Walmart Inc. is a technology-powered omnichannel retailer. The Company is engaged in the operation of retail and wholesale stores and clubs, as well as eCommerce websites and mobile applications, located throughout the United States (U.S.), Africa, Canada, Central America, Chile, China, India and Mexico. It operates in three reportable segments: Walmart U.S., Walmart International and Sam's Club U.S. The Walmart U.S. segment includes the Company's mass merchandising concept in the U.S., as well as eCommerce, which includes omnichannel initiatives and certain other business offerings such as advertising services. The Walmart International segment consists of the Company's operations outside of the U.S., as well as eCommerce, which includes omnichannel initiatives. The Sam's Club U.S. segment includes the warehouse membership clubs in the U.S., as well as eCommerce, which includes omnichannel initiatives.