The spending increases will happen in the next 2 years. The spending DEcreases will happen in 2021 or later, if ever. And you can bet that everything after "happen" in the last sentence is already inoperative.
It also moves payroll tax (Soc Sec) revenues into the disability fund which will go broke next year unless this change happens. Of course, that will ensure that the SocSec fund will go broke faster. But who cares? No one in Boehner/McConnell/Obozo-land.
And yes, Paul Ryan will vote against this. That's the plan; the bill will pass regardless.
More at Conservative Review.