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SEGMENT INFORMATION (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
IfrsStatementLineItems [Line Items] |  |  |
Gross profit | $ 625 | $ 690 | $ 557
Exploration expenses | 7 |  |
Other operating income | 177 | 131 | 105
Other operating expenses | (88) | (46) | (58)
Share of profit from associates and joint ventures | (2) | 105 | 100
Operating income | 424 | 631 | 579
Financial income | 5 | 5 | 10
Other financial results | 558 | 166 | (14)
Financial results, net | 199 | (50) | (189)
Profit before income tax | 623 | 581 | 390
Profit (loss) of the year | 305 | 457 | 238
Total profit (loss) of the year attributable to: |  |  |
Owners of the company | 302 | 456 | 273
Non-controlling interest | 3 | 1 | (35)
Profit of the year from continuing operations | 305 | 457 | 313
Loss of the year from discontinued operations |  |  | (75)
Generation [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Revenue - local market | 648 | 663 | 656
Revenue - foreign market |  |  |
Intersegment revenue |  |  |
Cost of sales | (354) | (370) | (355)
Gross profit | 294 | 293 | 301
Selling expenses | (2) | (3) | (2)
Administrative expenses | (50) | (39) | (31)
Exploration expenses |  |  |
Other operating income | 75 | 25 | 42
Other operating expenses | (27) | (5) | (5)
(Impairment) Recovery of impairment of property, plant and equipment, intangible assets and inventories |  |  |
Share of profit from associates and joint ventures | (18) | 65 | 47
Profit from sale of companies´ interest |  |  |
Operating income | 272 | 336 | 350
Financial income | 2 | 1 | 4
Financial costs | (119) | (82) | (46)
Other financial results | 280 | 72 | (14)
Financial results, net | 163 | (9) | (56)
Profit before income tax | 435 | 327 | 294
Income tax | (225) | (73) | (75)
Profit (loss) of the year | 210 | 254 | 219
Depreciation and amortization | 96 | 82 | 88
Total profit (loss) of the year attributable to: |  |  |
Owners of the company | 207 | 253 | 218
Non-controlling interest | 3 | 1 | 1
Assets | 2,684 | 2,464 | 1,670
Liabilities | 729 | 979 | 525
Net book values of property, plant and equipment | 1,345 | 1,299 | 969
Increases in property, plant and equipment and right-of-use assets | 259 |  |
Impairment of property, plant and equipment, intangible assets and inventories |  |  |
Impairment of financial assets |  |  |
Increases in property, plant and equipment, intangible assets and right-of-use assets |  | 115 | 39
Impairment of intangible assets and inventories |  |  | (2)
Recovery of impairment of financial assets |  |  |
Profit from acquisition of companies´ interest |  |  |
Profit of the year from continuing operations |  |  | 219
Loss of the year from discontinued operations |  |  |
Oil And Gas Segment [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Revenue - local market | 402 | 370 | 282
Revenue - foreign market | 161 | 159 | 58
Intersegment revenue | 103 | 117 | 113
Cost of sales | (412) | (350) | (285)
Gross profit | 254 | 296 | 168
Selling expenses | (49) | (45) | (22)
Administrative expenses | (74) | (60) | (46)
Exploration expenses | (7) |  |
Other operating income | 86 | 61 | 58
Other operating expenses | (32) | (26) | (28)
(Impairment) Recovery of impairment of property, plant and equipment, intangible assets and inventories | (38) |  |
Share of profit from associates and joint ventures |  |  |
Profit from sale of companies´ interest |  |  |
Operating income | 140 | 194 | 130
Financial income | 2 | 2 | 3
Financial costs | (203) | (107) | (103)
Other financial results | (15) | (28) | (16)
Financial results, net | (216) | (133) | (116)
Profit before income tax | (76) | 61 | 14
Income tax | 29 | (16) | 8
Profit (loss) of the year | (47) | 45 | 22
Depreciation and amortization | 166 | 125 | 114
Total profit (loss) of the year attributable to: |  |  |
Owners of the company | (47) | 45 | 22
Non-controlling interest |  |  |
Assets | 1,396 | 1,234 | 1,157
Liabilities | 1,213 | 1,248 | 1,324
Net book values of property, plant and equipment | 1,138 | 807 | 636
Increases in property, plant and equipment and right-of-use assets | 556 |  |
Impairment of property, plant and equipment, intangible assets and inventories |  | (30) |
Impairment of financial assets |  | (2) |
Increases in property, plant and equipment, intangible assets and right-of-use assets |  | 324 | 213
