The retailer plans to invest $1.2bn to $1.5bn on e-commerce this year.
The company, which is taking a different approach than Amazon, may have to invest more money in distribution centres and other costs to achieve its goal.
The significance of increasing online business is highlighted by Wal-Mart’s sluggish quarterly results.
Following a slight drop in quarterly sales, the company’s worldwide online revenue increased 17% in Q1 ended 30 April. But the spending in e-commerce shaved 2 cents off the company’s earning per share.
Wal-Mart plans to invest $1.2bn to $1.5bn on e-commerce this year. The company aims to open four fulfillment centres.
The company has a network of 4,500 stores. It is using over 80 for distribution, representing a fifth of its online deliveries on a unit basis.
Reuters reported Wal-Mart chief financial officer Charles Holley saying: "We feel like that’s a great advantage that we can leverage."
He said his response was not specifically related to Amazon.
Wal-Mart booked $12bn in online revenues last year. It is expected to cost between $20m and $40m to convert each conventional distribution centre for handling e-commerce.