Supplementary Cash Flow Information and Restricted Cash (Narrative) (Details) $ in Millions	9 Months Ended
Oct. 02, 2020 USD ($)
Supplemental Cash Flow Information [Abstract]
Receivable collectible period	30 days
Sales of accounts receivable	$ 1,866
Proceeds from sale of receivables	$ 1,864

Amount of decrease from sale of accounts receivable.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 11
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919244-210447

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