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Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
 6 Months Ended
Mar. 31, 2025
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents [Abstract]  
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Note 4—Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
The Company reconciles cash, cash equivalents, restricted cash and restricted cash equivalents reported on the consolidated balance sheets that aggregate to the beginning and ending balances shown in the consolidated statements of cash flows as follows:
March 31,
2025		September 30,
2024
(in millions)
Cash and cash equivalents$11,734 $11,975 
Restricted cash and restricted cash equivalents:
U.S. litigation escrow2,926 3,089 
Customer collateral3,543 3,524 
Prepaid expenses and other current assets 933 1,175 
Cash, cash equivalents, restricted cash and restricted cash equivalents
$19,136 $19,763