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BENEFITS Benefits - Fair Value of Assets by Category (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2012
Mar. 25, 2012
Dec. 31, 2011
Defined Benefit Plan, Fair Value of Plan Assets $ 90 $ 155 $ 75
Cash and Cash Equivalents
     
Defined Benefit Plan, Fair Value of Plan Assets 2   2
Mutual Fund
     
Defined Benefit Plan, Fair Value of Plan Assets $ 88   $ 73