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SEGMENT INFORMATION (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
IfrsStatementLineItems [Line Items] |  |  |
Gross profit | $ 681 | $ 553 | $ 410
Other operating income | 131 | 105 | 51
Other operating expenses | (46) | (58) | (36)
Share of profit from associates and joint ventures | 105 | 117 | 85
Operating income (loss) | 631 | 579 | 243
Financial income | 5 | 10 | 9
Other financial results | 166 | (14) | 84
Financial results, net | (50) | (189) | (84)
Profit (loss) before income tax | 581 | 390 | 159
Profit (loss) of the year | 457 | 238 | (468)
Total profit (loss) of the year attributable to: |  |  |
Owners of the company | 456 | 273 | (367)
Non-controlling interest | 1 | (35) | (101)
Profit (loss) of the year from continuing operations | 457 | 313 | 124
Loss of the year from discontinued operations |  | (75) | (592)
Generation [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Revenue - local market | 663 | 656 | 559
Revenue - foreign market |  |  |
Intersegment revenue |  |  |
Cost of sales | (370) | (355) | (254)
Gross profit | 293 | 301 | 305
Selling expenses | (3) | (2) | (2)
Administrative expenses | (39) | (31) | (30)
Other operating income | 25 | 42 | 35
Other operating expenses | (5) | (5) | (6)
Impairment of property, plant and equipment, intangible assets and inventories |  |  |
Impairment of financial assets |  |  |
Share of profit from associates and joint ventures | 65 | 47 | 67
Operating income (loss) | 336 | 350 | 241
Financial income | 1 | 4 | 3
Financial costs | (82) | (46) | (73)
Other financial results | 72 | (14) | 1
Financial results, net | (9) | (56) | (69)
Profit (loss) before income tax | 327 | 294 | 172
Income tax | (73) | (75) | (33)
Profit (loss) of the year | 254 | 219 | 139
Depreciation and amortization | 82 | 88 | 95
Total profit (loss) of the year attributable to: |  |  |
Owners of the company | 253 | 218 | 147
Non-controlling interest | 1 | 1 | (8)
Assets | 2,464 | 1,670 | 1,595
Liabilities | 979 | 525 | 707
Net book values of property, plant and equipment | 1,299 | 969 | 1,015
Increases in property, plant and equipment and right-of-use assets | 115 | 39 | 61
Impairment of property, plant and equipment, intangible assets and inventories |  | (2) | (128)
Profit (loss) of the year from continuing operations |  | 219 | 139
Loss of the year from discontinued operations |  |  |
Oil And Gas Segment [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Revenue - local market | 370 | 282 | 199
Revenue - foreign market | 159 | 58 | 28
Intersegment revenue | 117 | 113 | 67
Cost of sales | (359) | (289) | (243)
Gross profit | 287 | 164 | 51
Selling expenses | (36) | (18) | (15)
Administrative expenses | (60) | (46) | (42)
Other operating income | 61 | 58 | 9
Other operating expenses | (26) | (28) | (17)
Impairment of property, plant and equipment, intangible assets and inventories | (30) |  |
Impairment of financial assets | (2) |  | (13)
Share of profit from associates and joint ventures |  |  |
Operating income (loss) | 194 | 130 | (27)
Financial income | 2 | 3 | 7
Financial costs | (107) | (103) | (100)
Other financial results | (28) | (16) | 44
Financial results, net | (133) | (116) | (49)
Profit (loss) before income tax | 61 | 14 | (76)
Income tax | (16) | 8 | 23
Profit (loss) of the year | 45 | 22 | (53)
Depreciation and amortization | 125 | 114 | 108
Total profit (loss) of the year attributable to: |  |  |
Owners of the company | 45 | 22 | (53)
Non-controlling interest |  |  |
Assets | 1,234 | 1,157 | 1,085
Liabilities | 1,248 | 1,324 | 1,174
Net book values of property, plant and equipment | 807 | 636 | 543
Increases in property, plant and equipment and right-of-use assets | 324 | 213 | 41
Impairment of property, plant and equipment, intangible assets and inventories |  |  |
Profit (loss) of the year from continuing operations |  | 22 | (53)
Loss of the year from discontinued operations |  |  |
Petrochemicals [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Revenue - local market | 425 | 310 | 178
Revenue - foreign market | 192 | 180 | 89
Intersegment revenue |  |  |
Cost of sales | (536) | (424) | (233)
Gross profit | 81 | 66 | 34
Selling expenses | (17) | (13) | (9)
Administrative expenses | (5) | (4) | (3)
Other operating income | 1 | 1 |
Other operating expenses | (6) | (3) | (6)
Impairment of property, plant and equipment, intangible assets and inventories | (2) |  |
Impairment of financial assets |  |  | 1
Share of profit from associates and joint ventures |  |  |
Operating income (loss) | 52 | 45 | 6
Financial income |  |  |
Financial costs | (3) | (3) | (3)
Other financial results | 6 | (2) | 5
Financial results, net | 3 | (5) | 2
Profit (loss) before income tax | 55 | 40 | 8
Income tax | (15) | (12) | (2)
Profit (loss) of the year | 40 | 28 | 6
Depreciation and amortization | 5 | 3 | 2
Total profit (loss) of the year attributable to: |  |  |
Owners of the company | 40 | 28 | 6
Non-controlling interest |  |  |
Assets | 177 | 176 | 107
Liabilities | 147 | 166 | 126
Net book values of property, plant and equipment | 24 | 22 | 19
Increases in property, plant and equipment and right-of-use assets | 7 | 6 | 3
Impairment of property, plant and equipment, intangible assets and inventories |  | (2) | (11)
