XML 75 R59.htm IDEA: XBRL DOCUMENT v3.10.0.1
Goodwill and Purchased Intangible Assets (Schedule of Estimated Future Amortization Expense of Purchased Intangible Assets) (Details)
$ in Millions
Jul. 28, 2018
USD ($)
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]  
2019 $ 714
2020 667
2021 475
2022 222
2023 82
Thereafter $ 37