An easy walk - just make sure you don't accidentally go landside - (but there's an error - no current airside connection from T-2).

You could actually land in T3 where the walkway to the G gates is almost there, or you could end up in the piers with the mid-70s to 90 gates. I'd say 15 to 20 minute slow walk from the furthest end points of each. I'd want a longer connection, however, as you are likely arriving on a domestic flight more prone to delays, and leaving on an international flight less likely for delays.