Derivative Instruments - Not Designated as Hedging Instruments (Details) - Not Designated as Hedging Instruments - USD ($) $ in Millions	Jan. 27, 2019	Oct. 28, 2018	Jan. 28, 2018
Interest rate contracts
Derivatives Not Designated as Hedging Instruments
Notional amounts	$ 1,888.0	$ 1,899.6	$ 2,524.7
Interest rate caps | Purchased
Derivatives Not Designated as Hedging Instruments
Notional amounts	2,292.8	1,519.1	2,197.0
Interest rate caps | Sold
Derivatives Not Designated as Hedging Instruments
Notional amounts	2,292.8	1,519.1	2,197.0
Foreign exchange contracts
Derivatives Not Designated as Hedging Instruments
Notional amounts	1,683.5	1,564.3	1,469.2
Cross-currency interest rate contracts
Derivatives Not Designated as Hedging Instruments
Notional amounts	$ 78.8	$ 71.8	$ 75.8