XML 107 R63.htm IDEA: XBRL DOCUMENT v2.4.0.6
Financial Instruments (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended 12 Months Ended
Sep. 30, 2011
Jun. 30, 2010
Jun. 30, 2012
Jun. 15, 2012
Aug. 31, 2011
Jun. 30, 2011
Jun. 30, 2012
Fair Value, Inputs, Level 2
Jun. 30, 2011
Fair Value, Inputs, Level 2
Jun. 30, 2012
Minimum
Jun. 30, 2012
Maximum
Derivative Instruments and Hedging Activities Disclosure [Abstract]                    
Notional Amount, Pay-floating interest rate swaps     $ 363 $ 206 $ 640 $ 250        
Derivative, Cash Received on Hedge 34                  
Cross Currency Swap Settlement   43                
Schedule of Held-to-maturity Securities [Line Items]                    
Held-to-maturity Securities, Current             72 93    
Held-to-maturity Securities, Noncurrent               $ 49    
Held-to-maturity Securities Range                 1 month 6 months