Debt (Textual) (Details)		1 Months Ended		3 Months Ended			9 Months Ended			12 Months Ended
	Jun. 28, 2019 USD ($) debt_extension	Jan. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Aug. 03, 2019 USD ($)	May 04, 2019 USD ($)	Feb. 02, 2019 USD ($)	Aug. 03, 2019 USD ($)	Aug. 04, 2018 USD ($)	[1]	Oct. 31, 2020
Debt Instrument [Line Items]
Repayments of debt							$ 650,000,000	$ 2,050,000,000
Short-term debt borrowed							$ 75,000,000	$ 0
Unsecured debt term
Debt Instrument [Line Items]
Repayments of debt				$ 125,000,000.0
Unsecured debt term | Term loan, due March 2022
Debt Instrument [Line Items]
Amount available under credit facility	$ 1,250,000,000
Covenant, leverage ratio	4.0
Unsecured debt term | 3-Year term loan
Debt Instrument [Line Items]
Debt term	3 years
Repayments of debt				75,000,000.0	$ 350,000,000	$ 350,000,000.0
Unsecured debt term | 3-Year term loan, due March 2020
Debt Instrument [Line Items]
Debt term	3 years
Unsecured debt term | 5-Year term loan
Debt Instrument [Line Items]
Debt term	5 years
Repayments of debt				$ 100,000,000.0
Unsecured debt term | 5-Year term loan, due March 2022
Debt Instrument [Line Items]
Debt term	5 years
Revolving credit facility
Debt Instrument [Line Items]
Amount available under credit facility	$ 1,250,000,000
Debt term	5 years
Repayments of debt		$ 75,000,000.0
Number of extension options | debt_extension	2
Extension options, period	1 year
Short-term debt borrowed			$ 75,000,000.0
Interest expense, borrowings		$ 200,000
New York Federal Reserve Bank Rate | Unsecured debt term | Term loan, due March 2022
Debt Instrument [Line Items]
Basis spread on variable rate	0.50%
London Interbank Offered Rate (LIBOR) | Unsecured debt term | Term loan, due March 2022
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
Federal Funds Rate | Revolving credit facility
Debt Instrument [Line Items]
Basis spread on variable rate	0.50%
Eurodollar | Revolving credit facility
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
Scenario, Forecast [Member] | Unsecured debt term | Term loan, due March 2022
Debt Instrument [Line Items]
No fundamental change, covenant, leverage ratio										3.5
Fundamental change, covenant, leverage ratio										4.0

[1] Balances have been restated to reflect the full retrospective adoption of Accounting Standards Update (ASU) 2014-09, Revenue from Contracts with Customers (ASU 2014-09). See Note 1, Basis of Presentation, in the Notes to Condensed Consolidated Financial Statements.