Summary of Significant Accounting Policies - Fair Value Outstanding Debt (Details) - USD ($)	Oct. 28, 2017	Oct. 29, 2016
Debt Instrument [Line Items]
Principal	$ 7,900,000,000	$ 1,750,000,000
Unsecured Debt [Member] | Unsecured Term Loan, Three Year [Member]
Debt Instrument [Line Items]
Principal	1,950,000,000	0
Fair Value	1,950,000,000	0
Long-term Debt [Member]
Debt Instrument [Line Items]
Principal	7,600,000,000	1,750,000,000
Long-term Debt [Member] | Unsecured Debt [Member] | Unsecured Term Loan, Three Year [Member]
Debt Instrument [Line Items]
Principal	1,650,000,000	0
Long-term Debt [Member] | Unsecured Debt [Member] | Unsecured Term Loan, Five Year [Member]
Debt Instrument [Line Items]
Principal	2,100,000,000	0
Fair Value	2,100,000,000	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	0
Fair Value	399,530,000	0
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	498,582,000	501,307,000
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	0
Fair Value	554,411,000	0
Long-term Debt [Member] | Senior Notes [Member] | 2025 Notes [Member]
Debt Instrument [Line Items]
Principal	850,000,000	850,000,000
Fair Value	884,861,000	901,523,000
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	0
Fair Value	902,769,000	0
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	0
Fair Value	259,442,000	0
Long-term Debt [Member] | Senior Notes [Member] | 2045 Notes [Member]
Debt Instrument [Line Items]
Principal	400,000,000	400,000,000
Fair Value	$ 460,588,000	$ 425,109,000