Revenue Recognition (Tables)

9 Months Ended

Jun. 30, 2021

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue [Table Text Block]

The following tables present the Company's revenues disaggregated by segment and by products and systems versus services revenue for the three and nine months ended June 30, 2021 and 2020 (in millions):

	Three Months Ended June 30, 2021						Three Months Ended June 30, 2020
	Products & Systems		Services		Total		Products & Systems		Services		Total
Building Solutions North America	$	1,355	$	857	$	2,212	$	1,250	$	770	$	2,020
Building Solutions EMEA/LA	468		494		962		346		410		756
Building Solutions Asia Pacific	422		290		712		344		244		588
Global Products	2,455		—		2,455		1,979		—		1,979
Total	$	4,700	$	1,641	$	6,341	$	3,919	$	1,424	$	5,343

	Nine Months Ended June 30, 2021						Nine Months Ended June 30, 2020
	Products & Systems		Services		Total		Products & Systems		Services		Total
Building Solutions North America	$	3,869	$	2,469	$	6,338	$	3,963	$	2,399	$	6,362
Building Solutions EMEA/LA	1,323		1,442		2,765		1,203		1,331		2,534
Building Solutions Asia Pacific	1,096		834		1,930		986		756		1,742
Global Products	6,243		—		6,243		5,725		—		5,725
Total	$	12,531	$	4,745	$	17,276	$	11,877	$	4,486	$	16,363

The following table presents further disaggregation of Global Products segment revenues by product type for the three and nine months ended June 30, 2021 and 2020 (in millions):

	Three Months Ended June 30,				Nine Months Ended June 30,
	2021		2020		2021		2020
HVAC	$	1,811	$	1,503	$	4,462	$	4,127
Fire & Security	580		422		1,605		1,425
Industrial Refrigeration	64		54		176		173
Total	$	2,455	$	1,979	$	6,243	$	5,725

Contract with Customer, Asset and Liability [Table Text Block]

The following table presents the location and amount of contract balances in the Company's consolidated statements of financial position (in millions):

	Location of contract balances	June 30, 2021		September 30, 2020
Contract assets - current	Accounts receivable - net	$	1,553	$	1,395
Contract assets - noncurrent	Other noncurrent assets	95		104
Contract liabilities - current	Deferred revenue	(1,649)		(1,435)
Contract liabilities - noncurrent	Other noncurrent liabilities	(263)		(245)
Total		$	(264)	$	(181)