Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Stock-Based Compensation Allocated To Selling, General And Administrative Expenses) (Details)

v2.4.0.8
Stock-Based Compensation (Stock-Based Compensation Allocated To Selling, General And Administrative Expenses) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Stock-based compensation allocated to selling, general, and administrative $ 42 $ 42
Operating Expense
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Stock-based compensation allocated to selling, general, and administrative 7 8
Selling, General and Administrative Expenses
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Stock-based compensation allocated to selling, general, and administrative $ 35 $ 34