Disclosure of information on segments (Tables)

12 Months Ended

Dec. 31, 2017

Disclosure of information on segments [Abstract]

Disclosure of entitys reportable segments [Table Text Block]

																															Equity accounted investees
	Ucchuchacua (Operation)		Orcopampa (Operation)		Julcani (Operation)		Mallay (Operation)		Tambomayo (Operation)		Colquijirca (Operation)		La Zanja (Operation)		Exploration and development mining projects		Construction and engineering		Energy generation and transmission		Insurance brokerage		Rental of mining concessions		Holding of investment in shares		Industrial activities		Corporate		Minera Yanacocha S.R.L.		Sociedad Minera Cerro Verde S.A.A		Compañía Minera Coimolache S.A.		Total operating segments		Adjustments and eliminations		Total
	US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)
Year 2017
Results:
Continuing operations
Operating income
Net sale of goods		272,334		256,960		42,785		36,736		118,966		322,653		165,319		-		-		-		-		-		-		6,317		34,650		645,176		3,202,931		203,790		5,308,617		(4,084,675)		1,223,942
Net sale of services		-		-		-		-		-		-		-		-		10,603		60,639		14,377		-		615		19,658		-		21,870		-		-		127,762		(98,065)		29,697
Royalty income		-		-		-		-		-		-		-		-		-		-		-		20,739		-		-		-		-		-		-		20,739		-		20,739
Total operating income		272,334		256,960		42,785		36,736		118,966		322,653		165,319		-		10,603		60,639		14,377		20,739		615		25,975		34,650		667,046		3,202,931		203,790		5,457,118		(4,182,740)		1,274,378
Operating costs
Cost of sales of goods		(143,288)		(115,574)		(31,190)		(22,783)		(53,555)		(193,874)		(102,474)		-		-		-		-		-		-		(6,043)		(34,029)		(746,918)		(1,768,238)		(121,021)		(3,338,987)		2,711,554		(627,433)
Cost of services		-		-		-		-		-		-		-		-		(9,393)		(25,556)		-		-		-		(9,354)		-		(2,062)		-		-		(46,365)		33,411		(12,954)
Exploration in operating units		(27,068)		(38,820)		(13,009)		(5,617)		(9,543)		-		(871)		-		-		-		-		-		-		-		-		-		-		-		(94,928)		-		(94,928)
Depreciation and amortization		(23,899)		(8,846)		(8,122)		(3,568)		(42,789)		(57,199)		(48,385)		-		(129)		(9,651)		-		-		-		(11,134)		-		-		-		-		(213,722)		-		(213,722)
Mining royalties		(2,280)		(22,436)		(354)		(333)		(998)		(3,317)		(1,499)		-		-		-		-		-		-		-		-		-		-		-		(31,217)		-		(31,217)
Total operating costs		(196,535)		(185,676)		(52,675)		(32,301)		(106,885)		(254,390)		(153,229)		-		(9,522)		(35,207)		-		-		-		(26,531)		(34,029)		(748,980)		(1,768,238)		(121,021)		(3,725,219)		2,744,965		(980,254)
Gross profit (loss)		75,799		71,284		(9,890)		4,435		12,081		68,263		12,090		-		1,081		25,432		14,377		20,739		615		(556)		621		(81,934)		1,434,693		82,769		1,731,899		(1,437,775)		294,124
Operating expenses, net
Administrative expenses		(19,473)		(18,281)		(2,878)		(2,931)		(9,139)		(13,061)		(2,814)		(1,604)		(3,606)		(2,423)		(12,288)		(90)		(413)		(1,203)		443		(4,760)		-		(3,829)		(98,350)		14,753		(83,597)
Exploration in non-operating areas		(2,676)		-		-		-		(3,214)		(1,976)		(2,870)		(2,771)		-		-		-		-		-		-		(5,052)		-		-		-		(18,559)		297		(18,262)
Selling expenses		(6,078)		(1,016)		(605)		(1,045)		(1,387)		(10,914)		(881)		-		-		(1,264)		-		-		-		(775)		(167)		(3,922)		(141,669)		(946)		(170,669)		146,581		(24,088)
Impairment loss of long-lived assets		-		-		-		-		-		-		(21,620)		-		-		-		-		-		-		-		-		-		-		-		(21,620)		-		(21,620)
Provision for contingences and others		(7,040)		(1)		(460)		(139)		(1,002)		-		(1,370)		(4,657)		100		312		-		-		-		-		378		-		-		-		(13,879)		-		(13,879)
Write –off of stripping activity asset		-		-		-		-		-		(13,573)		-		-		-		-		-		-		-		-		-		-		-		-		(13,573)		-		(13,573)
Other, net		(1,799)		(715)		(1,403)		(359)		(175)		(2,922)		(970)		(94)		1,129		(94)		(4)		(1)		-		216		(2,012)		(63,512)		(258,826)		(587)		(332,128)		318,539		(13,589)
Total operating expenses, net		(37,066)		(20,013)		(5,346)		(4,474)		(14,917)		(42,446)		(30,525)		(9,126)		(2,377)		(3,469)		(12,292)		(91)		(413)		(1,762)		(6,410)		(72,194)		(400,495)		(5,362)		(668,778)		480,170		(188,608)
Operating profit (loss)		38,733		51,271		(15,236)		(39)		(2,836)		25,817		(18,435)		(9,126)		(1,296)		21,963		2,085		20,648		202		(2,318)		(5,789)		(154,128)		1,034,198		77,407		1,063,121		(957,605)		105,516
Other income (expense),net
Share in the results of associates under equity method		-		-		-		-		-		-		-		-		-		8,573		-		-		(66,187)		-		21,194		-		-		-		(36,420)		49,627		13,207
Finance income		-		-		-		-		-		179		670		-		-		139		1		7		1		79		5,614		5,831		5,350		220		18,091		(12,574)		5,517
Net gain (loss) from currency exchange difference		31		(63)		(75)		(11)		10		310		48		537		105		294		(75)		(41)		(4)		497		1,365		3,636		13,288		(174)		19,678		(16,750)		2,928
Finance costs		(285)		(354)		(106)		(72)		(372)		(12,017)		(1,919)		(131)		(370)		(10,354)		(6)		(2)		(2)		(941)		(8,980)		(23,766)		(216,912)		(3,304)		(279,893)		245,270		(34,623)
Total other income (expense), net		(254)		(417)		(181)		(83)		(362)		(11,528)		(1,201)		406		(265)		(1,348)		(80)		(36)		(66,192)		(365)		19,193		(14,299)		(198,274)		(3,258)		(278,544)		265,573		(12,971)
Profit (loss) before income tax		38,479		50,854		(15,417)		(122)		(3,198)		14,289		(19,636)		(8,720)		(1,561)		20,615		2,005		20,612		(65,990)		(2,683)		13,404		(168,427)		835,924		74,149		784,577		(692,032)		92,545
Income tax		(1,101)		(1,085)		(153)		(124)		(538)		(3,903)		6,841		-		(400)		(3,491)		(742)		(6,044)		(38)		1,818		(9,052)		(7,026)		(486,043)		(23,362)		(534,443)		516,431		(18,012)
Profit (loss) from continued operations		37,378		49,769		(15,570)		(246)		(3,736)		10,386		(12,795)		(8,720)		(1,961)		17,124		1,263		14,568		(66,028)		(865)		4,352		(175,453)		349,881		50,787		250,134		(175,601)		74,533
Loss from discontinued operations, see note 1(e)																																										(10,098)
Net profit																																										64,435

