Supplemental Balance Sheet Information Remaining Performance Obligations (Details) $ in Millions	Dec. 26, 2020 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue allocated to remaining performance obligations that are unsatisfied or partially unsatisfied	$ 337
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-12-27
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Expected timing of satisfaction, period	12 months
Revenue allocated to remaining performance obligations that are unsatisfied or partially unsatisfied	$ 174