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Note 12 - Guarantees (Details) - Deferred Revenue (USD $)
In Millions, unless otherwise specified
6 Months Ended
Jun. 30, 2013
Deferred Revenue [Abstract]  
Deferred revenue on extended warranties $ 38
New extended warranty and maintenance arrangements in 2013 89
Recognition of extended warranty and maintenance arrangement revenue in 2013 (89)
Deferred revenue on extended warranties $ 38