Supplementary Information (Other Income (Expense), Net) (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 29, 2018	Jun. 30, 2017
Supplementary Information [Abstract]
Interest income	$ 7	$ 6
Loss from equity interest	(26)	0
Foreign exchange loss	(9)	(14)
Other	9	2
Total other expense, net	$ (19)	$ (6)