Acquisitions and Joint Venture - Narrative (Details) - USD ($)			1 Months Ended	3 Months Ended			12 Months Ended
	Nov. 01, 2022	Dec. 17, 2021	Mar. 31, 2022	Apr. 30, 2023	Jan. 31, 2023	Jan. 31, 2022	Oct. 31, 2022	Jan. 19, 2021
Business Acquisition [Line Items]
Goodwill					$ 3,672,300,000		$ 3,609,700,000
Finite-lived intangible asset, useful life					16 years
Proceeds from sale of interest in a subsidiary			$ 52,100,000
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	$ 0
SightGlass Vision, Inc.
Business Acquisition [Line Items]
Equity method investment, ownership percentage			50.00%
Essilor International SAS
Business Acquisition [Line Items]
Payments to form joint venture			$ 10,000,000
Composite intangible asset
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life					19 years
Trademarks
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life					15 years
Technology-Based Intangible Assets [Member]
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life					12 years
Privately-Held U.S.-Based Company, Technologically Advanced Contact Lens Products
Business Acquisition [Line Items]
Goodwill	$ 13,100,000
Goodwill, expected tax deductible amount	0
Aggregate consideration	33,000,000
Privately-Held U.S.-Based Company, Technologically Advanced Contact Lens Products | Composite intangible asset
Business Acquisition [Line Items]
Finite-lived intangibles	12,600,000
Privately-Held U.S.-Based Company, Technologically Advanced Contact Lens Products | Technology-Based Intangible Assets [Member]
Business Acquisition [Line Items]
Finite-lived intangibles	$ 7,600,000
Cook Medicals Reproductive Health Business | Forecast | Subsequent Event
Business Acquisition [Line Items]
Aggregate consideration				$ 875,000,000
Payments to acquire business				675,000,000
Payables incurred in acquisition				200,000,000
Cook Medicals Reproductive Health Business | Forecast | Subsequent Event | Payables First Installment
Business Acquisition [Line Items]
Payables incurred in acquisition				50,000,000
Cook Medicals Reproductive Health Business | Forecast | Subsequent Event | Payables Second Installment
Business Acquisition [Line Items]
Payables incurred in acquisition				50,000,000
Cook Medicals Reproductive Health Business | Forecast | Subsequent Event | Payables Third Installment
Business Acquisition [Line Items]
Payables incurred in acquisition				50,000,000
Cook Medicals Reproductive Health Business | Forecast | Subsequent Event | Payables Fourth Installment
Business Acquisition [Line Items]
Payables incurred in acquisition				$ 50,000,000
Generate Life Sciences
Business Acquisition [Line Items]
Total purchase price		$ 1,663,100,000
Total assets acquired		2,124,300,000
Total liabilities assumed		461,200,000
Goodwill		1,173,900,000
Goodwill, expected tax deductible amount		0
Payments to acquire business		$ 1,663,000,000
Ownership percentage		100.00%
Generate Life Sciences | Composite intangible asset
Business Acquisition [Line Items]
Finite-lived intangibles		$ 718,300,000
Finite-lived intangible asset, useful life		20 years
Generate Life Sciences | Trademarks
Business Acquisition [Line Items]
Finite-lived intangibles		$ 54,900,000
Finite-lived intangible asset, useful life		15 years
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
Net gains recognized							$ 12,200,000
Decrease in contingent consideration liability					$ 31,800,000