Amazon hasn't paid any taxes to the US government in the past two years. Actually, Amazon received hundreds of millions of dollars in federal tax credits in 2017 and 2018. That might seem nuts, considering Amazon is the third-most valuable company in the world and earned a record $10 billion last year. But critics of Amazon's tax bill aren't accusing Amazon of doing anything improper. This is tax avoidance, not tax evasion. There's no indication of any wrongdoing, except on the part of Congress," said Matthew Gardner, senior fellow at the Institute on Taxation and Economic Policy. US tax code allows money-losing companies to reduce their future taxable income. Amazon's total earnings have easily topped its losses - many times over. But some of Amazon's earnings came from sales outside the United States, on which Amazon paid either lower or no US taxes. Many companies that lose money pay little or no federal income taxes. For example, General Motors (GM) has paid little federal tax money since emerging from bankruptcy in 2009, despite posting record profits for several years. Amazon declined to comment on its federal tax payments.