Supplemental Oil and Gas Disclosures (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2015

Revenue and Direct Cost Information Relating to Company's Oil and Gas Exploration and Production Activities



	United States			Canada			Egypt⁽³⁾		North Sea			Other International			Total⁽³⁾⁽⁴⁾
	(In millions, except per boe)
2015
Oil and gas production revenues	$	2,637		$	498		$	2,095	$	1,280		$	—		$	6,510
Operating cost:
Depreciation, depletion, and amortization⁽¹⁾	1,455			251			780		490			—			2,976
Asset retirement obligation accretion	28			43			—		74			—			145
Lease operating expenses	739			244			522		349			—			1,854
Gathering and transportation	68			89			45		9			—			211
Exploration expenses	2,145			231			154		237			4			2,771
Impairments related to oil and gas properties	6,154			1,031			193		11			—			7,389
Production taxes⁽²⁾	178			23			—		58			—			259
Income tax	(2,886		)	(369		)	180		26			—			(3,049		)
	7,881			1,543			1,874		1,254			4			12,556
Results of operation	$	(5,244	)	$	(1,045	)	$	221	$	26		$	(4	)	$	(6,046	)
2014
Oil and gas production revenues	$	5,744		$	1,092		$	3,643	$	2,316		$	—		$	12,795
Operating cost:
Depreciation, depletion, and amortization⁽¹⁾	2,294			382			735		784			—			4,195
Asset retirement obligation accretion	43			39			—		72			—			154
Lease operating expenses	921			384			499		434			—			2,238
Gathering and transportation	93			123			40		17			—			273
Exploration expenses	2,113			162			112		119			(7		)	2,499
Impairments related to oil and gas properties	2,372			1,645			173		1,878			—			6,068
Production taxes⁽²⁾	342			27			—		177			—			546
Income tax	(864		)	(421		)	938		(723		)	—			(1,070		)
	7,314			2,341			2,497		2,758			(7		)	14,903
Results of operation	$	(1,570	)	$	(1,249	)	$	1,146	$	(442	)	$	7		$	(2,108	)
2013
Oil and gas production revenues	$	6,902		$	1,224		$	3,971	$	2,728		$	—		$	14,825
Operating cost:
Depreciation, depletion, and amortization⁽¹⁾	2,579			417			756		953			—			4,705
Asset retirement obligation accretion	94			49			—		68			—			211
Lease operating expenses	1,320			459			471		400			—			2,650
Gathering and transportation	84			155			42		7			—			288
Exploration expenses	629			86			86		58			83			942
Impairments related to oil and gas properties	96			274			12		1,061			—			1,443
Production taxes⁽²⁾	324			40			—		382			—			746
Income tax	630			(63		)	1,198		(125		)	—			1,640
	5,756			1,417			2,565		2,804			83			12,625
Results of operation	$	1,146		$	(193	)	$	1,406	$	(76	)	$	(83	)	$	2,200


(1)	This amount only reflects DD&A of capitalized costs of oil and gas properties and, therefore, does not agree with DD&A reflected on Note 15—Business Segment Information.


(2)	Only reflects amounts directly related to oil and gas producing properties and, therefore, does not agree with taxes other than income reflected on Note 15—Business Segment Information.


(3)	Includes noncontrolling interest in Egypt.


(4)	Prior year amounts have been recast to exclude discontinued operations.

