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Retirement Plans (Tables)

3 Months Ended

Mar. 31, 2021

Retirement Plans [Abstract]

Net Periodic Pension And OPEB Cost/(Benefit)

The components of our net periodic pension and OPEB costs were as follows for the three months ended March 31:

Millions,	Pension					OPEB
for the Three Months Ended March 31,	2021		2020			2021		2020
Service cost	$	30	$	27		$	-	$	-
Interest cost		26		34			1		1
Expected return on plan assets		(67)		(70)			-		-
Amortization of:
Prior service cost/(credit)		-		-			(4)		(3)
Actuarial loss		36		28			2		2
Net periodic benefit cost	$	25	$	19		$	(1)	$	-

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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 http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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