Impairment of intangible assets and inventories |  |  |
Recovery of impairment of financial assets |  |  |
Profit from acquisition of companies´ interest |  |  |
Profit of the year from continuing operations |  |  | 22
Loss of the year from discontinued operations |  |  |
Petrochemicals [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Revenue - local market | 359 | 425 | 310
Revenue - foreign market | 148 | 192 | 180
Intersegment revenue |  |  |
Cost of sales | (444) | (536) | (424)
Gross profit | 63 | 81 | 66
Selling expenses | (15) | (17) | (13)
Administrative expenses | (6) | (5) | (4)
Exploration expenses |  |  |
Other operating income | 13 | 1 | 1
Other operating expenses | (7) | (6) | (3)
(Impairment) Recovery of impairment of property, plant and equipment, intangible assets and inventories | (3) |  |
Share of profit from associates and joint ventures |  |  |
Profit from sale of companies´ interest |  |  |
Operating income | 45 | 52 | 45
Financial income |  |  |
Financial costs | (3) | (3) | (3)
Other financial results | 15 | 6 | (2)
Financial results, net | 12 | 3 | (5)
Profit before income tax | 57 | 55 | 40
Income tax | (27) | (15) | (12)
Profit (loss) of the year | 30 | 40 | 28
Depreciation and amortization | 5 | 5 | 3
Total profit (loss) of the year attributable to: |  |  |
Owners of the company | 30 | 40 | 28
Non-controlling interest |  |  |
Assets | 157 | 177 | 176
Liabilities | 137 | 147 | 166
Net book values of property, plant and equipment | 27 | 24 | 22
Increases in property, plant and equipment and right-of-use assets | 7 |  |
Impairment of property, plant and equipment, intangible assets and inventories |  | (2) |
Impairment of financial assets |  |  |
Increases in property, plant and equipment, intangible assets and right-of-use assets |  | 7 | 6
Impairment of intangible assets and inventories |  |  | (2)
Recovery of impairment of financial assets |  |  |
Profit from acquisition of companies´ interest |  |  |
Profit of the year from continuing operations |  |  | 28
Loss of the year from discontinued operations |  |  |
Holding And Others [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Revenue - local market | 14 | 20 | 22
Revenue - foreign market |  |  |
Intersegment revenue |  |  |
Cost of sales |  |  |
Gross profit | 14 | 20 | 22
Selling expenses |  |  |
Administrative expenses | (55) | (38) | (21)
Exploration expenses |  |  |
Other operating income | 3 | 44 | 4
Other operating expenses | (22) | (9) | (22)
(Impairment) Recovery of impairment of property, plant and equipment, intangible assets and inventories | 2 |  |
Share of profit from associates and joint ventures | 16 | 40 | 53
Profit from sale of companies´ interest | 9 |  |
Operating income | (33) | 49 | 54
Financial income | 7 | 9 | 4
Financial costs | (45) | (36) | (34)
Other financial results | 278 | 116 | 18
Financial results, net | 240 | 89 | (12)
Profit before income tax | 207 | 138 | 42
Income tax | (95) | (20) | 2
Profit (loss) of the year | 112 | 118 | 44
Depreciation and amortization |  |  |
Total profit (loss) of the year attributable to: |  |  |
Owners of the company | 112 | 118 | 44
Non-controlling interest |  |  |
Assets | 631 | 1,029 | 1,067
Liabilities | 376 | 245 | 264
Net book values of property, plant and equipment | 34 | 34 | 32
Increases in property, plant and equipment and right-of-use assets | 5 |  |
Impairment of property, plant and equipment, intangible assets and inventories |  | (6) |
Impairment of financial assets |  | (2) |
Increases in property, plant and equipment, intangible assets and right-of-use assets |  | 36 | 6
Impairment of intangible assets and inventories |  |  |
Recovery of impairment of financial assets |  |  | 1
Profit from acquisition of companies´ interest |  |  | 17
Profit of the year from continuing operations |  |  | 44
Loss of the year from discontinued operations |  |  |
Eliminations [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Revenue - local market |  |  |
Revenue - foreign market |  |  |
Intersegment revenue | (103) | (117) | (113)
Cost of sales | 103 | 117 | 113
Gross profit |  |  |
Selling expenses |  |  |
Administrative expenses |  |  |
Exploration expenses |  |  |
Other operating income |  |  |
Other operating expenses |  |  |
(Impairment) Recovery of impairment of property, plant and equipment, intangible assets and inventories |  |  |
Share of profit from associates and joint ventures |  |  |
