Financial Instruments - Long-Term Debt Narrative (Details) $ in Millions	Mar. 29, 2020 USD ($)
Unsecured Debt [Member] \| Senior Notes Due 2047 [Member]
Debt Instrument [Line Items]
Repurchase amount	$ 1,065

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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