Summary of Significant Accounting Policies (Tables)

3 Months Ended

Dec. 31, 2020

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.

	December 31, 2020		December 31, 2019		September 30, 2020		September 30, 2019
Cash and cash equivalents	$	416	$	333	$	336	$	447
Restricted cash	30		96		21		64
Cash, cash equivalents and restricted cash	$	446	$	429	$	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.

	December 31, 2020		December 31, 2019		September 30, 2020		September 30, 2019
Cash and cash equivalents	$	416	$	333	$	336	$	447
Restricted cash	30		96		21		64
Cash, cash equivalents and restricted cash	$	446	$	429	$	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 December 31,
	2020	2019
Denominator (thousands of shares):
Weighted-average common shares outstanding — basic	208,774	209,439
Incremental shares issuable for stock options and awards (a)	866	1,819
Weighted-average common shares outstanding — diluted	209,640	211,258

(a)For the three months ended December 31, 2020 and 2019, there were 6,000 and 3,499 shares, respectively, associated with outstanding stock option awards that were excluded from the computation of diluted earnings per share above because their effect was antidilutive.