In round numbers, the rebalancing may be in the process of swinging $10 billion to $12 billion or a bit more in annual Pentagon expenditures to the Asia-Pacific region.
Mind you, the flourish of highlighting our pivot combined with what should be a no-brainer on getting our Air Force and Navy fighting jointly in the Pacific (Air-Sea Battle) does serve a useful purpose of convincing our allies and neutrals that we won't be pushed out of the western Pacific by China.
So I don't dismiss the pivot. But let's not fool ourselves about what the pivot means in concrete terms.