Revenue

3 Months Ended

Dec. 31, 2021

Revenue from Contract with Customer [Abstract]

Revenue

Revenue

Disaggregation of revenue

In the following tables, revenue is disaggregated for each of our operating segments by primary geographical market for the three months ended December 31, 2021 and 2020 (in millions).

	Three Months Ended December 31, 2021
Primary Geographical Market	Commercial Truck		Aftermarket & Industrial		Total
U.S.	$	348	$	177	$	525
Canada	—		12		12
Mexico	43		6		49
Total North America	391		195		586
Sweden	76		—		76
Italy	54		4		58
United Kingdom	38		2		40
Other Europe	1		35		36
Total Europe	169		41		210
Brazil	89		—		89
China	26		—		26
India	44		—		44
Other Asia-Pacific	29		—		29
Total sales	$	748	$	236	$	984

	Three Months Ended December 31, 2020
Primary Geographical Market	Commercial Truck		Aftermarket & Industrial		Total
U.S.	$	310	$	170	$	480
Canada	—		12		12
Mexico	36		5		41
Total North America	346		187		533
Sweden	77		—		77
Italy	53		5		58
United Kingdom	41		2		43
Other Europe	2		35		37
Total Europe	173		42		215
Brazil	56		—		56
China	30		—		30
India	33		—		33
Other Asia-Pacific	22		—		22
Total sales	$	660	$	229	$	889

As of December 31, 2021 and September 30, 2021, Trade receivables, net, which are included in Receivables, trade and other, net, on the Condensed Consolidated Balance Sheet, were $493 million and $471 million, respectively.

For the three months ended December 31, 2021 and 2020, the company had no material bad-debt expense. There were no material contract assets, contract liabilities or deferred contract costs recorded on the Condensed Consolidated Balance Sheet as of December 31, 2021 and September 30, 2021.