Summary of Significant Accounting Policies (Tables)

9 Months Ended

Jun. 30, 2021

Accounting Policies [Abstract]

Restrictions on Cash and Cash Equivalents

The following table provides a reconciliation of the total cash, cash equivalents and restricted cash reported on the Condensed Consolidated Balance Sheets to the corresponding amounts reported on the Condensed Consolidated Statements of Cash Flows.

	June 30, 2021		June 30, 2020		September 30, 2020		September 30, 2019
Cash and cash equivalents	$	545	$	487	$	336	$	447
Restricted cash	31		45		21		64
Cash, cash equivalents and restricted cash	$	576	$	532	$	357	$	511

Schedule of Cash and Cash Equivalents

The following table provides a reconciliation of the total cash, cash equivalents and restricted cash reported on the Condensed Consolidated Balance Sheets to the corresponding amounts reported on the Condensed Consolidated Statements of Cash Flows.

	June 30, 2021		June 30, 2020		September 30, 2020		September 30, 2019
Cash and cash equivalents	$	545	$	487	$	336	$	447
Restricted cash	31		45		21		64
Cash, cash equivalents and restricted cash	$	576	$	532	$	357	$	511

Shares Used in Computing Basic and Diluted Earnings Per Share

Shares used in computing basic and diluted earnings per share are as follows: 

	Three Months Ended June 30,		Nine Months Ended June 30,
	2021	2020	2021	2020
Denominator (thousands of shares):
Weighted-average common shares outstanding — basic	209,099	208,598	208,934	208,989
Incremental shares issuable for stock options and awards	1,752	377	1,260	1,020
Weighted-average common shares outstanding — diluted	210,851	208,975	210,194	210,009