Settlement Guarantee Management (Tables)

12 Months Ended

Sep. 30, 2020

Settlement Guarantee Management [Abstract]

Schedule of Customer Collateral

At September 30, 2020 and 2019, the Company held the following collateral to manage settlement exposure:

	September 30,
	2020		2019
	(in millions)
Restricted cash and restricted cash equivalents	$	1,850	$	1,648
Pledged securities at market value	228		259
Letters of credit	1,306		1,293
Guarantees	717		477
Total	$	4,101	$	3,677