Revenues - Remaining Performance Obligations (Details) $ in Billions	Jan. 04, 2020 USD ($)
Remaining Performance Obligation, Expected Timing of Satisfaction
Remaining performance obligations	$ 9.8
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-02
Remaining Performance Obligation, Expected Timing of Satisfaction
Percentage of remaining performance obligation expected to be recognized in period	75.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-12-31
Remaining Performance Obligation, Expected Timing of Satisfaction
Percentage of remaining performance obligation expected to be recognized in period	20.00%