.s . defined benefit pension plans in 2013 . contributions were made to our non-u.s . defined benefit pension plans of $ 81 million , $ 71 million and $ 87 million for 2012 , 2011 and 2010 , respectively , some of which were required by local funding requirements . we expect to make mandatory contributions to our non-u.s . plans in 2013 in the range of approximately $ 75 million to $ 100 million