PROPERTY, PLANT AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2019

PROPERTY, PLANT AND EQUIPMENT [Abstract]

	2019
	Cost											Depreciation
Account	Beginning of the year		Additions		Retirements		Transfers			End of the year		Accumulated at the beginning of the year		Retirements		For the year		rate %		Accumulated at the end of the year		Net book value
Pipelines		61,419,814		-		13,330		1,933,215			63,339,699		29,732,526		7,747		1,518,032		2.2		31,242,811		32,096,888

Compressor plants		23,468,780		399,897		179,885		2,033,984			25,722,776		16,260,945		108,445		1,067,625	3.3 to 25			17,220,125		8,502,651

Other plants		26,488		-		-		-			26,488		8,039		-		899		3.3		8,938		17,550

Stations of regulation and/or measurement of pressure		2,091,798		-		-		76,900			2,168,698		1,668,370		-		57,681		4.0		1,726,051		442,647

Other technical installations		413,717		-		-		7,440			421,157		353,051		-		9,250		6.7		362,301		58,856

Subtotal assets related to natural gas transportation service		87,420,597		399,897		193,215		4,051,539			91,678,818		48,022,931		116,192		2,653,487				50,560,226		41,118,592

Non-regulated segment Pipelines		124,829		-		-		10,109,995			10,234,824		63,362		-		62,977		2.2		126,339		10,108,485

Non-regulated segment Compressor plants		1,910,728		-		-		145,605			2,056,333		582,695		-		217,431	3.3 to 25			800,126		1,256,207

Non-regulated segment Other plants		13,326,401		-		-		4,726,393			18,052,794		9,976,456		-		312,521		3.3		10,288,977		7,763,817

Non-regulated segment Stations of regulation and/or measurement of pressure		160,534		11,284		-		457,977			629,795		32,186		-		11,582		4.0		43,768		586,027

Non-regulated segment Other technical installations		254,016		-		-		-			254,016		75,525		-		22,868		6.7		98,393		155,623

Subtotal assets related to Other Services and Production and Commercialization of Liquids		15,776,508		11,284		-		15,439,970			31,227,762		10,730,224		-		627,379				11,357,603		19,870,159

Lands		165,136		189,003		-		-			354,139		-		-		-		-		-		354,139

Buildings and constructions		3,119,619		-		948		428,387			3,547,058		1,761,692		11		58,976		2.0		1,820,657		1,726,401

Facilities and features in building		263,700		-		-		97			263,797		105,381		-		10,927		4.0		116,308		147,489

Machinery, equipment and tools		933,683		172,586		7,758		6,207			1,104,718		578,196		7,758		80,007	6.7 to 10			650,445		454,273

UT Machinery, equipment and tools		909		-		-		-			909		686		-		223	6.7 to 10			909		-

Computers and Telecommunication systems		4,177,609		3,440		-		662,582			4,843,631		3,420,768		-		221,927	6.7 to 20			3,642,695		1,200,936

Vehicles		455,370		80,860		24,497		-			511,733		320,725		23,144		41,452		20		339,033		172,700

Furniture		228,540		-		-		-			228,540		221,308		-		1,237		10		222,545		5,995

Materials		2,363,440		2,259,125		21,545		(1,458,699	)		3,142,321		-		-		-		-		-		3,142,321

Line pack		578,707		-		-		(84,156	)		494,551		27,646		-		-		-		27,646		466,905

Works in progress		9,216,602		15,722,143		-		(19,045,927	)		5,892,818		-		-		-		-		-		5,892,818

Total		124,700,420		18,838,338		247,963		-			143,290,795		65,189,557		147,105		3,695,615				68,738,067		74,552,728

	2018
	Cost											Depreciation
Account	Beginning of the year		Additions		Retirements		Transfers			End of the year		Accumulated at the beginning of the year		Retirements		For the year		rate %		Accumulated at the end of the year		Net book value
Pipelines		60,167,955		-		27,845		1,279,704			61,419,814		28,257,137		461		1,475,850		2.2		29,732,526		31,687,288

Compressor plants		22,369,570		-		474,819		1,574,029			23,468,780		15,721,120		429,105		968,930	3.3 to 25			16,260,945		7,207,835

