XML 55 R53.htm IDEA: XBRL DOCUMENT v2.4.0.8
Income Taxes (Details 4) (USD $)
In Millions, unless otherwise specified
9 Months Ended
Sep. 30, 2014
Qualified and Non-qualified Pension Benefits
 
Benefit Plan Information  
Company contributions $ 107
Postretirement Benefits
 
Benefit Plan Information  
Company contributions $ 5