Goodwill and Intangible Assets - Impairment Analysis (Details)	Jan. 30, 2021	Jan. 25, 2020	Jan. 26, 2019
Terminal Growth Rate
Acquired Finite-Lived Intangible Assets [Line Items]
Indefinite-lived Intangible Asset, Measurement Input	3.0	3.0
Discount Rate
Acquired Finite-Lived Intangible Assets [Line Items]
Indefinite-lived Intangible Asset, Measurement Input	0.100	0.100	0.110
Maximum | Terminal Growth Rate
Acquired Finite-Lived Intangible Assets [Line Items]
Indefinite-lived Intangible Asset, Measurement Input			0.0300
Minimum | Terminal Growth Rate
Acquired Finite-Lived Intangible Assets [Line Items]
Indefinite-lived Intangible Asset, Measurement Input			0.025