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EMPLOYEE BENEFITS (Tables)

3 Months Ended

Mar. 31, 2023

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)						2023						2022
Service cost						$	6.6					$	12.4
Interest cost						30.8						22.8
Expected return on plan assets						(47.4)						(52.7)
Amortization of prior service cost						0.1						0.4
Amortization of net actuarial loss						7.4						19.1
Net periodic benefit cost (credit)						$	(2.5)					$	2.0

						OPEB Benefits
						Three Months Ended March 31
(in millions)						2023						2022
Service cost						$	2.5					$	3.8
Interest cost						5.4						3.9
Expected return on plan assets						(13.3)						(17.2)
Amortization of prior service credit						(3.7)						(4.0)
Amortization of net actuarial gain						(3.2)						(6.0)
Net periodic benefit credit						$	(12.3)					$	(19.5)

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- References

No definition available.

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- 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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (h)
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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