XML 56 R141.htm IDEA: XBRL DOCUMENT v2.4.0.8
Note 20 - Other Postretirement Benefits (Details) - Effect of One-Percentage Point Change in Assumed Healthcare Cost Trend Rates (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Effect of One-Percentage Point Change in Assumed Healthcare Cost Trend Rates [Abstract]  
Effect on postretirement benefit obligation $ 6
Effect on postretirement benefit obligation $ (5)