Consolidated Statements of Financial Position $ in Millions	Jun. 30, 2022 USD ($) $ / shares	Jun. 30, 2022 € / shares	Sep. 30, 2021 USD ($) $ / shares	Sep. 30, 2021 € / shares
Assets
Cash and cash equivalents	$ 1,506		$ 1,336
Accounts receivable - net	5,850		5,613
Inventories	2,574		2,057
Current assets held for sale	394		0
Other current assets	1,235		992
Current assets	11,559		9,998
Property, plant and equipment - net	2,962		3,228
Goodwill	17,725		18,335
Other intangible assets - net	4,764		5,549
Investments in partially-owned affiliates	1,070		1,066
Noncurrent assets held for sale	892		156
Other noncurrent assets	3,352		3,558
Total assets	42,324		41,890
Liabilities and Equity
Short-term debt	2,081		8
Current portion of long-term debt	217		226
Accounts payable	4,125		3,746
Accrued compensation and benefits	874		1,008
Deferred revenue	1,846		1,637
Disposal Group, Including Discontinued Operation, Liabilities, Current	261		0
Other current liabilities	2,479		2,473
Current liabilities	11,883		9,098
Long-term debt	7,194		7,506
Pension and postretirement benefits	532		628
Noncurrent liabilities held for sale	49		0
Other noncurrent liabilities	5,523		5,905
Long-term liabilities	13,298		14,039
Commitments and contingencies (Note 22)
Ordinary shares, $0.01 par value	7		7
Ordinary A shares, €1.00 par value	0		0
Preferred shares, $0.01 par value	0		0
Ordinary shares held in treasury, at cost	(1,201)		(1,152)
Capital in excess of par value	17,199		17,116
Retained earnings	645		2,025
Accumulated other comprehensive loss	(662)		(434)
Shareholders' equity attributable to Johnson Controls	15,988		17,562
Noncontrolling interests	1,155		1,191
Total equity	17,143		18,753
Total liabilities and equity	$ 42,324		$ 41,890
Ordinary shares, par value | $ / shares	$ 0.01		$ 0.01
Preferred shares, par value | $ / shares	$ 0.01		$ 0.01
Common Class A [Member]
Ordinary shares, par value | € / shares		€ 1.00		€ 1.00