Settlement Guarantee Management (Tables)

12 Months Ended

Sep. 30, 2013

Settlement Guarantee Management [Abstract]

Schedule of Customer Collateral

The Company maintained collateral as follows:

	September 30, 2013		September 30, 2012
	(in millions)
Cash equivalents	$	866	$	823
Pledged securities at market value	256		307
Letters of credit	1,191		1,084
Guarantees	1,411		2,022
Total	$	3,724	$	4,236