Equity and Noncontrolling Interests (Tables)

12 Months Ended

Sep. 30, 2021

Stockholders' Equity Note [Abstract]

Equity Attributable to Johnson Controls plc and Noncontrolling Interests

The following schedules present changes in consolidated equity attributable to Johnson Controls and noncontrolling interests (in millions, net of tax):

	Equity Attributable to Johnson Controls International plc		Equity Attributable to Noncontrolling Interests		Total Equity
At September 30, 2018	$	21,164	$	1,294	22,458
Total comprehensive income (loss):
Net income	5,674		213		5,887
Foreign currency translation adjustments	(325)		(17)		(342)
Realized and unrealized gains (losses) on derivatives	7		(1)		6
Pension and postretirement plans	(6)		—		(6)
Other comprehensive loss	(324)		(18)		(342)
Comprehensive income	5,350		195		5,545
Other changes in equity:
Cash dividends - ordinary shares ($1.04 per share)	(887)		—		(887)
Dividends attributable to noncontrolling interests	—		(132)		(132)
Repurchases and retirements of ordinary shares	(5,983)		—		(5,983)
Divestiture of Power Solutions	483		(295)		188
Adoption of ASC 606	(45)		—		(45)
Adoption of ASU 2016-16	(546)		—		(546)
Other, including options exercised	230		1		231
At September 30, 2019	19,766		1,063		20,829
Total comprehensive income:
Net income	631		164		795
Foreign currency translation adjustments	7		18		25
Realized and unrealized gains on derivatives	4		4		8
Pension and postretirement plans	8		—		8
Other comprehensive income	19		22		41
Comprehensive income	650		186		836
Other changes in equity:
Cash dividends - ordinary shares ($1.04 per share)	(780)		—		(780)
Dividends attributable to noncontrolling interests	—		(114)		(114)
Repurchases and retirements of ordinary shares	(2,204)		—		(2,204)
Change in noncontrolling interest share	(83)		(49)		(132)
Adoption of ASC 842	(5)		—		(5)
Other, including options exercised	103		—		103
At September 30, 2020	17,447		1,086		18,533
Total comprehensive income (loss):
Net income	1,637		233		1,870
Foreign currency translation adjustments	357		19		376
Realized and unrealized gains (losses) on derivatives	(19)		1		(18)
Pension and postretirement plans	4		—		4
Other comprehensive income	342		20		362
Comprehensive income	1,979		253		2,232
Other changes in equity:
Cash dividends - ordinary shares ($1.07 per share)	(771)		—		(771)
Dividends attributable to noncontrolling interests	—		(142)		(142)
Repurchases and retirements of ordinary shares	(1,307)		—		(1,307)
Change in noncontrolling interest share	(8)		(6)		(14)
Adoption of ASU 2016-13	(4)		—		(4)
Other, including options exercised	226		—		226
At September 30, 2021	$	17,562	$	1,191	$	18,753

Changes in Redeemable Noncontrolling Interests

Changes in Accumulated Other Comprehensive Income, net of tax

The following schedules present changes in AOCI attributable to Johnson Controls (in millions, net of tax):

	Year Ended September 30,
	2021		2020		2019
Foreign currency translation adjustments
Balance at beginning of period	$	(778)	$	(785)	$	(939)
Divestiture of Power Solutions	—		—		479
Aggregate adjustment for the period (net of tax effect of $0, $1 and $0)	357		7		(325)
Balance at end of period	(421)		(778)		(785)
Realized and unrealized gains (losses) on derivatives
Balance at beginning of period	2		(2)		(13)
Divestiture of Power Solutions (net of tax effect of $0, $0 and $1)	—		—		4
Current period changes in fair value (net of tax effect of $5, $1 and $(1))	(8)		3		(1)
Reclassification to income (net of tax effect of $(3), $0 and $2) (1)	(11)		1		8
Balance at end of period	(17)		2		(2)
Realized and unrealized gains (losses) on marketable securities
Balance at beginning of period	—		—		8
Adoption of ASU 2016-01 (2)	—		—		(8)
Balance at end of period	—		—		—
Pension and postretirement plans
Balance at beginning of period	—		(8)		(2)
Reclassification to income (net of tax effect of $0, $(1) and $0)	(3)		(1)		—
Other changes (net of tax effect of $(1), $4 and $0)	7		9		(6)
Balance at end of period	4		—		(8)
Accumulated other comprehensive loss, end of period	$	(434)	$	(776)	$	(795)

(1) Refer to Note 11, "Derivative Instruments and Hedging Activities," of the notes to consolidated financial statements for disclosure of the line items in the consolidated statements of income affected by reclassifications from AOCI into income related to derivatives.

(2) The Company adopted ASU 2016-01, "Financial Instruments - Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities" effective October 1, 2018 and, as a result, reclassified $8 million of unrealized gains on marketable securities to retained earnings.