Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2011

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

December 31	2011		2010
(In millions)
Pipeline equipment (net of accumulated DD&A of $926 and $724)	$	6,749	$	6,358
Offshore drilling equipment (net of accumulated DD&A of $3,378 and $2,986)		4,119		4,242
Natural gas and oil proved and unproved properties (net of accumulated DD&A of $2,056 and $1,991)		1,330		1,099
Other (net of accumulated DD&A of $899 and $963)		799		822
Construction in process		621		115
Property, plant and equipment, net	$	13,618	$	12,636

DD&A Expense And Capital Expenditures

Year Ended December 31	2011				2010				2009
	DD&A		Capital Expend.		DD&A		Capital Expend.		DD&A		Capital Expend.
(In millions)
CNA Financial	$	70	$	85	$	69	$	51	$	75	$	65
Diamond Offshore		399		783		396		399		350		1,355
HighMount		94		324		92		188		119		196
Boardwalk Pipeline		231		142		222		204		207		588
Loews Hotels		29		19		29		13		26		36
Corporate and other		10		19		8		5		7		2
Total	$	833	$	1,372	$	816	$	860	$	784	$	2,242

Natural gas And Oil Property And Equipment Costs Not Being Amortized

	Total		2011		2010		2009		Prior
(In millions)
Acquisition costs	$	334	$	108	$	5			$	221
Exploration costs		9		8		1
Capitalized interest		41		15		15	$	4		7
Total excluded costs	$	384	$	131	$	21	$	4	$	228