Financial Instruments Schedule of Notional Values of Outstanding Derivatives (Details) - USD ($) $ in Millions	Mar. 28, 2020	Dec. 28, 2019
Commodity contracts
Derivative [Line Items]
Derivative, notional amount	$ 772	$ 475
Foreign exchange contracts
Derivative [Line Items]
Derivative, notional amount	2,495	3,045
Cross-currency contracts
Derivative [Line Items]
Derivative, notional amount	$ 4,035	$ 4,035

Nominal or face amount used to calculate payment on derivative.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant