Acquisitions and Joint Venture (Details)					1 Months Ended	12 Months Ended
	Nov. 01, 2023 USD ($) installment	Nov. 01, 2022 USD ($)	Apr. 06, 2022 USD ($)	Dec. 17, 2021 USD ($)	Mar. 31, 2022 USD ($)	Oct. 31, 2023 USD ($)	Oct. 31, 2022 USD ($)	Oct. 31, 2021 USD ($)	Jan. 19, 2021 USD ($)
Business Acquisition [Line Items]
Goodwill						$ 3,624,500,000	$ 3,609,700,000
Proceeds from sale of interest in a subsidiary					$ 52,100,000	0	52,100,000	$ 0
Payments to form joint venture					10,000,000
Equity method investments					90,000,000
Equity method investment realized gain							56,900,000
Decrease in contingent consideration liability						31,800,000	10,300,000	$ (66,100,000)
Essilor International SAS
Business Acquisition [Line Items]
Payments to form joint venture					$ 10,000,000
SightGlass Vision, Inc.
Business Acquisition [Line Items]
Equity method investment, ownership percentage					50.00%
Privately-Held U.S.-Based Company, Technologically Advanced Contact Lens Products
Business Acquisition [Line Items]
Aggregate consideration		$ 33,000,000
Net assets		5,100,000
Goodwill		7,700,000
Goodwill, expected tax deductible amount		0
Privately-Held U.S.-Based Company, Technologically Advanced Contact Lens Products | Customer relationships
Business Acquisition [Line Items]
Finite-lived intangibles		12,600,000
Privately-Held U.S.-Based Company, Technologically Advanced Contact Lens Products | Technology
Business Acquisition [Line Items]
Finite-lived intangibles		$ 7,600,000
Cook Medicals Reproductive Health Business
Business Acquisition [Line Items]
Aggregate consideration			$ 875,000,000
Payments to acquire business			675,000,000
Payables incurred in acquisition			200,000,000
Acquisition termination fee						45,000,000
Cook Medicals Reproductive Health Business | Payables First Installment
Business Acquisition [Line Items]
Payables incurred in acquisition			50,000,000
Cook Medicals Reproductive Health Business | Payables Second Installment
Business Acquisition [Line Items]
Payables incurred in acquisition			50,000,000
Cook Medicals Reproductive Health Business | Payables Third Installment
Business Acquisition [Line Items]
Payables incurred in acquisition			50,000,000
Cook Medicals Reproductive Health Business | Payables Fourth Installment
Business Acquisition [Line Items]
Payables incurred in acquisition			$ 50,000,000
Generate Life Sciences
Business Acquisition [Line Items]
Payments to acquire business				$ 1,663,000,000
Ownership percentage				100.00%
Generate Life Sciences | Line of Credit | Term Loan Facility 2021
Business Acquisition [Line Items]
Proceeds from line of credit				$ 1,500,000,000
Privately-Held Medical Device Company, Spectacle Lenses, Portion Attributable To Former Equity Interest Owners
Business Acquisition [Line Items]
Undiscounted range of the contingent consideration, minimum									$ 0
Undiscounted range of the contingent consideration, maximum									$ 139,100,000
Payment to settle former equity interest owners					$ 42,900,000
Equity investment gain realized before acquisition of remaining equity interest							$ 12,200,000
Decrease in contingent consideration liability						$ 31,800,000
Cook Medical | Subsequent Event
Business Acquisition [Line Items]
Aggregate consideration	$ 300,000,000
Payments to acquire business	200,000,000
Payables incurred in acquisition	$ 100,000,000
Number of installments | installment	2
Cook Medical | Payables First Installment | Subsequent Event
Business Acquisition [Line Items]
Payables incurred in acquisition	$ 50,000,000
Cook Medical | Payables Second Installment | Subsequent Event
Business Acquisition [Line Items]
Payables incurred in acquisition	$ 50,000,000