAxis=etr_SystemEnergyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=etr_EntergyTexasMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=etr_EntergyArkansasMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=etr_EntergyLouisianaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=etr_EntergyMississippiMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: