Settlement Guarantee Management (Tables)

12 Months Ended

Sep. 30, 2015

Settlement Guarantee Management [Abstract]

Schedule of Customer Collateral

The Company maintained collateral as follows:



	September 30, 2015				September 30, 2014
	(in millions)
Cash equivalents	$	1,023			$	961
Pledged securities at market value	154				148
Letters of credit	1,178				1,242
Guarantees	971				1,554
Total	$	3,326			$	3,905