It's All About How You Count: Follow Up
The Department of Treasury has released its report on its activities resulting from the Emegency Economic Stabilization Act (P.L. 110-343) and, indeed, they are reporting what they spent as cash rather than as the "net present value" reported by the Congressional Budget Office. See Tranche Report to Congress and Tranche Report Appendices.
To sum up:
Congressional Budget Office reports $17 billion actually spent.
Dept. of the Treasury reports $115 billion actually spent.