Settlement Guarantee Management (Tables)

3 Months Ended

Dec. 31, 2018

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 December 31, 2018 and September 30, 2018, the Company held collateral as follows:

	December 31, 2018		September 30, 2018
	(in millions)
Cash equivalents	$	1,720	$	1,708
Pledged securities at market value	307		192
Letters of credit	1,346		1,382
Guarantees	952		860
Total	$	4,325	$	4,142