Wal-Mart Stores, Inc. is engaged in the operation of retail, wholesale and other units in various formats around the world. The Company offers an assortment of merchandise and services at everyday low prices (EDLP). The Company operates through three segments: Walmart U.S., Walmart International and Sam's Club. The Walmart U.S. segment operates retail stores in approximately 50 states in the United States, Washington D.C. and Puerto Rico, with three primary store formats, as well as digital retail. The Walmart U.S. segment is a mass merchandiser of consumer products, operating under the Walmart or Wal-Mart brands, as well as walmart.com. The Walmart International segment consists of operations in over 27 countries outside of the United States. The Sam's Club consists of membership-only warehouse clubs and operates in approximately 48 states in the United States and in Puerto Rico, as well as digital retail.