Profit from sale of companies´ interest |  |  |
Operating income |  |  |
Financial income | (6) | (7) | (1)
Financial costs | 6 | 7 | 1
Other financial results |  |  |
Financial results, net |  |  |
Profit before income tax |  |  |
Income tax |  |  |
Profit (loss) of the year |  |  |
Depreciation and amortization |  |  |
Total profit (loss) of the year attributable to: |  |  |
Owners of the company |  |  |
Non-controlling interest |  |  |
Assets | (146) | (162) | (209)
Liabilities | (146) | (161) | (209)
Net book values of property, plant and equipment |  |  |
Increases in property, plant and equipment and right-of-use assets |  |  |
Impairment of property, plant and equipment, intangible assets and inventories |  |  |
Impairment of financial assets |  |  |
Increases in property, plant and equipment, intangible assets and right-of-use assets |  |  |
Impairment of intangible assets and inventories |  |  |
Recovery of impairment of financial assets |  |  |
Profit from acquisition of companies´ interest |  |  |
Profit of the year from continuing operations |  |  |
Loss of the year from discontinued operations |  |  |
Consolidateds [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Revenue - local market | 1,423 | 1,478 | 1,270
Revenue - foreign market | 309 | 351 | 238
Intersegment revenue |  |  |
Cost of sales | (1,107) | (1,139) | (951)
Gross profit | 625 | 690 | 557
Selling expenses | (66) | (65) | (37)
Administrative expenses | (185) | (142) | (102)
Exploration expenses | (7) |  |
Other operating income | 177 | 131 | 105
Other operating expenses | (88) | (46) | (58)
(Impairment) Recovery of impairment of property, plant and equipment, intangible assets and inventories | (39) |  |
Share of profit from associates and joint ventures | (2) | 105 | 100
Profit from sale of companies´ interest | 9 |  |
Operating income | 424 | 631 | 579
Financial income | 5 | 5 | 10
Financial costs | (364) | (221) | (185)
Other financial results | 558 | 166 | (14)
Financial results, net | 199 | (50) | (189)
Profit before income tax | 623 | 581 | 390
Income tax | (318) | (124) | (77)
Profit (loss) of the year | 305 | 457 | 238
Depreciation and amortization | 267 | 212 | 205
Total profit (loss) of the year attributable to: |  |  |
Owners of the company | 302 | 456 | 273
Non-controlling interest | 3 | 1 | (35)
Assets | 4,722 | 4,742 | 3,861
Liabilities | 2,309 | 2,458 | 2,070
Net book values of property, plant and equipment | 2,544 | 2,164 | 1,659
Increases in property, plant and equipment and right-of-use assets | $ 827 |  |
Impairment of property, plant and equipment, intangible assets and inventories |  | (38) |
Impairment of financial assets |  | (4) |
Increases in property, plant and equipment, intangible assets and right-of-use assets |  | $ 482 | 264
Impairment of intangible assets and inventories |  |  | (4)
Recovery of impairment of financial assets |  |  | 1
Profit from acquisition of companies´ interest |  |  | 17
Profit of the year from continuing operations |  |  | 313
Loss of the year from discontinued operations |  |  | (75)
Distribution Of Energy [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Revenue - local market |  |  |
Revenue - foreign market |  |  |
Intersegment revenue |  |  |
Cost of sales |  |  |
Gross profit |  |  |
Selling expenses |  |  |
Administrative expenses |  |  |
Other operating income |  |  |
Other operating expenses |  |  |
Share of profit from associates and joint ventures |  |  |
Operating income |  |  |
Financial income |  |  |
Financial costs |  |  |
Other financial results |  |  |
Financial results, net |  |  |
Profit before income tax |  |  |
Income tax |  |  |
Profit (loss) of the year |  |  | (75)
Depreciation and amortization |  |  |
Total profit (loss) of the year attributable to: |  |  |
Owners of the company |  |  | (39)
Non-controlling interest |  |  | (36)
Assets |  |  |
Liabilities |  |  |
Net book values of property, plant and equipment |  |  |
Increases in property, plant and equipment, intangible assets and right-of-use assets |  |  |
Impairment of intangible assets and inventories |  |  |
Recovery of impairment of financial assets |  |  |
Profit from acquisition of companies´ interest |  |  |
Profit of the year from continuing operations |  |  |
Loss of the year from discontinued operations |  |  | $ (75)

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