. the company recorded a liability for interest and penalties of $ 77 million , $ 55 million , and $ 48 million as of december 31 , 2018 , 2017 , and 2016 , respectively . the company and its subsidiaries file income tax returns in their respective jurisdictions . the company has substantially concluded all u.s . federal income tax matters for years through 2007 . material u.s . state and local income tax jurisdiction examinations have been concluded for years through 2005