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Financing Arrangements Financing Arrangements (Details) (USD $)
In Millions, unless otherwise specified
Feb. 25, 2014
Debt Issued Due 2017
 
Debt Instrument [Line Items]  
Debt Instrument, Face Amount $ 250
Debt Instrument, Interest Rate, Stated Percentage 1.35%
Repurchase of Notes, Purchase Price Percentage of Principle Amount 101.00%
Debt Issued Due 2019
 
Debt Instrument [Line Items]  
Debt Instrument, Face Amount 250
Debt Instrument, Interest Rate, Stated Percentage 2.40%
Repurchase of Notes, Purchase Price Percentage of Principle Amount 101.00%
Debt Issued Due 2024
 
Debt Instrument [Line Items]  
Debt Instrument, Face Amount $ 300
Debt Instrument, Interest Rate, Stated Percentage 4.00%
Repurchase of Notes, Purchase Price Percentage of Principle Amount 101.00%