Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Operating Activities of Continuing Operations
Net income from continuing operations attributable to Johnson Controls	$ 159	$ 107
Income from continuing operations attributable to noncontrolling interests	32	29
Income from discontinued operations attributable to noncontrolling interests	0	15
Income from continuing operations	191	136
Adjustments to reconcile net income from continuing operations to cash provided by operating activities:
Depreciation and amortization	207	211
Pension and postretirement benefit income	(40)	(29)
Pension and postretirement contributions	(12)	(21)
Equity in earnings of partially-owned affiliates, net of dividends received	8	(36)
Deferred income taxes	(3)	43
Non-cash restructuring and impairment charges	54	0
Equity-based compensation	23	18
Other - net	(7)	10
Changes in assets and liabilities, excluding acquisitions and divestitures:
Accounts receivable	237	146
Inventories	(114)	(222)
Other assets	(92)	(63)
Restructuring reserves	33	(25)
Accounts payable and accrued liabilities	(498)	(226)
Accrued income taxes	524	(21)
Cash provided (used) by operating activities from continuing operations	511	(79)
Investing Activities of Continuing Operations
Capital expenditures	(126)	(153)
Sale of property, plant and equipment	1	2
Acquisition of businesses, net of cash acquired	(48)	(13)
Business divestitures, net of cash divested	0	6
Proceeds (payments) for equity swap	0	7
Changes in long-term investments	0	15
Cash used by investing activities from continuing operations	(173)	(136)
Financing Activities of Continuing Operations
Increase in short-term debt - net	10	1,014
Debt financing costs	(4)	0
Stock repurchases and retirements	(651)	(467)
Payment of cash dividends	(203)	(240)
Proceeds from the exercise of stock options	21	13
Employee equity-based compensation withholding taxes	(20)	(21)
Dividends paid to noncontrolling interests	(5)	(43)
Other - net	2	0
Cash provided (used) by financing activities from continuing operations	(850)	256
Cash Provided (Used) by Operating Activities, Discontinued Operations	(194)	193
Cash Used by Investing Activities, Discontinued Operations	0	(66)
Cash Used by Financing Activities, Discontinued Operations	0	(11)
Net Cash Provided (Used) by Discontinued Operations	(194)	116
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations	57	(43)
Change in cash held for sale	0	(2)
Increase (decrease) in Cash, Cash Equivalents and Restricted Cash	(649)	112
Cash, cash equivalents and restricted cash at beginning of period	2,821	200
Cash, cash equivalents and restricted cash at end of period	2,172	312
Less: Restricted Cash	12	20
Cash and cash equivalents at end of period	$ 2,160	$ 292

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