Backlog (Details) - USD ($) $ in Billions	3 Months Ended	6 Months Ended
	Apr. 03, 2020	Jan. 03, 2020
Revenue from Contract with Customer [Abstract]
Revenue performance obligation period	P3Y	P3Y
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-04
Revenue from Contract with Customer [Abstract]
Expected timing of satisfaction period		12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Backlog		$ 20.6
Revenue performance obligation percentage		60.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-04-04
Revenue from Contract with Customer [Abstract]
Expected timing of satisfaction period	12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Backlog	$ 20.4
Revenue performance obligation percentage	50.00%