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OTHER OPERATING INCOME, NET
 12 Months Ended
Dec. 31, 2014
OTHER OPERATING INCOME, NET
OTHER OPERATING INCOME, NET
Other operating income, net:
•
includes both recurring and occasional income and expense items and
•
can fluctuate from year to year.
Various Income and Expense Items Included in Other Operating Income, Net
DOLLAR AMOUNTS IN MILLIONS
  
2014

2013

2012

Gain on postretirement plan amendment (Note 9)
$
(151
)
$
—

$
(103
)
Gain on disposition of non-strategic assets
(27
)
(19
)
(28
)
Foreign exchange (gains) losses, net
27

7

(6
)
Land management income
(34
)
(28
)
(27
)
Litigation expense, net
9

16

12

Other, net
(25
)
(11
)
(26
)
Total
$
(201
)
$
(35
)
$
(178
)

Gain on disposition of non-strategic assets in 2014 included a $22 million pretax gain on the sale of a landfill in Washington State.
Foreign exchange (gains) losses result from changes in exchange rates primarily related to our U.S. dollar denominated debt that is held by our Canadian subsidiary.
Land management income includes income from recreational activities, land permits, grazing rights, firewood sales and other miscellaneous income related to land management activities.