Feb 24 - Fitch Ratings has affirmed the IDR and long-term debt ratings of Ball Corporation. The Rating Outlook is Stable. In addition, Fitch has assigned a 'BB+' rating to Ball Corp.'s $500 million senior unsecured notes offering due 2022. The company intends to use the net proceeds from the offering to pay the consideration, accrued and unpaid interest and related fees in connection with the previously announced tender offer and related consent solicitation for any and all of its outstanding $4