Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Sep. 30, 2018
Operating Activities
Net income (loss) attributable to Adient	$ (321)	$ 54	$ (487)	$ (330)
Income (loss) attributable to noncontrolling interests	13	19	64	64
Net income (loss)	(308)	73	(423)	(266)
Adjustments to reconcile net income (loss) to cash provided (used) by operating activities:
Depreciation	68	103	205	300
Amortization of intangibles			31	36
Pension and postretirement benefit expense (benefit)			9	(14)
Pension and postretirement contributions, net			(17)	8
Equity in earnings of partially-owned affiliates, net of dividends received (includes purchase accounting amortization of $0, and $16, respectively)			(11)	10
Deferred income taxes			304	242
Non-cash impairment charges			66	351
Equity-based compensation			16	43
Other			18	7
Changes in assets and liabilities:
Receivables			219	(57)
Inventories			39	(54)
Other assets			105	(50)
Restructuring reserves			(90)	(108)
Accounts payable and accrued liabilities			(185)	(46)
Accrued income taxes			20	(162)
Cash provided (used) by operating activities			306	240
Investing Activities
Capital expenditures	(98)	(138)	(350)	(404)
Sale of property, plant and equipment			65	5
Changes in long-term investments			3	(4)
Loans to affiliates			0	(11)
Other			4	0
Cash provided (used) by investing activities			(278)	(414)
Financing Activities
Increase (decrease) in short-term debt			1	(23)
Increase (decrease) in long-term debt			1,600	0
Repayment of long-term debt			(1,202)	(2)
Debt financing costs			(45)	0
Cash dividends			(26)	(77)
Dividends paid to noncontrolling interests			(53)	(57)
Formation of consolidated joint venture			28	0
Other			(3)	(3)
Cash provided (used) by financing activities			300	(162)
Effect of exchange rate changes on cash and cash equivalents			10	5
Increase (decrease) in cash and cash equivalents			338	(331)
Cash and cash equivalents at beginning of period			687	709	$ 709
Cash and cash equivalents at end of period	$ 1,025	$ 378	$ 1,025	$ 378	$ 687