NEW YORK--(BUSINESS WIRE)--Fitch Ratings expects to assign the following initial ratings with a Stable Outlook to Computer Sciences Government Services, Inc. (CSGov) upon completion of CSGov's spin-off from Computer Sciences Corp. (CSC): --Issuer Default (IDR) 'BBB-'. Fitch anticipates that CSGov's unsecured issue ratings will be consistent with the company's expected IDR once the capital structure is finalized. Fitch's actions will affect $3.5 billion of expected unsecured debt financing, incl