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Pension and Other Postretirement Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2021

Pension Plans

Defined Benefit Plan Disclosure [Line Items]

Net Benefit Costs

The Company has defined benefit pension plans covering eligible employees in the U.S. and in certain of its international subsidiaries. The net periodic benefit cost of such plans (including certain costs reported as part of discontinued operations) consisted of the following components: 

			Three Months Ended September 30,																								Nine Months Ended September 30,
			2021												2020												2021												2020
($ in millions)			U.S.						International						U.S.						International						U.S.						International						U.S.						International
Service cost			$	104					$	75					$	96					$	76					$	302					$	254					$	270					$	222
Interest cost			102						33						107						35						305						92						323						102
Expected return on plan assets			(188)						(105)						(193)						(104)						(568)						(313)						(581)						(309)
Amortization of unrecognized prior service credit			(9)						(3)						(12)						(3)						(29)						(12)						(37)						(9)
Net loss amortization			75						32						75						32						218						110						228						94
Termination benefits			2						—						1						1						54						3						5						2
Curtailments			(1)						—						1						—						15						(27)						4						(1)
Settlements			139						—						2						—						139						2						11						2
			$	224					$	32					$	77					$	37					$	436					$	109					$	223					$	103

Other Postretirement Benefit Plans

Defined Benefit Plan Disclosure [Line Items]

Net Benefit Costs

The Company provides medical benefits, principally to its eligible U.S. retirees and similar benefits to their dependents, through its other postretirement benefit plans. The net credit of such plans consisted of the following components: 

			Three Months Ended September 30,												Nine Months Ended September 30,
($ in millions)			2021						2020						2021						2020
Service cost			$	11					$	13					$	37					$	39
Interest cost			12						14						34						43
Expected return on plan assets			(20)						(19)						(59)						(56)
Amortization of unrecognized prior service credit			(16)						(18)						(48)						(54)
Net gain amortization			(12)						(5)						(30)						(13)
Termination benefits			—						—						37						—
Curtailments			(1)						—						(29)						(1)
			$	(26)					$	(15)					$	(58)					$	(42)

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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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