Total assets		146,464		54,114		20,922		18,923		538,057		792,594		190,310		342,759		14,004		360,610		9,004		6,611		988,841		109,669		1,931,224		2,019,332		7,691,007		380,534		15,614,979		(11,282,166)		4,332,813
Total liabilities		49,723		42,242		18,099		6,092		32,501		388,899		87,008		14,527		5,153		205,247		4,616		2,378		414		20,245		425,413		1,360,217		2,501,845		150,743		5,315,362		(4,046,176)		1,269,186

Other segment information
Investment in associates		-		-		-		-		-		-		-		-		-		-		-		-		-		-		1,536,887		-		-		-		1,536,887		-		1,536,887
Additions to mining concessions, development costs, property, plant and equipment		18,127		12,674		1,951		1,796		131,119		61,060		17,326		13,733		3		852		14		-		-		459		393		-		-		-		259,507		-		259,507

																															Equity accounted investees
	Ucchuchacua (Operation)		Orcopampa (Operation)		Julcani (Operation)		Mallay (Operation)		Tambomayo (Operation)		Colquijirca (Operation)		La Zanja (Operation)		Exploration and development mining projects		Construction and engineering		Energy generation and transmission		Insurance brokerage		Rental of mining concessions		Holding of investment in shares		Industrial activities		Corporate		Minera Yanacocha S.R.L.		Sociedad Minera Cerro Verde S.A.A		Compañía Minera Coimolache S.A.		Total operating segments		Adjustments and eliminations		Total
	US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)
Year 2016
Results:
Continuing operations
Operating income
Net sale of goods		240,470		244,745		54,666		46,741		-		230,611		178,922		-		-		-		-		-		-		5,982		191,075		761,193		2,384,154		198,873		4,537,432		(3,521,762)		1,015,670
Net sale of services		-		-		-		-		-		-		-		-		12,633		57,312		12,675		-		615		19,507		-		17,713		-		-		120,455		(91,673)		28,782
Royalty income		-		-		-		-		-		-		-		-		-		-		-		24,339		-		-		-		-		-		-		24,339		-		24,339
Total operating income		240,470		244,745		54,666		46,741		-		230,611		178,922				12,633		57,312		12,675		24,339		615		25,489		191,075		778,906		2,384,154		198,873		4,682,226		(3,613,435)		1,068,791
Operating costs
Cost of sales of goods		(118,561)		(97,325)		(23,633)		(23,392)		-		(178,231)		(80,873)		-		-		-		-		-		-		(2,962)		(190,041)		(725,740)		(1,553,040)		(107,913)		(3,101,711)		2,603,899		(497,812)
Cost of services		-		-		-		-		-		-		-		-		(9,732)		(25,250)		-		-		-		(8,723)		-		(2,951)		-		-		(46,656)		35,902		(10,754)
Exploration in operating units		(31,406)		(45,111)		(11,069)		(7,960)		-		-		(603)		-		-		-		-		-		-		-		-		-		-		-		(96,149)		-		(96,149)
Depreciation and amortization		(18,541)		(11,403)		(6,756)		(11,393)		-		(53,637)		(67,542)		(27)		(253)		(10,904)		-		(16)		(221)		(10,968)		(986)		-		-		-		(192,647)		-		(192,647)
Mining royalties		(1,687)		(21,482)		(381)		(314)		-		(2,726)		(1,021)		-		-		-		-		-		-		-		-		-		-		-		(27,611)		-		(27,611)
Total operating costs		(170,195)		(175,321)		(41,839)		(43,059)		-		(234,594)		(150,039)		(27)		(9,985)		(36,154)		-		(16)		(221)		(22,653)		(191,027)		(728,691)		(1,553,040)		(107,913)		(3,464,774)		2,639,801		(824,973)
