Stock-Based Compensation (Tables)

12 Months Ended

Sep. 30, 2021

Share-based Payment Arrangement, Noncash Expense [Abstract]

Schedule of Share-based Payment Arrangement, Cost by Plan

Total compensation expense and income tax benefits for stock options and incentive shares follows. The Company's performance shares awards are marked-to-market each period based on changes in the stock price.

	2019		2020	2021
Performance shares	$	96	98	203
Restricted stock and restricted stock units	21		11	21
Stock options	3		1	—
Total stock compensation expense	$	120	110	224
Income tax benefits recognized	$	20	18	27

Schedule of Performance Share Payout Information

Information related to performance share payouts for the years ended September 30, 2020 and 2021 follows (shares in thousands):

	2020		2021
Performance period	2017 - 2019		2018 - 2020
Percent payout	107	%	100	%
Total shares earned	2,008		1,535
Shares distributed in cash, primarily for tax withholding	883		672

Schedule Of Changes In Incentive Awards Outstanding

Changes in shares outstanding but not yet earned under incentive shares plans during the year ended September 30, 2021 follow (shares in thousands; assumes 100 percent payout of unvested awards):

	Shares	Average Grant Date Fair Value Per Share
Beginning of year	5,916		$	67.22
Granted	2,095		$	71.75
Earned/vested	(1,867)		$	63.28
Canceled	(503)		$	67.54
End of year	5,641		$	70.22

Schedule of Supplemental Information For Incentive Awards

Information related to incentive shares plans follows:

	2019		2020	2021
Total fair value of shares earned/vested	$	145	164	131
Share awards distributed in cash, primarily for tax withholding	$	73	81	58

Schedule Of Changes In Shares Subject To Option

Changes in shares subject to options during the year ended September 30, 2021 follow (shares in thousands):

	Weighted- Average Exercise Price Per Share			Shares	Total Intrinsic Value of Shares			Average Remaining Life (Years)
Beginning of year		$	58.42	4,133
Options granted		$	—	—
Options exercised		$	58.85	(2,071)
Options canceled		$	61.19	(45)
End of year		$	57.96	2,017		$	75		3.1
Exercisable at end of year		$	57.96	2,017		$	75		3.1

Schedule of Cash Proceeds Received and Tax Benefit from Share-based Payment Awards, Options

Information related to stock options follows:

	2019		2020	2021
Cash received for option exercises	$	40	126	114
Intrinsic value of options exercised	$	16	47	53
Tax benefits related to option exercises	$	8	8	6