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Pension and Other Postretirement Benefit Plans (Expected Employer Contributions to Funded Plans) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
United States Pension Benefits
 
2014 expected contributions $ 160 [1]
Foreign Pension Benefits
 
2014 expected contributions $ 11
[1] 1 Contributions include $160 million of minimum contributions required by law.