Other Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 30, 2019	Mar. 31, 2018
Other Income and Expenses [Abstract]
Interest Income	$ 67	$ 20
Interest Expense	(189)	(163)
Other Items, Net	19	(9)
Other Expense, Net	$ (103)	$ (152)