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Summary of Significant Accounting Policies (Detail)
12 Months Ended
Feb. 01, 2020
USD ($)
Sep. 30, 2020
Significant Accounting Policies [Line Items]    
Number of countries in which entity operates (more than)   200
Number of reportable segments   1
Indefinite-lived intangible impairment $ 0  
Goodwill, impairment loss $ 0  
Term of derivative contracts designated as cash flow hedges   12 months
Minimum    
Significant Accounting Policies [Line Items]    
Acquired long-lived intangible assets useful life   3 years
Minimum | U.S.    
Significant Accounting Policies [Line Items]    
Expected average employee future service period (in years)   6 years
Minimum | Non-U.S. Plans    
Significant Accounting Policies [Line Items]    
Expected average employee future service period (in years)   6 years
Maximum    
Significant Accounting Policies [Line Items]    
Acquired long-lived intangible assets useful life   15 years
Maximum | U.S.    
Significant Accounting Policies [Line Items]    
Expected average employee future service period (in years)   10 years
Maximum | Non-U.S. Plans    
Significant Accounting Policies [Line Items]    
Expected average employee future service period (in years)   10 years
Technology Equipment | Minimum    
Significant Accounting Policies [Line Items]    
Estimated useful life   2 years
Technology Equipment | Maximum    
Significant Accounting Policies [Line Items]    
Estimated useful life   10 years
Furniture and Fixtures | Minimum    
Significant Accounting Policies [Line Items]    
Estimated useful life   2 years
Furniture and Fixtures | Maximum    
Significant Accounting Policies [Line Items]    
Estimated useful life   10 years
Equipment | Minimum    
Significant Accounting Policies [Line Items]    
Estimated useful life   2 years
Equipment | Maximum    
Significant Accounting Policies [Line Items]    
Estimated useful life   10 years
Building Improvements | Minimum    
Significant Accounting Policies [Line Items]    
Estimated useful life   3 years
Building Improvements | Maximum    
Significant Accounting Policies [Line Items]    
Estimated useful life   40 years
Building    
Significant Accounting Policies [Line Items]    
Estimated useful life   40 years