Gross profit (loss)		70,275		69,424		12,827		3,682		-		(3,983)		28,883		(27)		2,648		21,158		12,675		24,323		394		2,836		48		50,215		831,114		90,960		1,217,452		(973,634)		243,818
Operating expenses
Administrative expenses		(13,265)		(13,810)		(4,582)		(2,708)		(3,274)		(11,802)		(1,980)		(3,750)		(4,492)		(2,450)		(12,245)		(112)		(227)		(635)		(12,083)		(8,780)		-		(4,144)		(100,339)		18,647		(81,692)
Exploration in non-operating areas		-		-		-		-		(7,517)		(1,939)		(4,619)		(9,585)		-		-		-		-		-		-		(4,129)		-		-		-		(27,789)		1,200		(26,589)
Selling expenses		(4,632)		(1,075)		(845)		(1,549)		-		(10,650)		(938)		-		-		(1,124)		-		-		-		(1,154)		(115)		(3,695)		(131,391)		(1,128)		(158,296)		136,563		(21,733)
Impairment loss of long-lived assets		-		-		-		-		-		-		-		-		-		-		-		-		-		-		-		(889,499)		-		-		(889,499)		889,499		-
Provision for contingencies		1,121		(110)		(630)		49		69		-		-		(1,399)		(286)		(467)		-		-		-		-		1,088		-		-		-		(565)		-		(565)
Other, net		1,144		874		74		(372)		421		276		4,237		2,180		2,198		10,994		-		11		(16)		546		8,081		(122,151)		(24,107)		755		(114,855)		133,812		18,957
Total operating expenses, net		(15,632)		(14,121)		(5,983)		(4,580)		(10,301)		(24,115)		(3,300)		(12,554)		(2,580)		6,953		(12,245)		(101)		(243)		(1,243)		(7,158)		(1,024,125)		(155,498)		(4,517)		(1,291,343)		1,179,721		(111,622)
Operating profit (loss)		54,643		55,303		6,844		(898)		(10,301)		(28,098)		25,583		(12,581)		68		28,111		430		24,222		151		1,593		(7,110)		(973,910)		675,616		86,443		(73,891)		206,087		132,196
Other income (expense),net
Share in the results of associates under equity method		-		-		-		-		-		-		-		-		-		4,579		(9)		-		(448,017)		-		(370,381)		-		-		-		(813,828)		448,507		(365,321)
Finance income		3		3		1		-		-		256		87		-		8		820		12		-		4		1		7,480		2,132		954		38		11,799		(4,969)		6,830
Net gain (loss) from currency exchange difference		(203)		(59)		(61)		(46)		57		(270)		65		505		5		(138)		426		(93)		5		222		2,223		(13,741)		7,857		(117)		(3,363)		6,001		2,638
Finance costs		(379)		(197)		(87)		(41)		(137)		(12,554)		(2,614)		(163)		(545)		(10,564)		(10)		(2)		(14)		(962)		(5,156)		(15,107)		(80,438)		(1,614)		(130,584)		99,004		(31,580)
Total other income (expense), net		(579)		(253)		(147)		(87)		(80)		(12,568)		(2,462)		342		(532)		(5,303)		419		(95)		(448,022)		(739)		(365,834)		(26,716)		(71,627)		(1,693)		(935,976)		548,543		(387,433)
Profit (loss) before income tax		54,064		55,050		6,697		(985)		(10,381)		(40,666)		23,121		(12,239)		(464)		22,808		849		24,127		(447,871)		854		(372,944)		(1,000,626)		603,989		84,750		(1,009,867)		754,630		(255,237)
Income tax		(1,814)		(1,895)		(424)		(365)		-		7,851		(18,256)		(245)		(178)		(9,224)		(245)		(6,761)		-		461		(22,409)		(43,126)		(263,082)		(27,894)		(387,606)		334,102		(53,504)
Profit (loss) from continued operations		52,250		53,155		6,273		(1,350)		(10,381)		(32,815)		4,865		(12,484)		(642)		13,584		604		17,366		(447,871)		1,315		(395,353)		(1,043,752)		340,907		56,856		(1,397,473)		1,088,732		(308,741)
Loss from discontinued operations, see note 1(e)																																										(19,073)
Net loss																																										(327,814)

