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Derivative Instruments - Fair Value Hedges (Details) - Interest rate contracts - USD ($)
$ in Millions
Jan. 27, 2019
Oct. 28, 2018
Jan. 28, 2018
Fair Value Hedges | Designated as hedges      
Fair Value Hedges      
Notional amounts $ 8,247.4 $ 8,096.6 $ 8,746.5
Current Maturities of Long-term Borrowings      
Borrowings Designated in Fair Value Hedging Relationships      
Carrying Amount of Hedged Item 191.5    
Active Hedging Relationships 1.1    
Discontinued Relationships (4.4)    
Total (3.3)    
Long-term Borrowings      
Borrowings Designated in Fair Value Hedging Relationships      
Carrying Amount of Hedged Item 7,805.2    
Active Hedging Relationships (176.3)    
Discontinued Relationships (41.2)    
Total $ (217.5)