Costs Incurred in Oil and Gas Property Acquisitions, Exploration and Development Activities

Costs Incurred in Oil and Gas Property Acquisitions, Exploration, and Development Activities



	United States		Canada		Egypt⁽²⁾		Australia			North Sea			Argentina		Other International		Total⁽²⁾
	(In millions)
2015
Acquisitions:
Proved	$	1	$	8	$	29	$	—		$	—		$	—	$	—	$	38
Unproved	313		23		—		—			—			—		—		336
Exploration	194		51		125		32			246			—		29		677
Development	1,729		151		741		98			479			—		—		3,198
Costs incurred⁽¹⁾	$	2,237	$	233	$	895	$	130		$	725		$	—	$	29	$	4,249
⁽¹⁾ Includes capitalized interest and asset retirement costs as follows:
Capitalized interest	$	—	$	—	$	8	$	6		$	7		$	—	$	—	$	21
Asset retirement costs	123		8		—		—			(66		)	—		—		65
2014
Acquisitions:
Proved	$	102	$	—	$	11	$	—		$	—		$	—	$	—	$	113
Unproved	1,221		141		—		16			—			—		—		1,378
Exploration	505		93		207		131			103			9		1		1,049
Development	5,078		789		1,122		990			956			6		—		8,941
Costs incurred⁽¹⁾	$	6,906	$	1,023	$	1,340	$	1,137		$	1,059		$	15	$	1	$	11,481
⁽¹⁾Includes capitalized interest and asset retirement costs as follows:
Capitalized interest	$	17	$	—	$	9	$	90		$	29		$	3	$	—	$	148
Asset retirement costs	43		175		—		55			34			—		—		307
2013
Acquisitions:
Proved	$	17	$	—	$	39	$	—		$	125		$	—	$	—	$	181
Unproved	195		151		11		—			17			11		—		385
Exploration	617		35		565		168			259			42		22		1,708
Development	5,188		681		599		1,055			661			142		—		8,326
Costs incurred⁽¹⁾	$	6,017	$	867	$	1,214	$	1,223		$	1,062		$	195	$	22	$	10,600
⁽¹⁾ Includes capitalized interest and asset retirement costs as follows:
Capitalized interest	$	50	$	—	$	2	$	74		$	32		$	10	$	—	$	168
Asset retirement costs	480		17		—		(30		)	67			3		—		537
⁽²⁾ Includes a noncontrolling interest in Egypt.



	United States			Canada			Egypt⁽¹⁾			Australia			North Sea			Other International		Total⁽¹⁾
	(In millions)
2015
Proved properties	$	18,692		$	5,812		$	9,798		$	—		$	7,426		$	—	$	41,728
Unproved properties	1,615			172			25			—			429			36		2,277
	20,307			5,984			9,823			—			7,855			36		44,005
Accumulated DD&A	(9,027		)	(3,958		)	(6,559		)	—			(4,913		)	—		(24,457		)
	$	11,280		$	2,026		$	3,264		$	—		$	2,942		$	36	$	19,548
2014
Proved properties	$	22,791		$	6,659		$	9,096		$	3,919		$	6,911		$	—	$	49,376
Unproved properties	3,610			675			179			438			579			9		5,490
	26,401			7,334			9,275			4,357			7,490			9		54,866
Accumulated DD&A	(7,572		)	(3,803		)	(5,779		)	(2,744		)	(4,533		)	—		(24,431		)
	$	18,829		$	3,531		$	3,496		$	1,613		$	2,957		$	9	$	30,435
⁽¹⁾ Includes a noncontrolling interest in Egypt.

