Overview	9 Months Ended
Sep. 30, 2022
Accounting Policies [Abstract]
Overview	NOTE A. OVERVIEW Overview Allison Transmission Holdings, Inc. and its subsidiaries (“Allison” or the “Company”) design and manufacture vehicle propulsion solutions, including commercial-duty on-highway, off-highway and defense fully automatic transmissions and electric hybrid and fully electric systems. The business was founded in 1915 and has been headquartered in Indianapolis, Indiana since inception. Allison is traded on the New York Stock Exchange under the symbol, “ALSN”. Although approximately 76% of revenues were generated in North America in 2021, the Company has a global presence by serving customers in Asia, Europe, South America and Africa. The Company serves customers through an independent network of approximately 1,400 independent distributor and dealer locations worldwide. Global markets continue to experience supply chain, labor, energy and raw material constraints as a result of global economic volatility, the war in Ukraine and the COVID-19 pandemic, that impact the Company's business. As a result, during the three and nine months ended September 30, 2022 the Company experienced raw material and component part price inflation, increased freight and logistics costs, increased labor costs, production constraints due to labor shortages and increased foreign exchange volatility. In addition, despite increased customer demand, the Company's net sales for the three and nine months ended September 30, 2022 were negatively impacted as a result of its customers’ inability to secure components from the broader commercial vehicle supply base which resulted in reduced commercial vehicle build schedules. The Company expects that commercial vehicle build schedules will continue to be negatively impacted by the availability of components throughout the remainder of 2022. To limit the spread of variants and sub-variants of COVID-19, governments have taken, and may in the future take, various actions that have impacted, and may in the future impact, the Company's employees, operations, customers and supply base, including the administration or mandate of vaccinations, travel bans and restrictions, quarantines, curfews, stay-at-home orders, social distancing guidelines and business shutdowns and closures.

Overview

9 Months Ended

Sep. 30, 2022

NOTE A. OVERVIEW

Overview

Allison Transmission Holdings, Inc. and its subsidiaries (“Allison” or the “Company”) design and manufacture vehicle propulsion solutions, including commercial-duty on-highway, off-highway and defense fully automatic transmissions and electric hybrid and fully electric systems. The business was founded in 1915 and has been headquartered in Indianapolis, Indiana since inception. Allison is traded on the New York Stock Exchange under the symbol, “ALSN”.

Although approximately 76% of revenues were generated in North America in 2021, the Company has a global presence by serving customers in Asia, Europe, South America and Africa. The Company serves customers through an independent network of approximately 1,400 independent distributor and dealer locations worldwide.

Global markets continue to experience supply chain, labor, energy and raw material constraints as a result of global economic volatility, the war in Ukraine and the COVID-19 pandemic, that impact the Company's business. As a result, during the three and nine months ended September 30, 2022 the Company experienced raw material and component part price inflation, increased freight and logistics costs, increased labor costs, production constraints due to labor shortages and increased foreign exchange volatility. In addition, despite increased customer demand, the Company's net sales for the three and nine months ended September 30, 2022 were negatively impacted as a result of its customers’ inability to secure components from the broader commercial vehicle supply base which resulted in reduced commercial vehicle build schedules. The Company expects that commercial vehicle build schedules will continue to be negatively impacted by the availability of components throughout the remainder of 2022.

To limit the spread of variants and sub-variants of COVID-19, governments have taken, and may in the future take, various actions that have impacted, and may in the future impact, the Company's employees, operations, customers and supply base, including the administration or mandate of vaccinations, travel bans and restrictions, quarantines, curfews, stay-at-home orders, social distancing guidelines and business shutdowns and closures.