Revenue Recognition (Tables)

6 Months Ended

Mar. 31, 2020

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 six months ended March 31, 2020 and 2019 (in millions):

	Three Months Ended March 31, 2020						Three Months Ended March 31, 2019
	Products & Systems		Services		Total		Products & Systems		Services		Total
Building Solutions North America	$	1,357	$	818	$	2,175	$	1,387	$	800	$	2,187
Building Solutions EMEA/LA	400		450		850		416		462		878
Building Solutions Asia Pacific	271		254		525		351		277		628
Global Products	1,894		—		1,894		2,086		—		2,086
Total	$	3,922	$	1,522	$	5,444	$	4,240	$	1,539	$	5,779

	Six Months Ended March 31, 2020						Six Months Ended March 31, 2019
	Products & Systems		Services		Total		Products & Systems		Services		Total
Building Solutions North America	$	2,713	$	1,629	$	4,342	$	2,708	$	1,595	$	4,303
Building Solutions EMEA/LA	857		921		1,778		833		952		1,785
Building Solutions Asia Pacific	642		512		1,154		707		534		1,241
Global Products	3,746		—		3,746		3,914		—		3,914
Total	$	7,958	$	3,062	$	11,020	$	8,162	$	3,081	$	11,243

The following table presents further disaggregation of Global Products segment revenues by product type for the three and six months ended March 31, 2020 and 2019 (in millions):

	Three Months Ended March 31,				Six Months Ended March 31,
	2020		2019		2020		2019
Building management systems	$	316	$	320	$	616	$	601
HVAC & refrigeration equipment	1,307		1,474		2,592		2,759
Specialty products	271		292		538		554
Total	$	1,894	$	2,086	$	3,746	$	3,914

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	March 31, 2020			September 30, 2019
Contract assets - current	Accounts receivable - net	$	1,422		$	1,389
Contract assets - noncurrent	Other noncurrent assets	95			90
Contract liabilities - current	Deferred revenue	(1,600		)	(1,407		)
Contract liabilities - noncurrent	Other noncurrent liabilities	(119		)	(117		)
Total		$	(202	)	$	(45	)