Proved Reserve Data



	Crude Oil and Condensate
	(Thousands of barrels)
	United States		Canada		Egypt(1)		Australia		North Sea		Argentina		Total(1)
Proved developed reserves:
December 31, 2012	474,837		79,695		106,746		29,053		119,635		15,845		825,811
December 31, 2013	457,981		80,526		119,242		22,524		100,327		14,195		794,795
December 31, 2014	444,440		75,876		128,712		29,996		105,746		—		784,770
December 31, 2015	348,797		67,847		144,164		—		104,255		—		665,063
Proved undeveloped reserves:
December 31, 2012	203,068		70,650		17,288		34,808		28,019		2,981		356,814
December 31, 2013	195,835		56,366		16,302		36,703		29,253		2,231		336,690
December 31, 2014	170,125		59,923		14,617		25,775		19,059		—		289,499
December 31, 2015	60,505		38,326		17,856		—		11,309		—		127,996
Total proved reserves:
Balance December 31, 2012	677,905		150,345		124,034		63,861		147,654		18,826		1,182,625
Extensions, discoveries and other additions	133,227		10,177		43,738		2,539		1,543		998		192,222
Purchase of minerals in-place	85		—		5		—		3,623		—		3,713
Revisions of previous estimates	1,683		(531	)	650		(118	)	18		24		1,726
Production	(53,621	)	(6,469	)	(32,883	)	(7,055	)	(23,258	)	(3,422	)	(126,708	)
Sale of properties	(105,463	)	(16,630	)	—		—		—		—		(122,093	)
Balance December 31, 2013	653,816		136,892		135,544		59,227		129,580		16,426		1,131,485
Extensions, discoveries and other additions	57,011		9,657		38,074		4,254		17,386		5		126,387
Purchase of minerals in-place	15,240		—		—		—		—		—		15,240
Revisions of previous estimates	3,083		(812	)	2,645		(216	)	(7	)	—		4,693
Production	(48,789	)	(6,421	)	(32,934	)	(7,494	)	(22,154	)	(620	)	(118,412	)
Sale of properties	(65,796	)	(3,517	)	—		—		—		(15,811	)	(85,124	)
Balance December 31, 2014	614,565		135,799		143,329		55,771		124,805		—		1,074,269
Extensions, discoveries and other additions	13,903		4,550		24,524		—		16,579		—		59,556
Purchase of minerals in-place	—		1,763		—		—		—		—		1,763
Revisions of previous estimates	(173,907	)	(27,966	)	27,330		11,189		(2,255	)	—		(165,609	)
Production	(45,138	)	(5,755	)	(33,163	)	(2,778	)	(21,657	)	—		(108,491	)
Sale of properties	(121	)	(2,218	)	—		(64,182	)	(1,908	)	—		(68,429	)
Balance December 31, 2015	409,302		106,173		162,020		—		115,564		—		793,059

(1) 2015, 2014, and 2013 includes proved reserves of 54 MMbbls, 48 MMbbls, and 45 MMbbls, respectively, attributable to a noncontrolling interest in Egypt.



	Natural Gas Liquids
	(Thousands of barrels)
	United States		Canada		Egypt(1)		Australia	North Sea		Argentina		Total(1)
Proved developed reserves:
December 31, 2012	154,508		21,996		—		—	2,438		5,007		183,949
December 31, 2013	184,485		26,099		—		—	2,435		4,110		217,129
December 31, 2014	183,565		17,947		1,346		—	1,770		—		204,628
December 31, 2015	150,265		15,246		1,491		—	1,784		—		168,786
Proved undeveloped reserves:
December 31, 2012	60,889		12,258		—		—	380		876		74,403
December 31, 2013	63,538		9,970		—		—	215		1,009		74,732
December 31, 2014	69,828		7,168		212		—	371		—		77,579
December 31, 2015	24,939		4,839		78		—	295		—		30,151
Total proved reserves:
Balance December 31, 2012	215,397		34,254		—		—	2,818		5,883		258,352
Extensions, discoveries and other additions	69,231		4,014		—		—	—		—		73,245
Purchase of minerals in-place	45		—		—		—	295		—		340
Revisions of previous estimates	1,591		546		—		—	1		3		2,141
Production	(19,922	)	(2,442	)	—		—	(464	)	(767	)	(23,595	)
Sale of properties	(18,319	)	(303	)	—		—	—		—		(18,622	)
Balance December 31, 2013	248,023		36,069		—		—	2,650		5,119		291,861
Extensions, discoveries and other additions	47,516		1,163		1,820		—	1		—		50,500
Purchase of minerals in-place	2,916		—		—		—	—		—		2,916
Revisions of previous estimates	2,594		116		(11	)	—	(2	)	—		2,697
Production	(21,464	)	(2,256	)	(251	)	—	(508	)	(116	)	(24,595	)
Sale of properties	(26,192	)	(9,977	)	—		—	—		(5,003	)	(41,172	)
Balance December 31, 2014	253,393		25,115		1,558		—	2,141		—		282,207
Extensions, discoveries and other additions	5,768		1,473		144		—	689		—		8,074
Purchase of minerals in-place	—		976		—		—	—		—		976
Revisions of previous estimates	(64,226	)	(4,886	)	255		—	(321	)	—		(69,178	)
Production	(19,684	)	(2,236	)	(388	)	—	(413	)	—		(22,721	)
Sale of properties	(47	)	(357	)	—		—	(17	)	—		(421	)
Balance December 31, 2015	175,204		20,085		1,569		—	2,079		—		198,937

