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Right-of-use Assets -Summary of Evolution of the Group's Right-of-use Assets (Detail) - ARS ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Disclosure of quantitative information about right-of-use assets [line items] |  |
Balances | $ 61,391 |
Increases | 11,421 | $ 39,779
Balances | 44,081 | 61,391
Land and buildings [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Balances | 773 |
Balances | 622 | 773
Exploitation Facilities and Equipment [Member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Balances | 16,604 |
Balances | 14,965 | 16,604
Machinery and equipment [Member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Balances | 29,225 |
Balances | 15,297 | 29,225
Gas Stations [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Balances | 4,646 |
Balances | 5,506 | 4,646
Transportation equipment [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Balances | 10,143 |
Balances | 7,691 | 10,143
Initial application of IFRS 16 [Member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Balances |  | 23,059
Initial application of IFRS 16 [Member] | Land and buildings [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Balances |  | 450
Initial application of IFRS 16 [Member] | Exploitation Facilities and Equipment [Member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Balances |  | 6,732
Initial application of IFRS 16 [Member] | Machinery and equipment [Member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Balances |  | 8,612
Initial application of IFRS 16 [Member] | Gas Stations [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Balances |  | 3,356
Initial application of IFRS 16 [Member] | Transportation equipment [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Balances |  | 3,909
Cost [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Increases | 11,421 | 39,779
Decreases and reclassifications | (35,057) | (2,548)
Translation differences | 28,095 | 15,318
Adjustment for inflation | 328 | 275
Right of use assets | 80,670 | 75,883
Cost [member] | Land and buildings [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Increases | 11 | 266
Decreases and reclassifications | (90) |
Translation differences | 396 | 310
Adjustment for inflation | 7 |
Right of use assets | 1,350 | 1,026
Cost [member] | Exploitation Facilities and Equipment [Member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Increases | 4,116 | 13,129
Decreases and reclassifications | (9,212) | (1,162)
Translation differences | 9,187 | 4,587
Right of use assets | 27,377 | 23,286
Cost [member] | Machinery and equipment [Member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Increases | 4,781 | 19,429
Decreases and reclassifications | (23,984) | (1,264)
Translation differences | 11,275 | 6,189
Right of use assets | 25,038 | 32,966
Cost [member] | Gas Stations [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Increases | 97 | 163
Decreases and reclassifications |  | (58)
Translation differences | 1,863 | 1,687
Adjustment for inflation | 321 | 275
Right of use assets | 7,704 | 5,423
Cost [member] | Transportation equipment [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Increases | 2,416 | 6,792
Decreases and reclassifications | (1,771) | (64)
Translation differences | 5,374 | 2,545
Right of use assets | 19,201 | 13,182
Accumulated depreciation [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Increases | 21,662 | 12,530
Decreases and reclassifications | (8,870) | (807)
Translation differences | 9,232 | 2,769
Adjustment for inflation | 73 |
Right of use assets | 36,589 | 14,492
Accumulated depreciation [member] | Land and buildings [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Increases | 325 | 208
Decreases and reclassifications | (10) |
Translation differences | 155 | 45
Adjustment for inflation | 5 |
Right of use assets | 728 | 253
Accumulated depreciation [member] | Exploitation Facilities and Equipment [Member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Increases | 7,315 | 6,051
Decreases and reclassifications | (5,260) | (507)
Translation differences | 3,675 | 1,138
Right of use assets | 12,412 | 6,682
Accumulated depreciation [member] | Machinery and equipment [Member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Increases | 6,336 | 3,174
Decreases and reclassifications | (2,833) | (283)
Translation differences | 2,497 | 850
Right of use assets | 9,741 | 3,741
Accumulated depreciation [member] | Gas Stations [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Increases | 973 | 667
Decreases and reclassifications |  | (7)
Translation differences | 380 | 117
Adjustment for inflation | 68 |
Right of use assets | 2,198 | 777
Accumulated depreciation [member] | Transportation equipment [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Increases | 6,713 | 2,430
Decreases and reclassifications | (767) | (10)
Translation differences | 2,525 | 619
Right of use assets | $ 11,510 | $ 3,039

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- Definition The amount of additions to right-of-use assets. [Refer: Right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2020-01-01 -Paragraph 53 -Subparagraph h -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2020-en-r&anchor=para_53_h&doctype=Standard -URIDate 2020-01-01 + Details
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