4. Other Income

Other income includes non-operating items, such as: gains from insurance recoveries; discounts/premiums paid on the repurchase and retirement of bonds; royalty income; and the changes in fair value, premiums paid, realized gains associated with foreign currency option contracts and property sales. Other income was $9 million in 2014, $4 million in 2013, and $2 million in 2012.

For 2014, other income includes a $4 million gain on a sale of property, $2 million of royalty income, $2 million of realized gain associated with foreign currency option contracts and $1 million of lease termination gains related to the sales of leasehold interests. For 2013, other income includes $2 million of royalty income and $2 million of lease termination gains related to the sales of leasehold interests. For 2012, other income primarily includes royalty income.