Walmart Inc. operates through three primary business segments: Walmart U.S., Walmart International, and Sam's Club. The Walmart U.S. segment is the largest, operating retail stores in various formats and an e-commerce platform across the United States. The International segment encompasses operations in numerous countries, including wholly-owned subsidiaries and joint ventures. Sam's Club operates membership-only warehouse clubs offering bulk groceries and general merchandise. The company's product offerings span groceries, health and wellness products, electronics, apparel, and home goods. Walmart leverages its immense scale, advanced logistics network, and growing digital capabilities to maintain a dominant competitive position in the global retail industry.