Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Details)

v2.4.0.8
Segment Information (Details) (USD $)
In Millions, unless otherwise specified
9 Months Ended
Jun. 30, 2013
Sep. 30, 2012
Notes to Financial Statements [Abstract]    
Number of divisions aggregated into the QWI segment 4  
Number of divisions aggregated into the QSI segment 2  
Revenues, EBT, and Assets for reportable segments [Line Items]    
QMT assets included in reconciling items $ 878 $ 1,100