Profit (loss) of the year from continuing operations |  | 28 | 6
Loss of the year from discontinued operations |  |  |
Holding And Others [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Revenue - local market | 20 | 22 | 20
Revenue - foreign market |  |  |
Intersegment revenue |  |  |
Cost of sales |  |  |
Gross profit | 20 | 22 | 20
Selling expenses |  |  |
Administrative expenses | (34) | (18) | (18)
Other operating income | 44 | 4 | 7
Other operating expenses | (9) | (22) | (7)
Impairment of property, plant and equipment, intangible assets and inventories | (6) |  |
Impairment of financial assets | (6) | (2) | 3
Share of profit from associates and joint ventures | 40 | 70 | 18
Operating income (loss) | 49 | 54 | 23
Financial income | 9 | 4 | 1
Financial costs | (36) | (34) | (3)
Other financial results | 116 | 18 | 34
Financial results, net | 89 | (12) | 32
Profit (loss) before income tax | 138 | 42 | 55
Income tax | (20) | 2 | (23)
Profit (loss) of the year | 118 | 44 | 32
Depreciation and amortization |  |  |
Total profit (loss) of the year attributable to: |  |  |
Owners of the company | 118 | 44 | 32
Non-controlling interest |  |  |
Assets | 1,029 | 1,067 | 832
Liabilities | 245 | 264 | 178
Net book values of property, plant and equipment | 34 | 32 | 33
Increases in property, plant and equipment and right-of-use assets | 36 | 6 | 2
Impairment of property, plant and equipment, intangible assets and inventories |  |  |
Profit (loss) of the year from continuing operations |  | 44 | 32
Loss of the year from discontinued operations |  |  |
Eliminations [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Revenue - local market |  |  |
Revenue - foreign market |  |  |
Intersegment revenue | (117) | (113) | (67)
Cost of sales | 117 | 113 | 67
Gross profit |  |  |
Selling expenses |  |  |
Administrative expenses |  |  |
Other operating income |  |  |
Other operating expenses |  |  |
Impairment of property, plant and equipment, intangible assets and inventories |  |  |
Impairment of financial assets |  |  |
Share of profit from associates and joint ventures |  |  |
Operating income (loss) |  |  |
Financial income | (7) | (1) | (2)
Financial costs | 7 | 1 | 2
Other financial results |  |  |
Financial results, net |  |  |
Profit (loss) 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 | (162) | (209) | (85)
Liabilities | (161) | (209) | (85)
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 |  |  |
Profit (loss) of the year from continuing operations |  |  |
Loss of the year from discontinued operations |  |  |
Consolidateds [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Revenue - local market | 1,478 | 1,270 | 956
Revenue - foreign market | 351 | 238 | 117
Intersegment revenue |  |  |
Cost of sales | (1,148) | (955) | (663)
Gross profit | 681 | 553 | 410
Selling expenses | (56) | (33) | (26)
Administrative expenses | (138) | (99) | (93)
Other operating income | 131 | 105 | 51
Other operating expenses | (46) | (58) | (36)
Impairment of property, plant and equipment, intangible assets and inventories | (38) |  |
Impairment of financial assets | (8) | (2) | (9)
Share of profit from associates and joint ventures | 105 | 117 | 85
Operating income (loss) | 631 | 579 | 243
Financial income | 5 | 10 | 9
Financial costs | (221) | (185) | (177)
Other financial results | 166 | (14) | 84
Financial results, net | (50) | (189) | (84)
Profit (loss) before income tax | 581 | 390 | 159
Income tax | (124) | (77) | (35)
Profit (loss) of the year | 457 | 238 | (468)
Depreciation and amortization | 212 | 205 | 286
Total profit (loss) of the year attributable to: |  |  |
Owners of the company | 456 | 273 | (367)
Non-controlling interest | 1 | (35) | (101)
Assets | 4,742 | 3,861 | 4,890
Liabilities | 2,458 | 2,070 | 3,121
Net book values of property, plant and equipment | 2,164 | 1,659 | 1,610
Increases in property, plant and equipment and right-of-use assets | $ 482 | 264 | 242
Impairment of property, plant and equipment, intangible assets and inventories |  | (4) | (139)
Profit (loss) of the year from continuing operations |  | 313 | 124
Loss of the year from discontinued operations |  | (75) | (592)
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 |  |  |
Impairment of financial assets |  |  |
Share of profit from associates and joint ventures |  |  |
Operating income (loss) |  |  |
Financial income |  |  |
Financial costs |  |  |
Other financial results |  |  |
Financial results, net |  |  |
Profit (loss) before income tax |  |  |
Income tax |  |  |
Profit (loss) of the year |  | (75) | (592)
Depreciation and amortization |  |  | 81
Total profit (loss) of the year attributable to: |  |  |
Owners of the company |  | (39) | (499)
Non-controlling interest |  | (36) | (93)
Assets |  |  | 1,356
Liabilities |  |  | 1,021
Net book values of property, plant and equipment |  |  |
Increases in property, plant and equipment and right-of-use assets |  |  | 135
Impairment of property, plant and equipment, intangible assets and inventories |  |  |
Profit (loss) of the year from continuing operations |  |  |
Loss of the year from discontinued operations |  | $ (75) | $ (592)

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