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Company Transformation (Details Textual) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Company Transformation (Textual) [Abstract]  
Transformation costs $ 636
Pre-tax transformation cost included in continuing operation 396
Pre-tax transformation cost included in discontinuing operation 240
Impairment charge relates to a decision to discontinue development 55
Defined benefit plan expense recognized $ 17