Total assets		105,950		46,085		25,118		16,958		415,341		763,092		246,106		330,169		22,481		379,964		6,226		7,439		427,439		120,038		2,593,838		2,045,825		7,635,623		334,555		15,522,247		(11,255,832)		4,266,415
Total liability		35,148		26,536		19,733		7,302		582		353,184		129,689		14,831		11,647		222,324		3,102		2,684		148		29,751		556,172		1,160,102		2,796,342		131,051		5,500,328		(4,281,126)		1,219,202

Other segment information
Investment in associates		-		-		-		-		-		-		-		-		-		-		-		-		-		-		1,536,607		-		-		-		1,536,607		-		1,536,607
Additions to mining concessions, development costs, property, plant and equipment		28,899		3,451		759		2,729		230,223		51,289		14,995		25,450		27		4,236		39		-		-		3,719		1,018		-		-		-		366,834		-		366,834

																															Equity accounted investees
	Ucchuchacua (Operation)		Orcopampa (Operation)		Julcani (Operation)		Mallay (Operation)		Tambomayo (Operation)		Colquijirca (Operation)		La Zanja (Operation)		Exploration and development mining projects		Construction and engineering		Energy generation and transmission		Insurance brokerage		Rental of mining concessions		Holding of investment in shares		Industrial activities		Corporate		Minera Yanacocha S.R.L.		Sociedad Minera Cerro Verde S.A.A		Compañía Minera Coimolache S.A.		Total operating segments		Adjustments and eliminations		Total
	US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)		US$(000)
Year 2015
Results:
Continuing operations
Operating income
Net sale of goods		166,055		254,118		50,254		32,018		-		171,294		161,007		-		-		-		-		-		-		3,649		168,667		1,031,174		1,115,617		177,347		3,331,200		(2,484,931)		846,269
Net sale of services		-		-		-		-		-		-		-		-		48,758		48,339		11,929		-		-		13,399		-		10,625		-		-		133,050		(82,211)		50,839
Royalty income		-		-		-		-		-		-		-		-		-		-		-		32,414		-		-		-		-		-		-		32,414		-		32,414
Total operating income		166,055		254,118		50,254		32,018		-		171,294		161,007		-		48,758		48,339		11,929		32,414		-		17,048		168,667		1,041,799		1,115,617		177,347		3,496,664		(2,567,142)		929,522
Operating costs
Cost of sales of goods		(126,728)		(112,707)		(26,725)		(20,709)		-		(158,804)		(106,750)		-		-		-		-		-		-		-		(169,236)		(751,736)		(862,004)		(104,549)		(2,439,948)		1,926,458		(513,490)
Cost of services		-		-		-		-		-		-		-		-		(48,544)		(20,767)		-		-		-		(16,820)		-		(2,524)		-		-		(88,655)		29,043		(59,612)
Exploration in operating units		(27,784)		(41,705)		(12,699)		(7,539)		-		-		(41)		-		-		-		-		-		-		-		-		-		-		-		(89,768)		69		(89,699)
Depreciation and amortization		(15,767)		(17,313)		(11,349)		(15,439)		-		(45,752)		(104,984)		(17)		(850)		(10,260)		-		(54)		(226)		(9,545)		(1,027)		-		-		-		(232,583)		-		(232,583)
Mining royalties		(1,142)		(23,877)		(337)		(234)		-		-		(1,597)		-		-		-		-		-		-		-		(1)		-		-		-		(27,188)		-		(27,188)
Total operating costs		(171,421)		(195,602)		(51,110)		(43,921)		-		(204,556)		(213,372)		(17)		(49,394)		(31,027)		-		(54)		(226)		(26,365)		(170,264)		(754,260)		(862,004)		(104,549)		(2,878,142)		1,955,570		(922,572)
