- A Division is a branch of Walmart.
- Walmart's operations are organized into four divisions: Walmart U.S., Walmart International, Sam's Club and Global eCommerce.
- The company offers various retail formats throughout these divisions, including supercenters, supermarkets, hypermarkets, warehouse clubs, cash-and-carry stores, home improvement, specialty electronics, restaurants, apparel stores, drugstores, convenience stores, and digital retail.
- Walmart U.S. is the company's largest division, accounting for US$331.666 billion, or 65 percent of total sales, for fiscal 2019.
- It consists of three retail formats that have become commonplace in the United States: Supercenters, Discount Stores, Neighborhood Markets, and other small formats.
- The discount stores sell a variety of mostly non-grocery products, though emphasis has now shifted towards supercenters, which include more groceries.
- As of July 31, 2020, Walmart's international operations comprised 6,143 stores and 800,000 workers in 26 countries outside the United States.
- There are wholly owned operations in Argentina, Brazil, Canada, and the UK. With 2.2 million employees worldwide, the company is the largest private employer in the U.S. and Mexico, and one of the largest in Canada.
- In fiscal 2019 Walmart's international division sales were US$120.824 billion, or 23.7 percent of total sales.
- International retail units range from 1,400 to 186,000 square feet (130 to 17,280 square metres), while wholesale units range from 25,000 to 156,000 square feet (2,300 to 14,500 square metres.
- Sam's Club is a chain of warehouse clubs that sell groceries and general merchandise, often in bulk.
- Locations generally range in size from 32,000–168,000 sq ft (3,000–15,600 m2), with an average club size of approximately 134,000 sq ft (12,400 m2).
- The first Sam's Club was opened by Walmart, Inc. in 1983 in Midwest City, Oklahoma under the name "Sam's Wholesale Club".
- The chain was named after its founder Sam Walton.
- As of July 31, 2020, Sam's Club operated 599 membership warehouse clubs and accounted for 11.3% of Walmart's revenue at $57.839 billion in fiscal year 2019.
- Based in San Bruno, California, Walmart's Global eCommerce division provides online retailing for Walmart, Sam's Club, Asda, and all other international brands.
- There are several locations in the United States in California and Oregon: San Bruno, Sunnyvale, Brisbane, and Portland.
- Locations outside of the United States include Shanghai (China), Leeds (United Kingdom), and Bangalore (India).