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Note 6 - Guarantees (Details) - Change in Accrued Warranty Obligations
$ in Millions
6 Months Ended
Jun. 30, 2015
USD ($)
Successor [Member]  
Product Warranty Liability [Line Items]  
Actual warranty experience during 2015 $ (4)
2015 warranty provisions 4
Predecessor [Member]  
Product Warranty Liability [Line Items]  
Accrued warranty obligations $ 5