McKesson Corporation is a provider of diversified healthcare services. The Company is engaged in advancing health outcomes for patients everywhere. Its U.S. Pharmaceutical segment distributes branded, generic, specialty, biosimilar, and over the counter (OTC) pharmaceutical drugs and other healthcare-related products in the United States. Its Prescription Technology Solutions segment helps solve medication access, affordability, and adherence challenges for patients by working across healthcare to connect patients, pharmacies, providers, pharmacy benefit managers, health plans, and biopharma companies. Its Medical-Surgical Solutions segment provides medical-surgical supply distribution, logistics, and other services to healthcare providers, including physician offices, surgery centers, nursing homes, hospital reference labs, and home healthcare agencies. Its International segment provides distribution and services to wholesale, institutional, and retail customers in Europe and Canada.