v3.23.3
Settlement Guarantee Management (Tables)
 12 Months Ended
Sep. 30, 2023
Settlement Guarantee Management [Abstract]  
Schedule of Customer Collateral The Company held the following collateral to manage settlement exposure:
September 30,
20232022
 (in millions)
Restricted cash
$3,005 $2,342 
Pledged securities
411 213 
Letters of credit1,738 1,582 
Guarantees1,047 950 
Total$6,201 $5,087