Gross profit (loss)		(5,366)		58,516		(856)		(11,903)		-		(33,262)		(52,365)		(17)		(636)		17,312		11,929		32,360		(226)		(9,317)		(1,597)		287,539		253,613		72,798		618,522		(611,572)		6,950
Operating expenses
Administrative expenses		(10,739)		(16,698)		(3,623)		(2,080)		(169)		(19,181)		(2,251)		(1,275)		(7,859)		(3,422)		(11,296)		(106)		(209)		(654)		(11,370)		(26,325)		-		(2,185)		(119,442)		35,070		(84,372)
Exploration in non-operating areas		-		-		-		-		(12,651)		(2,366)		(8,954)		(3,241)		-		-		-		-		-		-		(5,685)		-		-		-		(32,897)		2,287		(30,610)
Selling expenses		(3,552)		(851)		(1,055)		(1,424)		-		(9,056)		(1,207)		-		-		(806)		-		-		-		(1,411)		(3)		(3,534)		(56,215)		(1,111)		(80,225)		60,860		(19,365)
Impairment loss of long-lived assets		-		-		-		-		-		-		(3,803)		-		-		-		-		-		-		-		-		-		-		(672)		(4,475)		672		(3,803)
Provision for contingencies		-		-		-		-		-		-		-		-		-		(472)		-		-		-		-		77		-		-				(395)		-		(395)
Other, net		1,836		(1,182)		(125)		(67)		156		(2,657)		(687)		(1,251)		7,417		167		(4)		-		793		98		6,252		(82,846)		(26,600)		765		(97,935)		92,595		(5,340)
Total operating expenses, net		(12,455)		(18,731)		(4,803)		(3,571)		(12,664)		(33,260)		(16,902)		(5,767)		(442)		(4,533)		(11,300)		(106)		584		(1,967)		(10,729)		(112,705)		(82,815)		(3,203)		(335,369)		191,484		(143,885)
Operating profit (loss)		(17,821)		39,785		(5,659)		(15,474)		(12,664)		(66,522)		(69,267)		(5,784)		(1,078)		12,779		629		32,254		358		(11,284)		(12,326)		174,834		170,798		69,595		283,153		(420,088)		(136,935)
Other income (expense),net
Share in the results of associates under equity method		-		-		-		-		-		-		-		-		6,561		478		2		-		(187,269)		-		(268,463)		-		-		-		(448,691)		275,316		(173,375)
Finance income		5		5		2		-		-		154		16		-		182		23		13		-		-		-		10,785		673		512		23		12,393		(1,367)		11,026
Net gain (loss) from currency exchange difference		539		461		378		75		(63)		(3,832)		(1,973)		(1,734)		(1,393)		(1,586)		(165)		45		4		(2,162)		(2,287)		(251)		(75,770)		(1,300)		(91,014)		77,321		(13,693)
Finance costs		(195)		(235)		(152)		(108)		(163)		(10,096)		(3,684)		(52)		(1,413)		(8,817)		(21)		(4)		(1)		(842)		(4,043)		-22,734		(16,010)		(51)		(68,621)		41,049		(27,572)
Total other income (expense), net		349		231		228		(33)		(226)		(13,774)		(5,641)		(1,786)		3,937		(9,902)		(171)		41		(187,266)		(3,004)		(264,008)		(22,312)		(91,268)		(1,328)		(595,933)		392,319		(203,614)
Profit (loss) before income tax		(17,472)		40,016		(5,431)		(15,507)		(12,890)		(80,296)		(74,908)		(7,570)		2,859		2,877		458		32,295		(186,908)		(14,288)		(276,334)		152,522		79,530		68,267		(312,780)		(27,769)		(340,549)
Income tax		(518)		(602)		(140)		(78)		-		4,109		5,702		-		(4,386)		(3,887)		(299)		(9,186)		(87)		584		(5,975)		(602,717)		(46,246)		(29,861)		(693,587)		678,824		(14,763)
Profit (loss) from continued operations		(17,990)		39,414		(5,571)		(15,585)		(12,890)		(76,187)		(69,206)		(7,570)		(1,527)		(1,010)		159		23,109		(186,995)		(13,704)		(282,309)		(450,195)		33,284		38,406		(1,006,367)		651,055		(355,312)
Loss from discontinued operations, see note 1(e)																																										(20,233)
Net loss																																										(375,545)

