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

12 Months Ended

Sep. 30, 2019

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,
	2019		2018		2017
	(in millions)
Cash and cash equivalents	$	7,838	$	8,162	$	9,874
Restricted cash and restricted cash equivalents:
U.S. litigation escrow	1,205		1,491		1,031
Customer collateral	1,648		1,324		1,106
Prepaid expenses and other current assets	141		—		—
Cash, cash equivalents, restricted cash and restricted cash equivalents	$	10,832	$	10,977	$	12,011