XML 100 R82.htm IDEA: XBRL DOCUMENT v3.19.2
Inventories (Details) - USD ($)
$ in Millions
Apr. 26, 2019
Apr. 27, 2018
Inventory Disclosure [Abstract]    
Finished goods $ 2,476 $ 2,407
Work-in-process 572 496
Raw materials 705 676
Total $ 3,753 $ 3,579