Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 27, 2026	Mar. 28, 2025
Property, Plant and Equipment [Line Items]
Impairment charges	$ 0	$ 15
Biotechnology \| Facility
Property, Plant and Equipment [Line Items]
Impairment charges		$ 15

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 942
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 942
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration