Here is the Joint Committee summary.
http://www.house.gov/jct/x-54-03.pdfI have not looked at the actual bill language yet (which always includes a few surprises not discussed in the official summaries), but my understandig is that any pension and benefit changes are only indirect--for example, I am assuming that the reduction in tax rates for dividends and capital gains will help employees under stock purchase plans, persons receiving a distribution eligible for the 1974 capital gains treatment rules, etc.
Also look at the attachment