XML 77 R56.htm IDEA: XBRL DOCUMENT v3.25.1

ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) (Tables)

3 Months Ended

Mar. 31, 2025

Equity [Abstract]

Changes in Accumulated Other Comprehensive Income/(Loss) by Component, Net of Tax

The changes in accumulated other comprehensive income/(loss) by component, net of tax, are as follows:

			For the Three Months Ended March 31, 2025																		For the Three Months Ended March 31, 2024
Eversource (Millions of Dollars)			Qualified Cash Flow Hedging Instruments						Defined Benefit Plans						Total						Qualified Cash Flow Hedging Instruments												Defined Benefit Plans						Total
Balance as of Beginning of Period			$	(0.4)					$	(26.1)					$	(26.5)					$	(0.4)											$	(33.3)					$	(33.7)
Amounts Reclassified from AOCI			—						2.5						2.5						—												5.2						5.2
Net OCI			—						2.5						2.5						—												5.2						5.2
Balance as of End of Period			$	(0.4)					$	(23.6)					$	(24.0)					$	(0.4)											$	(28.1)					$	(28.5)

X

- References

No definition available.

+ Details

Name:	us-gaap_EquityAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the components of accumulated other comprehensive income (loss).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482790/220-10-45-14A

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481674/830-30-50-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 20
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481694/830-30-45-20

+ Details

Name:	us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration