CHICAGO--(BUSINESS WIRE)--Fitch Ratings has affirmed the ratings for Xerox Corp. (Xerox) and its wholly-owned subsidiary, Affiliated Computer Services, Inc. (ACS), including the long-term Issuer Default Rating (IDR) at 'BBB'. The Rating Outlook is Stable. Fitch's actions affect $9.8 billion of debt, including Xerox's undrawn $2 billion revolving credit facility (RCF). KEY RATING DRIVERS Xerox's ratings and Stable Outlook reflect: --Fitch's expectations for improving operating results in Service