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Pension and Other Postretirement Benefits (Tables)

6 Months Ended

Jun. 30, 2021

Retirement Benefits [Abstract]

Pension and Other Postretirement Benefit Costs

Pension and other postretirement benefit costs for the three and six months ended June 30, 2021 and 2020 were as follows:

			Three Months Ended																								Six Months Ended
			June 30,																								June 30,
			Pension												Other Postretirement Benefits												Pension												Other Postretirement Benefits
In millions			2021						2020						2021						2020						2021						2020						2021						2020
Components of net periodic benefit cost:
Service cost			$	14					$	13					$	2					$	2					$	27					$	27					$	4					$	4
Interest cost			10						15						2						4						20						30						5						8
Expected return on plan assets			(26)						(28)						(6)						(6)						(51)						(56)						(13)						(12)
Amortization of actuarial loss (gain)			13						12						—						—						26						24						—						—
Amortization of prior service cost			1						—						—						—						1						—						—						—
Total net periodic benefit cost			$	12					$	12					$	(2)					$	—					$	23					$	25					$	(4)					$	—

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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=123447040&loc=d3e1928-114920

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