Restructuring - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 28, 2020	Jun. 30, 2019	Jun. 28, 2020	Jun. 30, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 8	$ 5	$ 19	$ 30
Personnel lay-off costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges			$ 19	$ 30

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No definition available.

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