XML 91 R68.htm IDEA: XBRL DOCUMENT v2.4.0.8
Fair Value Measurements Footnote (details) - Financial Instruments (USD $)
In Millions, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Financial Instruments    
Short-term securities $ 3,882 $ 3,483
Commercial paper 100 100
Fair Value [Member]
   
Financial Instruments    
Short-term securities 3,882 3,483
Debt 7,123 7,715
Commercial paper 100 100
Fair Value [Member] | Level 1 [Member]
   
Financial Instruments    
Short-term securities 1,608 1,448
Fair Value [Member] | Level 2 [Member]
   
Financial Instruments    
Short-term securities 2,215 1,957
Debt 7,123 7,715
Commercial paper 100 100
Fair Value [Member] | Level 3 [Member]
   
Financial Instruments    
Short-term securities 59 78
Carrying Value [Member]
   
Financial Instruments    
Short-term securities 3,882 3,483
Debt 6,246 6,250
Commercial paper $ 100 $ 100