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Restructuring Related Activities 2007 (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended 53 Months Ended
Jun. 30, 2013
Jun. 30, 2013
Jun. 30, 2013
Restructuring and Related Cost [Line Items]      
Restructuring and Related Cost, Cost Incurred to Date     $ 521
Cash payments associated with restructuring initiatives $ 24 $ 71 $ 446