On the spending side, the Democrats' headline concession will be accepting chained-CPI, which is to say, accepting a cut to Social Security benefits. Beyond that, the negotiators will agree to targets for spending cuts. Expect the final number here, too, to be in the neighborhood of $1 trillion, but also expect it to lack many specifics. Whether the cuts come from Medicare or Medicaid, whether they include raising the Medicare age, and many of the other contentious issues in the talks will be left up to Congress.
The deal will lift the spending sequester, but it will be backed up by, yes, another sequester-like policy. I'm told that the details on this next sequester haven't been worked out yet, but the governing theory is that it should be more reasonable than the current sequester. That is to say, if the two parties can't agree on something better, then this should be a policy they're willing to live with.
On stimulus, unemployment insurance will be extended, as will the refundable tax credits. Some amount of infrastructure spending is likely. Perversely, the payroll tax cut, one of the most stimulative policies in the fiscal cliff, will likely be allowed to lapse, which will deal a big blow to the economy.
As for the debt ceiling, that will likely be lifted for a year, at least. In contrast to a week or so ago, when the White House was very intent on finishing the debt ceiling fight now, they're sounding considerably less committed to securing a long-term increase in these negotiations. The argument winning converts, I'm told, is that since the White House won't negotiate on the debt ceiling now and won't negotiate on it later, there's little reason to make it the sine qua non of a deal.
As is always the case, the negotiations could fall apart, or the deal could change. But right now, the participants sound upbeat, surprised at how quickly the process has moved from evident disaster to near-agreement, and fairly comfortable with where they think they'll end up.