XML 60 R48.htm IDEA: XBRL DOCUMENT v3.25.1

EMPLOYEE BENEFITS (Tables)

3 Months Ended

Mar. 31, 2025

Retirement Benefits [Abstract]

Schedule of net benefit cost (credit)

The following tables show the components of net periodic benefit cost (credit) (including amounts capitalized to our balance sheets) for our benefit plans:

															Pension Benefits
												Three Months Ended March 31
(in millions)																		2025						2024
Service cost																		$	5.7					$	6.7
Interest cost																		30.3						29.5
Expected return on plan assets																		(44.1)						(45.8)
Amortization of net actuarial loss																		13.6						14.4
Net periodic benefit cost																		$	5.5					$	4.8

																		OPEB Benefits
												Three Months Ended March 31
(in millions)																		2025						2024
Service cost																		$	2.8					$	2.8
Interest cost																		6.5						5.7
Expected return on plan assets																		(13.6)						(13.2)
Amortization of prior service credit																		(3.2)						(3.4)
Amortization of net actuarial gain																		(1.4)						(1.9)
Net periodic benefit credit																		$	(8.9)					$	(10.0)

X

- References

No definition available.

+ Details

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

X

- Definition

Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 715
-SubTopic 20
-Subparagraph (h)
-Name Accounting Standards Codification
-Paragraph 1
-Section 50
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

+ Details

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