my advice: get the policy from HR if you are in the application process.short summary: you will stay in decent hotels´, 4* or even better depending on the project and location, for a long term assignment you will get an apartment. analysts ususally share flats.you will fly economy class only.one nice thing: every two things you will have the option to fly home as usual or get a specific amout paid out which can be spend for any destination etc you like.hope that helps.