(1) 2015 and 2014 includes proved reserves of 523 Mbbls and 519 Mbbls, respectively, attributable to a noncontrolling interest in Egypt.



	Natural Gas
	(Millions of cubic feet)
	United States		Canada		Egypt(1)		Australia		North Sea		Argentina		Total(1)
Proved developed reserves:
December 31, 2012	2,353,587		1,734,657		690,436		596,052		93,319		365,054		5,833,105
December 31, 2013	2,005,966		1,294,420		621,825		626,543		88,177		289,133		4,926,064
December 31, 2014	1,616,504		990,145		637,187		640,265		87,259		—		3,971,360
December 31, 2015	1,364,174		759,321		776,263		—		85,532		—		2,985,290
Proved undeveloped reserves:
December 31, 2012	832,320		403,227		205,055		1,074,018		18,985		97,496		2,631,101
December 31, 2013	667,160		439,037		190,355		975,224		18,988		121,584		2,412,348
December 31, 2014	580,299		527,623		171,696		964,554		23,228		—		2,267,400
December 31, 2015	208,594		162,809		53,969		—		19,760		—		445,132
Total proved reserves:
Balance December 31, 2012	3,185,907		2,137,884		895,491		1,670,070		112,304		462,550		8,464,206
Extensions, discoveries and other additions	306,721		359,493		44,382		13,351		2,750		16,515		743,212
Purchase of minerals in-place	855		—		—		—		10,680		—		11,535
Revisions of previous estimates	61,247		109,551		14,824		(101	)	32		49		185,602
Production	(285,187	)	(181,593	)	(142,517	)	(81,553	)	(18,601	)	(68,397	)	(777,848	)
Sale of properties	(596,417	)	(691,878	)	—		—		—		—		(1,288,295	)
Balance December 31, 2013	2,673,126		1,733,457		812,180		1,601,767		107,165		410,717		7,338,412
Extensions, discoveries and other additions	203,318		383,077		125,899		81,156		23,803		—		817,253
Purchase of minerals in-place	21,337		—		—		—		—		—		21,337
Revisions of previous estimates	35,910		(12,626	)	17,326		—		(54	)	—		40,556
Production	(215,829	)	(117,816	)	(146,522	)	(78,104	)	(20,427	)	(12,722	)	(591,420	)
Sale of properties	(521,059	)	(468,324	)	—		—		—		(397,995	)	(1,387,378	)
Balance December 31, 2014	2,196,803		1,517,768		808,883		1,604,819		110,487		—		6,238,760
Extensions, discoveries and other additions	40,901		121,216		94,777		—		41,755		—		298,649
Purchase of minerals in-place	—		24,727		—		—		—		—		24,727
Revisions of previous estimates	(503,939	)	(325,375	)	61,442		8,162		(22,373	)	—		(782,083	)
Production	(160,614	)	(100,289	)	(134,870	)	(34,352	)	(23,647	)	—		(453,772	)
Sale of properties	(383	)	(315,917	)	—		(1,578,629	)	(930	)	—		(1,895,859	)
Balance December 31, 2015	1,572,768		922,130		830,232		—		105,292		—		3,430,422

(1) 2015, 2014, and 2013 include proved reserves of 277 Bcf, 270 Bcf, and 271 Bcf, respectively, attributable to a noncontrolling interest in Egypt.



