Revenue from Contracts with Customers Performance Obligation (Details) $ in Millions	9 Months Ended
	Sep. 28, 2019 USD ($)
Revenue Recognition [Line Items]
Revenue, Remaining Performance Obligation, Amount	$ 13,310
Contract with Customer, Liability, Revenue Recognized	$ 342
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Explanation	we expect to recognize 31% of the revenue over the next 12 months and the remainder thereafter