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Debt - Schedule of Debt (Details) - USD ($) $ in Millions	Jul. 02, 2021	Oct. 31, 2020	Jul. 03, 2020	Feb. 28, 2018
Debt Instrument [Line Items]
Debt instrument, carrying amount	$ 8,825		$ 9,711
Issuance costs and debt discounts	(100)		(136)
Net carrying value	8,725		9,575
Less current portion of long-term debt	(251)		(286)
Long-term debt	$ 8,474		$ 9,289
0.50% convertible senior notes due 2020
Debt Instrument [Line Items]
Debt instrument, interest rate (percentage)	0.50%		0.50%
Debt instrument, carrying amount	$ 0		$ 35
Variable interest rate Term Loan A-1 maturing 2023
Debt Instrument [Line Items]
Debt instrument, carrying amount	4,332		4,583
Variable interest rate Term Loan B-4 maturing 2023
Debt Instrument [Line Items]
Debt instrument, carrying amount	$ 1,093		$ 1,693
4.75% senior unsecured notes due 2026
Debt Instrument [Line Items]
Debt instrument, interest rate (percentage)	4.75%		4.75%
Debt instrument, carrying amount	$ 2,300		$ 2,300
Convertible Debt \| 0.50% convertible senior notes due 2020
Debt Instrument [Line Items]
Debt instrument, interest rate (percentage)		0.50%
Convertible Debt \| 1.50% convertible notes due 2024
Debt Instrument [Line Items]
Debt instrument, interest rate (percentage)	1.50%		1.50%	1.50%
Debt instrument, carrying amount	$ 1,100		$ 1,100
Issuance costs and debt discounts	$ (83)