Settlement Guarantee Management (Tables)

9 Months Ended

Jun. 30, 2012

Settlement Guarantee Management [Abstract]

Schedule of Customer Collateral

The Company maintained collateral as follows:

	June 30, 2012		September 30, 2011
	(in millions)
Cash equivalents	$	886	$	931
Pledged securities at market value	284		296
Letters of credit	966		902
Guarantees	1,996		1,845
Total	$	4,132	$	3,974