PROPERTY (Tables)

12 Months Ended

Dec. 31, 2011

Property on the consolidated balance sheets includes the following (in millions):


	As of December 31, 2011
($ in millions)	Cost		Accumulated Depreciation			Net Book Value
Vessels	$	1,232	$	(641	)	$	591
Machinery and equipment		675		(444	)		231
Buildings		564		(95	)		469
Land		248		-			248
Water, power and sewer systems		121		(87	)		34
Other property improvements		122		(61	)		61
Total	$	2,962	$	(1,328	)	$	1,634


	As of December 31, 2010
($ in millions)	Cost		Accumulated Depreciation			Net Book Value
Vessels	$	1,220	$	(600	)	$	620
Machinery and equipment		661		(425	)		236
Buildings		557		(86	)		471
Land		236		-			236
Water, power and sewer systems		119		(84	)		35
Other property improvements		108		(55	)		53
Total	$	2,901	$	(1,250	)	$	1,651

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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