Settlement Guarantee Management (Tables)

6 Months Ended

Mar. 31, 2021

Settlement Guarantee Management [Abstract]

Schedule of Customer Collateral

The Company maintains and regularly reviews global settlement risk policies and procedures to manage settlement exposure, which may require clients to post collateral if certain credit standards are not met. At March 31, 2021 and September 30, 2020, the Company held the following collateral to manage settlement exposure:

	March 31, 2021		September 30, 2020
	(in millions)
Restricted cash and restricted cash equivalents	$	2,057	$	1,850
Pledged securities at market value	279		228
Letters of credit	1,334		1,306
Guarantees	635		717
Total	$	4,305	$	4,101