	Total Equivalent Reserves
	(Thousands barrels of oil equivalent)
	United States		Canada		Egypt(1)		Australia		North Sea		Argentina		Total(1)
Proved developed reserves:
December 31, 2012	1,021,610		390,800		221,819		128,395		137,626		81,695		1,981,945
December 31, 2013	976,795		322,362		222,880		126,948		117,457		66,494		1,832,936
December 31, 2014	897,422		258,848		236,256		136,707		122,058		—		1,651,291
December 31, 2015	726,424		209,647		275,033		—		120,293		—		1,331,397
Proved undeveloped reserves:
December 31, 2012	402,677		150,113		51,464		213,811		31,563		20,106		869,734
December 31, 2013	370,566		139,509		48,028		199,240		32,633		23,504		813,480
December 31, 2014	336,670		155,028		43,446		186,534		23,301		—		744,979
December 31, 2015	120,210		70,300		26,929		—		14,897		—		232,336
Total proved reserves:
Balance December 31, 2012	1,424,287		540,913		273,283		342,206		169,189		101,801		2,851,679
Extensions, discoveries and other additions	253,578		74,107		51,135		4,764		2,001		3,751		389,336
Purchase of minerals in-place	273		—		5		—		5,698		—		5,976
Revisions of previous estimates	13,482		18,274		3,121		(135	)	24		35		34,801
Production	(121,074	)	(39,177	)	(56,636	)	(20,647	)	(26,822	)	(15,589	)	(279,945	)
Sale of properties	(223,185	)	(132,246	)	—		—		—		—		(355,431	)
Balance December 31, 2013	1,347,361		461,871		270,908		326,188		150,090		89,998		2,646,416
Extensions, discoveries and other additions	138,413		74,666		60,877		17,780		21,354		5		313,095
Purchase of minerals in-place	21,712		—		—		—		—		—		21,712
Revisions of previous estimates	11,662		(2,800	)	5,522		(216	)	(18	)	—		14,150
Production	(106,225	)	(28,313	)	(57,605	)	(20,511	)	(26,067	)	(2,856	)	(241,577	)
Sale of properties	(178,831	)	(91,548	)	—		—		—		(87,147	)	(357,526	)
Balance December 31, 2014	1,234,092		413,876		279,702		323,241		145,359		—		2,396,270
Extensions, discoveries and other additions	26,488		26,226		40,464		—		24,227		—		117,405
Purchase of minerals in-place	—		6,860		—		—		—		—		6,860
Revisions of previous estimates	(322,123	)	(87,081	)	37,825		12,549		(6,305	)	—		(365,135	)
Production	(91,591	)	(24,706	)	(56,029	)	(8,503	)	(26,011	)	—		(206,840	)
Sale of properties	(232	)	(55,228	)	—		(327,287	)	(2,080	)	—		(384,827	)
Balance December 31, 2015	846,634		279,947		301,962		—		135,190		—		1,563,733

(1) 2015, 2014, and 2013 include total proved reserves of 101 MMboe, 93 MMboe, and 90 MMboe, respectively, attributable to a noncontrolling interest in Egypt.

