Note 11. Stock Based Compensation (Tables)

12 Months Ended

Sep. 30, 2017

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Share-based Compensation, Performance Shares Award Outstanding Activity [Table Text Block]

A summary of the status of Adient's nonvested PSUs at September 30, 2017, and changes for the fiscal year then ended, for Adient employees is presented below:

	Weighted Average Price		Shares/Units Subject to PSU
Nonvested, September 30, 2016	$	—	—
Converted and nonvested on October 31, 2016	—		—
Granted	44.60		236,034
Vested	—		—
Forfeited	—		—
Nonvested, September 30, 2017	$	44.60	236,034

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

A summary of the status of nonvested restricted stock awards at September 30, 2017, and changes for the fiscal year then ended, for Adient employees is presented below:

	Weighted Average Price		Shares/Units Subject to Restriction
Nonvested, September 30, 2016	$	46.42	1,320,448
Converted	48.06		135,026
Converted and nonvested on October 31, 2016	46.57		1,455,474
Granted	45.19		1,162,213
Vested	50.29		(281,539	)
Forfeited	44.08		(83,710	)
Nonvested, September 30, 2017	$	45.49	2,252,438
Former Parent nonvested, September 30, 2017	$	45.57	1,010,967
Adient nonvested, September 30, 2017	45.42		1,241,471
Total nonvested, September 30, 2017	$	45.49	2,252,438

Schedule of Share-based Compensation, Stock Options and Stock Appreciation Rights Award Activity [Table Text Block]

A summary of SAR activity at September 30, 2017, and changes for the year then ended, is presented below:

	Weighted Average SAR Price		Shares Subject to SAR		Weighted Average Remaining Contractual Life (years)	Aggregate Intrinsic Value (in  millions)
Outstanding, September 30, 2016	$	31.26	654,694
Exercised	29.68		(9,470	)
Converted	33.16		41,713
Converted and outstanding on October 31, 2016	31.40		686,937
Granted	—		—
Exercised	32.35		(131,470	)
Forfeited or expired	45.95		(6,309	)
Outstanding, September 30, 2017	$	28.12	549,158		3.8	$	9
Exercisable, September 30, 2017	$	27.10	511,854		3.6	$	9
Former Parent outstanding, September 30, 2017	$	27.79	495,754		3.8	$	6
Adient outstanding, September 30, 2017	31.19		53,404		3.8	3
Total outstanding, September 30, 2017	$	28.12	549,158		3.8	$	9
Former Parent exercisable, September 30, 2017	$	26.78	461,841		3.6	$	6
Adient exercisable, September 30, 2017	30.12		50,013		3.5	3
Total exercisable, September 30, 2017	$	27.10	511,854		3.6	$	9

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

A summary of stock option activity at September 30, 2017, and changes for the year then ended, is presented below:

	Weighted Average Option Price		Shares Subject to Option		Weighted Average Remaining Contractual Life (years)	Aggregate Intrinsic Value (in millions)
Outstanding, September 30, 2016	$	32.42	2,336,028
Exercised	27.22		(6,280	)
Forfeited or expired	31.71		(3,330	)
Converted	33.28		169,125
Converted and outstanding on October 31, 2016	32.49		2,495,543
Granted	—		—
Exercised	27.58		(1,070,284	)
Forfeited or expired	26.32		(3,126	)
Outstanding, September 30, 2017	$	32.04	1,422,133		4.7	$	22
Exercisable, September 30, 2017	$	29.58	1,151,192		4.0	$	21
Former Parent outstanding, September 30, 2017	$	31.83	1,221,817		4.8	$	12
Adient outstanding, September 30, 2017	33.32		200,316		4.1	10
Total outstanding, September 30, 2017	$	32.04	1,422,133		4.7	$	22
Former Parent exercisable, September 30, 2017	$	29.26	975,505		4.1	$	12
Adient exercisable, September 30, 2017	31.34		175,687		3.6	9
Total exercisable, September 30, 2017	$	29.58	1,151,192		4.0	$	21