Description of the sources of revenue included in the "all other" segments category.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8657-108599

Name:	us-gaap_SegmentReportingDescriptionOfAllOtherSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Segment Information - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Segment Reporting Information [Line Items]
Intercompany profit eliminated	$ 4	$ 1	$ 8	$ 5
Other segments
Segment Reporting Information [Line Items]
Segment description			The primary sources of revenue included in other segments are the Company's food can, aerosol can, and closures businesses in North America, and beverage tooling and equipment operations in the U.S. and U.K.