Unaudited Information of Future Net Cash Flows For Oil and Gas Reserves, Net of Income Tax Expense



	United States			Canada			Egypt⁽²⁾			Australia			North Sea			Argentina		Total⁽²⁾
	(In millions)
2015
Cash inflows	$	26,610		$	7,345		$	11,124		$	—		$	6,994		$	—	$	52,073
Production costs	(12,178		)	(3,841		)	(2,185		)	—			(3,209		)	—		(21,413		)
Development costs	(2,255		)	(1,939		)	(1,515		)	—			(2,346		)	—		(8,055		)
Income tax expense	(63		)	—			(2,326		)	—			(691		)	—		(3,080		)
Net cash flows	12,114			1,565			5,098			—			748			—		19,525
10 percent discount rate	(6,876		)	(868		)	(1,330		)	—			143			—		(8,931		)
Discounted future net cash flows⁽¹⁾	$	5,238		$	697		$	3,768		$	—		$	891		$	—	$	10,594
2014
Cash inflows	73,859			18,966			16,802			19,391			13,916			—		142,934
Production costs	(25,875		)	(7,537		)	(2,924		)	(4,105		)	(7,121		)	—		(47,562		)
Development costs	(4,422		)	(2,453		)	(1,683		)	(1,173		)	(2,776		)	—		(12,507		)
Income tax expense	(10,657		)	(1,070		)	(4,091		)	(3,202		)	(2,445		)	—		(21,465		)
Net cash flows	32,905			7,906			8,104			10,911			1,574			—		61,400
10 percent discount rate	(17,639		)	(3,983		)	(2,099		)	(5,875		)	(146		)	—		(29,742		)
Discounted future net cash flows⁽¹⁾	$	15,266		$	3,923		$	6,005		$	5,036		$	1,428		$	—	$	31,658


(1)	Estimated future net cash flows before income tax expense, discounted at 10 percent per annum, totaled approximately $13.1 billion and $43.0 billion as of December 31, 2015 and 2014, respectively.


(2)	Includes discounted future net cash flows of approximately $1.3 billion and $2.0 billion in 2015 and 2014, respectively, attributable to a noncontrolling interest in Egypt.

Principal Sources of Change In Discounted Future Net Cash Flows



	For the Year Ended December 31,
	2015			2014			2013
	(In millions)
Sales, net of production costs	$	(4,056	)	$	(10,350	)	$	(12,271	)
Net change in prices and production costs	(21,710		)	(1,029		)	1,438
Discoveries and improved recovery, net of related costs	1,953			6,297			6,892
Change in future development costs	705			(1,136		)	(2,017		)
Previously estimated development costs incurred during the period	1,991			4,462			4,654
Revision of quantities	(2,292		)	256			500
Purchases of minerals in-place	22			508			227
Accretion of discount	3,642			4,442			4,823
Change in income taxes	7,264			836			855
Sales of properties	(5,240		)	(4,780		)	(6,232		)
Change in production rates and other	(3,343		)	(442		)	(828		)
	$	(21,064	)	$	(936	)	$	(1,959	)

- Definition

Tabular disclosure of the results of operations for oil and gas producing activities for the year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 235
-Section 50
-Paragraph 27
-URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e62352-109447

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Topic 932
-SubTopic 235
-Section 50
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-URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e62246-109447

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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-Subparagraph (SX 210.4-10.(a)(17)(ii),(c)(3)(ii)(A)(1))
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-Publisher FASB
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Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Name Accounting Standards Codification
-Topic 932
-SubTopic 235
-Section 55
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=34713648&loc=d3e63071-109448

+ Details

- Definition

Tabular disclosure of the net quantities of an enterprise's interests in proved developed and undeveloped reserves of (a) crude oil (including condensate and natural gas liquids), (b) natural gas (including coal bed methane), (c) synthetic oil, (d) synthetic gas, and (e) other nonrenewable natural resources that are intended to be upgraded during the period as of the beginning of the period, changes in quantities during the period, and as of the end of the period.

+ References + Details

- Definition

Tabular disclosure of the future net cash flows relating to proved oil and gas reserves and oil and gas subject to purchase under long-term agreements in which the enterprise participates in the operation of the properties on which the oil and gas is located or otherwise serves as the producer. This information is presented in aggregate and for each geographic area for which reserve quantities are disclosed.

+ References + Details