http://thinkprogress.org/2010/04/06/exxon-tax/

>>>ExxonMobil paid no federal income tax in 2009. (Updated)

exxon-mobilLast week, Forbes magazine published what the top U.S. corporations paid in taxes last year. "Most egregious," Forbes notes, is General Electric, which "generated $10.3 billion in pretax income, but ended up owing nothing to Uncle Sam. In fact, it recorded a tax benefit of $1.1 billion." Big Oil giant Exxon Mobil, which last year reported a record $45.2 billion profit, paid the most taxes of any corporation, but none of it went to the IRS: <<<

The Exxon Mobil report says they paid income taxes, not that those taxes went to the IRS. I am sure that they paid income taxes on their Canadian profits. I think it is likely that the bulk of the 5.7 billion paid was overseas. Also quarterly taxes shown on the books could well be offset by credits and loopholes at year end.