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Pensions and Other Postretirement Benefits (Tables)

3 Months Ended

Mar. 31, 2021

Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]

Pension and Other Postretirement Benefit Cost Components

Pension and postretirement benefit cost components were as follows:

															Other Postretirement
			Pension Benefits												Benefits
			First Quarter
			2021						2020						2021						2020
			($ in millions)
Service cost			$	11					$	10					$	2					$	1
Interest cost			13						19						2						3
Expected return on plan assets			(48)						(48)						(3)						(3)
Amortization of net losses			17						13						—						—
Amortization of prior service benefit			—						—						(6)						(6)
Net benefit			$	(7)					$	(6)					$	(5)					$	(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 http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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