. gain on sale of businesses : in january 2007 , 3m completed the sale of its global branded pharmaceuticals business in europe to meda ab . 3m received proceeds of $ 817 million for this transaction and recognized , net of assets sold , a pre-tax gain of $ 781 million in 2007 ( recorded in the health care segment ) . in june 2007 , 3m completed the sale of its opticom priority control systems and canoga traffic detection businesses to torquest partners inc. , a toronto-based investment firm