Total assets		86,961		51,746		27,228		24,279		168,835		739,941		220,331		303,484		31,463		393,318		5,979		9,397		997,835		118,012		3,067,988		2,965,430		7,852,692		238,175		17,303,094		(12,755,913)		4,547,181
Total liability		16,663		14,817		6,538		2,803		9,100		364,455		106,846		4,590		29,599		235,695		3,457		3,508		2,831		31,479		465,244		736,605		3,354,318		63,119		5,451,667		(4,293,722)		1,157,945

Other segment information
Investment in associates		-		-		-		-		-		-		-		-		-		-		-		-		-		-		2,043,983		-		-		-		2,043,983		-		2,043,983
Additions to mining concessions, development costs, property, plant and equipment		20,245		8,198		1,323		2,259		77,093		37,571		27,741		26,740		527		6,159		85		-		1,205		2,140		-		-		-		-		211,286		-		211,286

Disclosure of reconciliation of segment profit loss [Text Block]

The reconciliation of segment profit (loss) to the consolidated profit (loss) from continued operations follows:

	2017		2016		2015
	US$(000)		US$(000)		US$(000)

Segments profit (loss) from continued operations		250,134		(1,397,473)		(1,006,367)
Elimination of profit of equity accounted investees, not consolidated (owned by third parties)		(225,215)		645,989		203,912
Elimination of intercompany sales		(108,973)		(251,502)		(232,380)
Elimination of intercompany cost of sales		106,726		250,157		228,914
Elimination of share in the results of subsidiaries and associates		49,627		448,507		448,691
Others		2,234		(4,419)		1,918

Consolidated profit (loss) from continued operations		74,533		(308,741)		(355,312)

Disclosure of reconciliation of segment assets [Text Block]

The reconciliation of segment assets to the consolidated assets follows:

	2017		2016		2015
	US$(000)		US$(000)		US$(000)

Segments assets		15,614,979		15,522,247		17,303,094
Elimination of assets of equity accounted investees, not consolidated (owned by third parties)		(10,090,873)		(10,016,003)		(8,128,519)
Elimination of equity pick up investments of the subsidiaries and associates of the Parent company		(1,186,783)		(1,047,758)		(4,486,717)
Elimination of intercompany receivables		(32,769)		(192,958)		(138,703)
Others		28,259		887		(1,974)

Consolidated assets		4,332,813		4,266,415		4,547,181

Disclosure of reconciliation of segment liabilities [Text Block]

The reconciliation of segment liabilities to the consolidated liabilities follows:

	2017		2016		2015
	US$(000)		US$(000)		US$(000)

Segments liabilities		5,315,362		5,500,328		5,451,667
Elimination of liabilities of equity accounted investees, not consolidated		(4,012,805)		(4,087,495)		(4,154,042)
Elimination of intercompany payables		(32,769)		(192,958)		(138,703)
Others		(602)		(673)		(977)

Consolidated liabilities		1,269,186		1,219,202		1,157,945