Contingencies (Details) employee in Thousands, $ in Millions, $ in Millions	Jan. 31, 2025 USD ($) phase employee case securitiesClassAction classAction shareholder derivativeAction state territory	Dec. 24, 2024 USD ($)	Dec. 20, 2024 USD ($)	Dec. 12, 2024 USD ($) supplierContribution	Dec. 12, 2024 MXN ($) supplierContribution	Aug. 17, 2022 USD ($) defendant county	Jan. 09, 2025 pharmacist	Jan. 31, 2023 USD ($)
Loss Contingencies [Line Items]
Number of cases brought by third-party payers | case	4
Number of cases brought by hospitals | case	1
Number of former employees who brought complaints | pharmacist							2
Number of phases | phase	3
Opioids Litigation
Loss Contingencies [Line Items]
Number of states with settlement agreements | state	50
Number of U.S. territories with settlement agreements | territory	3
Loss contingency, accrued liabilities								$ 3,300.0
Number of securities class actions | securitiesClassAction	2
Opioids Litigation | Judicial Ruling
Loss Contingencies [Line Items]
Number of counties that brought claims | county						2
Loss contingency, number of defendants | defendant						3
Loss contingency, damages awarded, value						$ 700.0
Loss contingency, damages awarded, period						15 years
Loss contingency, damages awarded value, vacated	$ 700.0
Opioids Litigation | Settled Litigation
Loss Contingencies [Line Items]
Number of shareholders that filed derivative actions | shareholder	3
Number of derivative actions filed | derivativeAction	2
Amount awarded from other party			$ 123.0
Amount awarded for attorney's fees			$ 24.6
Period to maintain certain corporate governance practices, minimum			5 years
Proceeds from legal settlements		$ 99.0
Canada Opioids Class Action Complaints
Loss Contingencies [Line Items]
Number of putative class actions | classAction	2
Asda Equal Value Claims
Loss Contingencies [Line Items]
Number of current and former employees who brought claims | employee	70
Mexico Antitrust Matter | Pending Litigation
Loss Contingencies [Line Items]
Loss contingency, damages awarded, value				$ 5.0	$ 93.4
Types of supplier contributions | supplierContribution				2	2