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Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents (Tables)
9 Months Ended
Jun. 30, 2020
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]  
Schedule of Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
The Company reconciles cash, cash equivalents, restricted cash and restricted cash equivalents reported in the consolidated balance sheets that aggregate to the beginning and ending balances shown in the consolidated statements of cash flows as follows:
June 30,
2020
September 30,
2019
(in millions)
Cash and cash equivalents$13,898  $7,838  
Restricted cash and restricted cash equivalents:
U.S. litigation escrow1,148  1,205  
Customer collateral1,759  1,648  
Prepaid expenses and other current assets 129  141  
Cash, cash equivalents, restricted cash and restricted cash equivalents
$16,934  $10,832