Fair Value - Debt (Details) - Long-term Debt - USD ($)	6 Months Ended
	May 01, 2021	Oct. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Principal Amount Outstanding	$ 5,175,000,000	$ 5,175,000,000
Fair Value	$ 5,643,939,000	5,708,995,000
3-Year term loan, due March 2022 | Unsecured debt term
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt term	3 years
Principal Amount Outstanding	$ 925,000,000	925,000,000
Fair Value	$ 925,000,000	925,000,000
2.50% Senior unsecured notes, due December 2021 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate	2.50%
Principal Amount Outstanding	$ 400,000,000	400,000,000
Fair Value	$ 405,196,000	408,565,000
2.875% Senior unsecured notes, due June 2023 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate	2.875%
Principal Amount Outstanding	$ 500,000,000	500,000,000
Fair Value	$ 525,006,000	526,855,000
3.125% Senior unsecured notes, due December 2023 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate	3.125%
Principal Amount Outstanding	$ 550,000,000	550,000,000
Fair Value	$ 586,873,000	590,177,000
2.95% Senior unsecured notes, due April 2025 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate	2.95%
Principal Amount Outstanding	$ 400,000,000	400,000,000
Fair Value	$ 428,099,000	434,919,000
3.90% Senior unsecured notes, due December 2025 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate	3.90%
Principal Amount Outstanding	$ 850,000,000	850,000,000
Fair Value	$ 953,208,000	969,033,000
3.50% Senior unsecured notes, due December 2026 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate	3.50%
Principal Amount Outstanding	$ 900,000,000	900,000,000
Fair Value	$ 995,115,000	1,017,505,000
4.50% Senior unsecured notes, due December 2036 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate	4.50%
Principal Amount Outstanding	$ 250,000,000	250,000,000
Fair Value	$ 302,410,000	298,153,000
5.30% Senior unsecured notes, due December 2045 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate	5.30%
Principal Amount Outstanding	$ 400,000,000	400,000,000
Fair Value	$ 523,032,000	$ 538,788,000