BASIS OF PRESENTATION (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended	9 Months Ended
Sep. 26, 2021	Jun. 27, 2021	Sep. 26, 2021
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
AWE generated sales		$ 0
Atomic Weapons Establishment
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
AWE generated sales	$ 350	865	$ 1,000
Operating profit	$ 10	$ 15	$ 30

Amount of revenue from collaborative arrangement. Excludes revenue from contract with customer under Topic 606.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 808
-SubTopic 10
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=123385629&loc=SL5834089-161433

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 808
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=6931272&loc=SL5834143-161434

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration