Walmart topped IDC's "The Big Guns: IDC's Worldwide Top 10 IT Spenders" report beating out heavy hitters like Citigroup, AT&T and ExxonMobil for the title of biggest IT spender. The competition for the top spot wasn't even close, with Walmart nearly doubling second-place finisher Bank of America's seemingly paltry $5.33bn investment, with a jaw-dropping $10.16bn tally according to IDC estimates.

The $10bn estimate for Walmart's IT expenditures includes hardware, software, IT services, telecommunication service and internal IT spending. With revenue approaching $500bn in 2014 the retailing giant certainly has money to spend, and although $10bn is a massive figure it is really just a drop in the Walmart bucket.

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