Operating Leases	12 Months Ended
Operating Leases	Dec. 31, 2014
Operating Leases
Operating Leases	17. Operating Leases Rent expense attributable to all warehouse, office buildings and equipment operating leases was $63 million in 2014, $57 million in 2013, and $76 million in 2012. Minimum future rentals under operating leases are as follows: 2015, $54 million; 2016, $46 million; 2017, $41 million; 2018, $36 million; 2019, $26 million; and 2020 and thereafter, $42 million.

The entire disclosure for lessee entity's leasing arrangements including, but not limited to, all of the following: (a.) The basis on which contingent rental payments are determined, (b.) The existence and terms of renewal or purchase options and escalation clauses, (c.) Restrictions imposed by lease agreements, such as those concerning dividends, additional debt, and further leasing.

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