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Note 20 - Other Postretirement Benefits (Details) - Other Post Retirement Benefits Which Reflects Expected Future Services Expected To Be Paid (Other Postretirement Benefit Plans [Member], USD $)
In Millions, unless otherwise specified
Dec. 31, 2013
Other Postretirement Benefit Plans [Member]
 
Note 20 - Other Postretirement Benefits (Details) - Other Post Retirement Benefits Which Reflects Expected Future Services Expected To Be Paid [Line Items]  
2014 $ 8
2015 7
2016 7
2017 6
2018 5
2019-2023 $ 22