Restructuring - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 29, 2020	Mar. 31, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 11	$ 25
Personnel lay-off costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 11	$ 25

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.

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