I don't think that's what the Bloomberg article meant. They're talking about how Google funnels 88% of its non-US revenue (which totals $12.5B) through its Dublin subsidiary to reduce their tax burden.

Their total 2009 revenue was much higher, $23.6B (URL: http://investor.google.com/earnings/2009/Q4_google_earnings....) making non-US revenue a pretty big chunk at 53%.