Other plants		26,488		-		-		-			26,488		7,141		-		898		3.3		8,039		18,449

Stations of regulation and/or measurement of pressure		2,093,130		1,663		9,150		6,155			2,091,798		1,620,632		7,942		55,680		4.0		1,668,370		423,428

Other technical installations		407,598		-		2,046		8,165			413,717		346,264		2,046		8,833		6.7		353,051		60,666

Subtotal assets related to natural gas transportation service		85,064,741		1,663		513,860		2,868,053			87,420,597		45,952,294		439,554		2,510,191				48,022,931		39,397,666

Non-regulated segment Pipelines		124,829		-		-		-			124,829		61,868		-		1,494		2.2		63,362		61,467

Non-regulated segment Compressor plants		1,898,166		-		4,330		16,892			1,910,728		395,448		808		188,055	3.3 to 25			582,695		1,328,033

Non-regulated segment Other plants		13,744,847		9,207		1,029,228		601,575			13,326,401		10,676,085		950,340		250,711		3.3		9,976,456		3,349,945

Non-regulated segment Stations of regulation and/or measurement of pressure		160,534		-		-		-			160,534		25,765		-		6,421		4.0		32,186		128,348

Non-regulated segment Other technical installations		254,016		-		-		-			254,016		52,658		-		22,867		6.7		75,525		178,491

Subtotal assets related to Other Services and Production and Commercialization of Liquids		16,182,392		9,207		1,033,558		618,467			15,776,508		11,211,824		951,148		469,548				10,730,224		5,046,284

Lands		110,509		54,627		-		-			165,136		-		-		-		-		-		165,136

Buildings and constructions		3,053,615		-		73,980		139,984			3,119,619		1,765,318		58,701		55,075		2.0		1,761,692		1,357,927

Facilities and features in building		255,239		-		18,078		26,539			263,700		103,710		9,419		11,090		4.0		105,381		158,319

Machinery, equipment and tools		790,333		199,925		73,467		16,892			933,683		609,507		73,206		41,895	6.7 to 10			578,196		355,487

UT Machinery, equipment and tools		-		909		-		-			909		-		-		686	6.7 to 10			686		223

Computers and Telecommunication systems		5,762,314		258		2,085,323		500,360			4,177,609		5,203,218		2,078,177		295,727	6.7 to 20			3,420,768		756,841

Vehicles		405,725		58,593		8,948		-			455,370		294,870		8,465		34,320		20		320,725		134,645

Furniture		228,380		-		-		160			228,540		220,020		-		1,288		10		221,308		7,232

Materials		2,419,633		880,423		55,307		(881,309	)		2,363,440		-		-		-		-		-		2,363,440

Line pack		236,471		-		-		342,236			578,707		27,646		-		-		-		27,646		551,061

Works in progress		3,429,298		9,418,686		-		(3,631,382	)		9,216,602		-		-		-		-		-		9,216,602

Total		117,938,650		10,624,291		3,862,521		-			124,700,420		65,388,407		3,618,670		3,419,820				65,189,557		59,510,863

Disclosure of Financial Lease under Terms of Leasing Contracts

As of December 31, 2018, the assets allocated to the natural gas treatment and compression service include the following amounts in which the Company is a financial lease under the terms of leasing contracts:

	2018
Capitalized financial lease		2,501,165
Accumulated depreciaton		(560,091	)
Total		1,941,074

Disclosure of quantitative information about right-of-use assets [text block]

As of December 31, 2019 and January 1, 2019, date of the first application of IFRS 16, the assets related to the Other Services and Production and Commercialization of Liquids segments contains the following assets for right of use:

	12/31/2019		1/1/2019
Other plants		448,306		515,552
Compressor plants		1,113,024		1,279,978
Other technical installations		126,560		145,544
Total		1,687,890		1,941,074

The book value variation of the rights-of use accounted during the year ended on December 31, 2019 corresponds to its depreciation:

	12/31/2019
Other plants		(67,246	)
Compressor plants		(166,954	)
Other technical installations		(18,984	)
Total		(253,184	)