Properties, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2012

Property, Plant and Equipment [Abstract]

Properties, Plant and Equipment

	At December 31												Year ended December 31
	Gross Investment at Cost						Net Investment						Additions at Cost2,3						Depreciation Expense4
	2012		2011		2010		2012		2011		2010		2012		2011		2010		2012		2011		2010
Upstream
United States	$	81,908	$	74,369	$	62,523	$	37,909	$	33,461	$	23,277	$	8,211	$	14,404	$	4,934	$	3,902	$	3,870	$	4,078
International	145,799		125,795		110,578		85,318		72,543		64,388		21,343		15,722		14,381		8,015		7,590		7,448
Total Upstream	227,707		200,164		173,101		123,227		106,004		87,665		29,554		30,126		19,315		11,917		11,460		11,526
Downstream
United States	21,792		20,699		19,820		11,333		10,723		10,379		1,498		1,226		1,199		799		776		741
International	8,990		7,422		9,697		3,930		2,995		3,948		2,544		443		361		308		332		451
Total Downstream	30,782		28,121		29,517		15,263		13,718		14,327		4,042		1,669		1,560		1,107		1,108		1,192
All Other5
United States	4,959		5,117		4,722		2,845		2,872		2,496		415		591		259		384		338		341
International	33		30		27		13		14		16		4		5		11		5		5		4
Total All Other	4,992		5,147		4,749		2,858		2,886		2,512		419		596		270		389		343		345
Total United States	108,659		100,185		87,065		52,087		47,056		36,152		10,124		16,221		6,392		5,085		4,984		5,160
Total International	154,822		133,247		120,302		89,261		75,552		68,352		23,891		16,170		14,753		8,328		7,927		7,903
Total	$	263,481	$	233,432	$	207,367	$	141,348	$	122,608	$	104,504	$	34,015	$	32,391	$	21,145	$	13,413	$	12,911	$	13,063

¹  Other than the United States, Nigeria and Australia, no other country accounted for 10 percent or more of the company’s net properties, plant and equipment (PP&E) in 2012. Nigeria had PP&E of $17,485, $15,601 and $13,896 for 2012, 2011 and 2010, respectively. Australia had $21,770 and $12,423 in 2012 and 2011, respectively.

²  Net of dry hole expense related to prior years’ expenditures of $80, $45 and $82 in 2012, 2011 and 2010, respectively.

³  Includes properties acquired with the acquisition of Atlas Energy, Inc., in 2011.

⁴  Depreciation expense includes accretion expense of $629, $628 and $513 in 2012, 2011 and 2010, respectively.

⁵  Primarily mining operations, power generation businesses, real estate assets and management information systems.