Restructuring expense reflects costs associated with the Company’s ongoing efforts to improve operational efficiency and deploy assets globally in order to remain competitive on a worldwide basis. The Company expects full year 2018 restructuring expense to be approximately $85. The full year expense includes $15 incurred to date, as well as costs to complete actions initiated before the end of the first quarter and actions anticipated to be approved and initiated during the remainder of the year. Costs for the three months ended December 31, 2017 largely relate to restructuring of the global cost structure consistent with the current level of economic activity, as well as the redeployment of resources for future growth.

Restructuring expense by business segment follows:



	Three Months Ended December 31,
	2016			2017

Automation Solutions		$	6		10

Climate Technologies		4			5
Tools & Home Products		1			—
Commercial & Residential Solutions		5			5

Total		$	11		15

Details of the change in the liability for restructuring costs during the three months ended December 31, 2017 follow:



	Sept 30, 2017			Expense		Utilized/Paid		Dec 31, 2017

Severance and benefits		$	60		10		14		56
Lease and other contract terminations		4			2		1		5
Vacant facility and other shutdown costs		1			1		1		1
Start-up and moving costs		—			2		2		—
Total		$	65		15		18		62