Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2017
Operating Activities
Net income (loss) attributable to Adient	$ (491)	$ (1,685)	$ 877
Income attributable to noncontrolling interests	83	84	85
Net income (loss)	(408)	(1,601)	962
Adjustments to reconcile net income (loss) to cash provided (used) by operating activities:
Depreciation	278	400	337
Amortization of intangibles	40	47	21
Pension and postretirement benefit expense (benefit)	53	(36)	(41)
Pension and postretirement contributions, net	(19)	11	(38)
Equity in earnings of partially-owned affiliates, net of dividends received (includes purchase accounting amortization of $4, $22 and $22, respectively)	(55)	(55)	(91)
Impairment of nonconsolidated partially owned affiliate	0	358	0
Gain on previously-held interest	0	0	(151)
Deferred income taxes	288	344	(52)
Non-cash restructuring and impairment charges	78	1,134	0
Equity-based compensation	20	47	45
Other	23	11	(6)
Changes in assets and liabilities:
Receivables	131	73	30
Inventories	8	(106)	(10)
Other assets	150	46	13
Restructuring reserves	(108)	(135)	(179)
Accounts payable and accrued liabilities	(191)	143	(113)
Accrued income taxes	20	(2)	19
Cash provided (used) by operating activities	308	679	746
Investing Activities
Capital expenditures	(468)	(536)	(577)
Sale of property, plant and equipment	68	53	44
Settlement of cross-currency interest rate swaps	10	0	0
Acquisition of businesses, net of cash acquired	0	0	(247)
Changes in long-term investments	3	(4)	(11)
Other	4	0	(4)
Cash provided (used) by investing activities	(383)	(487)	(795)
Financing Activities
Net transfers from (to) Parent prior to separation	0	0	606
Cash transferred from former Parent post separation	0	0	315
Increase (decrease) in short-term debt	17	(31)	(7)
Increase (decrease) in long-term debt	1,600	0	183
Repayment of long-term debt	(1,204)	(2)	(302)
Debt financing costs	(47)	0	0
Share repurchases	0	0	(40)
Cash dividends	(26)	(103)	(52)
Dividends paid to noncontrolling interests	(62)	(74)	(79)
Formation of consolidated joint venture	28	0	0
Other	(3)	(3)	3
Cash provided (used) by financing activities	303	(213)	627
Effect of exchange rate changes on cash and cash equivalents	9	(1)	26
Increase (decrease) in cash and cash equivalents	237	(22)	604
Cash and cash equivalents at beginning of period	687	709	105
Cash and cash equivalents at end of period	$ 924	$ 687	$ 709