Supplementary Information (Other Income (Expense), Net) (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
	Jul. 27, 2020	Oct. 02, 2020	Oct. 04, 2019	Oct. 02, 2020	Oct. 04, 2019
Supplementary Information [Abstract]
Interest income		$ 1	$ 8	$ 3	$ 18
Loss from equity interest		0	(11)	0	(22)
Foreign exchange gain (loss)		0	(1)	1	(2)
Gain on extinguishment of debt		0	0	20	0
Gain on sale of property	$ 35	35	0	35	0
Other		2	1	(2)	4
Other income (expense), net		$ 38	$ (3)	$ 57	$ (2)