Stock-Based Compensation (Tables)

12 Months Ended

Sep. 30, 2023

Share-Based Payment Arrangement [Abstract]

Schedule of Share-Based Payment Arrangement, Cost by Plan

Total compensation expense and income tax benefits for Emerson and AspenTech stock options and incentive shares follows.

	2021		2022	2023
Performance shares	$	203	89	165
Restricted stock and restricted stock units	21		23	24
AspenTech stock-based compensation plans	—		32	82
Total stock compensation expense	224		144	271
Less: discontinued operations	27		19	21
Stock compensation expense from continuing operations	$	197	125	250
Income tax benefits recognized	$	27	19	28

Schedule of Performance Share Payout Information

Information related to performance share payouts for the years ended September 30, 2022 and 2023 follows (shares in thousands):

	2022		2023
Performance period	2019 - 2021		2020 - 2022
Percent payout	101	%	106	%
Total shares earned	1,341		1,557
Shares distributed in cash, primarily for tax withholding	586		684

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, 2023 follow (shares in thousands; assumes 100 percent payout of unvested awards):

	Shares	Average Grant Date Fair Value Per Share
Beginning of year	5,280		$	77.58
Granted	1,263		$	87.33
Earned/vested	(1,814)		$	71.70
Canceled	(292)		$	89.49
End of year	4,437		$	82.02

Schedule of Supplemental Information for Incentive Awards

Information related to Emerson incentive shares plans follows:

	2021		2022	2023
Total fair value of shares earned/vested	$	131	158	158
Share awards distributed in cash, primarily for tax withholding	$	58	69	73

Schedule of Changes in Shares Subject to Option

Changes in shares subject to options during the year ended September 30, 2023 follow (shares in thousands):

	Weighted- Average Exercise Price Per Share			Shares	Total Intrinsic Value of Shares			Average Remaining Life (Years)
Beginning of year		$	58.10	1,692
Options exercised		$	60.66	(1,099)
Options canceled		$	53.05	(4)
End of year		$	53.35	589		$	26		2.1
Exercisable at end of year		$	53.35	589		$	26		2.1

A summary of AspenTech stock option activity in 2023 is as follows (shares in thousands):

	Weighted- Average Exercise Price Per Share			Shares	Total Intrinsic Value of Shares			Average Remaining Contractual Term (Years)
Beginning of year		$	131.26	1,256
Granted		$	196.04	47
Exercised		$	93.04	(302)
Canceled / Forfeited		$	179.87	(27)
End of year		$	161.26	974		$	59		6.3
Exercisable at end of year		$	128.61	667		$	51		5.3
Vested and expected to vest at September 30, 2023		$	143.96	957		$	59		6.3

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

Information related to Emerson stock options follows:

	2021		2022	2023
Cash received for option exercises	$	114	15	49
Intrinsic value of options exercised	$	53	11	27
Tax benefits related to option exercises	$	6	7	4

Share-Based Payment Arrangement, Restricted Stock Unit, Activity

A summary of AspenTech restricted stock unit and performance stock unit activity in 2023 is as follows (shares in thousands):

	Weighted- Average Grant Date Fair Value			Shares
Beginning of year		$	190.44	589
Granted		$	192.51	367
Settled		$	193.23	(268)
Canceled / Forfeited		$	195.48	(35)
End of year		$	193.17	653
Vested and expected to vest at September 30, 2023		$	193.24	566