. a loss of $ 64 million ( net of a tax benefit of $ 38 million ) , a gain of $ 14 million ( net of tax of $ 8 million ) , and a gain of $ 19 million ( net of tax of $ 11 million ) were recognized in other comprehensive income for 2017 , 2016 and 2015 , respectively . no hedge ineffectiveness was recognized during 2017 , 2016 , and 2015 . 2024 notes . in march 2014 , the company issued $ 1.0 billion in aggregate principal amount of 3.50% ( 3