XML 83 R156.htm IDEA: XBRL DOCUMENT v2.4.0.8
Long-term and Short-term Debt (Short-term with Maturities of Year or Less) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Debt Disclosure [Abstract]    
Commercial Paper $ 175 $ 100
Short-term Debt, average daily balance 103 119
Short-term Debt Average Days Outstanding 55 days 40 days
Short-term Debt [Line Items]    
Short-term debt $ 175 $ 100