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Financing Arrangements Financing Arrangements (Details) (USD $)
In Millions, unless otherwise specified
May 01, 2014
Debt Matured May 1, 2014
Feb. 25, 2014
Debt Issued Due 2017
Feb. 25, 2014
Debt Issued Due 2019
Feb. 25, 2014
Debt Issued Due 2024
Debt Instrument [Line Items]        
Debt Instrument, Face Amount $ 500 $ 250 $ 250 $ 300
Debt Instrument, Interest Rate, Stated Percentage 8.60% 1.35% 2.40% 4.00%
Repurchase of Notes, Purchase Price Percentage of Principle Amount   101.00% 101.00% 101.00%