Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents (Tables)

12 Months Ended

Sep. 30, 2020

Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]

Schedule of Cash and 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:

	September 30,
	2020		2019		2018
	(in millions)
Cash and cash equivalents	$	16,289	$	7,838	$	8,162
Restricted cash and restricted cash equivalents:
U.S. litigation escrow	901		1,205		1,491
Customer collateral	1,850		1,648		1,324
Prepaid expenses and other current assets	131		141		—
Cash, cash equivalents, restricted cash and restricted cash equivalents	$	19,171	$	10,832	$	10,977