Supplementary Information (Other Income, Net) (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
	Jul. 27, 2020	Jan. 01, 2021	Jan. 03, 2020	Jan. 01, 2021	Jan. 03, 2020
Supplementary Information [Abstract]
Interest income		$ 0	$ 38	$ 3	$ 56
Loss from equity interest		0	(9)	0	(31)
Foreign exchange gain (loss)		2	(5)	3	(7)
Gain on sale of equity investment method		0	379	0	379
Gain on early extinguishment of debt		0	0	20	0
Gain on sale of property	$ 35	0	0	35	0
Other		3	(4)	1	0
Other income, net		$ 5	$ 399	$ 62	$ 397