Summary of Significant Accounting Policies - Fair Value Outstanding Debt (Details) - USD ($)	Nov. 03, 2018	Oct. 28, 2017
Debt Instrument [Line Items]
Principal	$ 6,375,000,000	$ 7,900,000,000
Fair Value	6,230,648,000	8,010,183,000
Unsecured Debt [Member] | Unsecured Term Loan, Three Year [Member]
Debt Instrument [Line Items]
Principal	425,000,000	1,950,000,000
Fair Value	425,000,000	1,950,000,000
Long-term Debt [Member]
Debt Instrument [Line Items]
Principal	6,308,000,000	7,600,000,000
Long-term Debt [Member] | Unsecured Debt [Member] | Unsecured Term Loan, Three Year [Member]
Debt Instrument [Line Items]
Principal	358,000,000	1,650,000,000
Long-term Debt [Member] | Unsecured Debt [Member] | Unsecured Term Loan, Five Year [Member]
Debt Instrument [Line Items]
Principal	1,350,000,000	2,100,000,000
Fair Value	1,350,000,000	2,100,000,000
Long-term Debt [Member] | Senior Notes [Member] | Senior 2.850% Unsecured Notes Due March 2020 [Member]
Debt Instrument [Line Items]
Principal	300,000,000	0
Fair Value	298,147,000	0
Long-term Debt [Member] | Senior Notes [Member] | Senior 2.5% Unsecured Notes Due December 5,2021 [Member]
Debt Instrument [Line Items]
Principal		0
Fair Value	444,568,000	0
Long-term Debt [Member] | Senior Notes [Member] | Senior 2.500% Unsecured Notes Due December 5, 2021 [Member]
Debt Instrument [Line Items]
Principal	400,000,000	400,000,000
Fair Value	386,375,000	399,530,000
Long-term Debt [Member] | Senior Notes [Member] | 2.875% Senior unsecured notes due June 1, 2023 [Member]
Debt Instrument [Line Items]
Principal	500,000,000	500,000,000
Fair Value	479,189,000	498,582,000
Long-term Debt [Member] | Senior Notes [Member] | Senior 3.125% Unsecured Notes Due December 5, 2023 [Member]
Debt Instrument [Line Items]
Principal	550,000,000	550,000,000
Fair Value	529,120,000	554,411,000
Long-term Debt [Member] | Senior Notes [Member] | 2025 Notes [Member]
Debt Instrument [Line Items]
Principal	850,000,000	850,000,000
Fair Value	829,611,000	884,861,000
Long-term Debt [Member] | Senior Notes [Member] | Senior 3.500% Unsecured Notes Due December 5, 2026 [Member]
Debt Instrument [Line Items]
Principal	900,000,000	900,000,000
Fair Value	848,027,000	902,769,000
Long-term Debt [Member] | Senior Notes [Member] | Senior 4.500% Unsecured Notes Dues December 5, 2036 [Member]
Debt Instrument [Line Items]
Principal	250,000,000	250,000,000
Fair Value	232,627,000	259,442,000
Long-term Debt [Member] | Senior Notes [Member] | 2045 Notes [Member]
Debt Instrument [Line Items]
Principal	400,000,000	400,000,000
Fair Value	$ 407,984,000	$ 460,588,000