CHICAGO--(BUSINESS WIRE)--Fitch Ratings has affirmed the ratings of PepsiCo, Inc. (PepsiCo), Pepsi-Cola Metropolitan Bottling Company, Inc., and Bottling Group, LLC at 'A'. The Rating Outlook is Stable. PepsiCo had approximately $28.9 billion of total debt at the end of 2014. A full list of rating actions follows at the end of the press release. KEY RATING DRIVERS Brand Strength and Scale PepsiCo's ratings reflect its considerable financial flexibility, substantial cash flow, significant scale,