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Balances and Transactions with Related Parties - Information Detailed in the Tables below Shows the Balances with Associates and Joint Ventures (Detail) - ARS ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Disclosure of balance and transactions with related parties [line items] |  |  |
Other receivables Current | $ 36,192 | $ 21,867 | $ 12,684
Trade receivables Current | 118,077 | 72,646 | 40,649
Accounts payable Current | 148,595 | 84,225 | 45,911
Revenues | 678,595 | 435,820 | 252,813
Purchases and services | 575,608 | 359,570 | 211,812
Current contract liabilities | 7,404 | 4,996 | 1,460
Joint ventures [Member] |  |  |
Disclosure of balance and transactions with related parties [line items] |  |  |
Other receivables Current | 364 | 2,115 | 191
Trade receivables Current | 6,898 | 5,493 | 1,423
Accounts payable Current | 2,840 | 1,891 | 423
Revenues | 23,496 | 15,786 | 5,911
Purchases and services | 9,580 | 4,423 | 1,998
Net interest income (loss) | (16) | 47 | 10
Current contract liabilities | 679 |  |
Associates [member] |  |  |
Disclosure of balance and transactions with related parties [line items] |  |  |
Other receivables Current | 103 | 676 | 600
Trade receivables Current | 1,469 | 982 | 359
Accounts payable Current | 968 | 677 | 318
Revenues | 4,620 | 2,486 | 1,044
Purchases and services | 6,023 | 3,124 | 1,669
Net interest income (loss) | 162 | 217 | 51
Joint Ventures and Associates [Member] |  |  |
Disclosure of balance and transactions with related parties [line items] |  |  |
Other receivables Current | 467 | 2,791 | 791
Trade receivables Current | 8,367 | 6,475 | 1,782
Accounts payable Current | 3,808 | 2,568 | 741
Revenues | 28,116 | 18,272 | 6,955
Purchases and services | 15,603 | 7,547 | 3,667
Net interest income (loss) | 146 | 264 | 61
Current contract liabilities | 679 |  |
CDS [member] | Associates [member] |  |  |
Disclosure of balance and transactions with related parties [line items] |  |  |
Trade receivables Current | 1,063 | 518 | 122
Revenues | 1,955 | 565 | 102
Purchases and services | 1 |  |
YPF Gas [member] | Associates [member] |  |  |
Disclosure of balance and transactions with related parties [line items] |  |  |
Other receivables Current | 90 | 637 | 589
Trade receivables Current | 317 | 414 | 230
Accounts payable Current | 73 | 62 | 15
Revenues | 2,217 | 1,608 | 863
Purchases and services | 252 | 104 | 51
Net interest income (loss) | 162 | 217 | 51
Oldelval [member] | Associates [member] |  |  |
Disclosure of balance and transactions with related parties [line items] |  |  |
Trade receivables Current | 77 | 34 |
Accounts payable Current | 401 | 272 | 131
Revenues | 238 | 103 |
Purchases and services | 2,192 | 1,167 | 596
Termap [member] | Associates [member] |  |  |
Disclosure of balance and transactions with related parties [line items] |  |  |
Accounts payable Current | 182 | 102 | 52
Revenues |  | 6 |
Purchases and services | 1,302 | 666 | 366
OTA [member] | Associates [member] |  |  |
Disclosure of balance and transactions with related parties [line items] |  |  |
Other receivables Current | 9 | 5 |
Accounts payable Current | 14 | 14 | 5
Revenues | 1 | 1 |
Purchases and services | 80 | 47 | 25
OTC [member] | Associates [member] |  |  |
Disclosure of balance and transactions with related parties [line items] |  |  |
Other receivables Current | 4 | 7 | 5
GPA [member] | Associates [member] |  |  |
Disclosure of balance and transactions with related parties [line items] |  |  |
Other receivables Current |  | 4 | 4
Accounts payable Current | 99 | 80 | 19
Purchases and services | 845 | 363 | 202
Oiltanking [member] | Associates [member] |  |  |
Disclosure of balance and transactions with related parties [line items] |  |  |
Other receivables Current |  | 21 |
Accounts payable Current | 198 | 147 | 96
Revenues | 3 | 4 | 1
Purchases and services | 1,350 | 777 | 428
Gas Austral S.A. [member] | Associates [member] |  |  |
Disclosure of balance and transactions with related parties [line items] |  |  |
Other receivables Current |  | 2 | 2
Trade receivables Current | 12 | 16 | 7
Accounts payable Current | 1 |  |
Revenues | 206 | 199 | 78
Purchases and services | 1 |  | 1
Profertil [member] | Joint ventures [Member] |  |  |
Disclosure of balance and transactions with related parties [line items] |  |  |
Other receivables Current | 12 | 2 | 107
Trade receivables Current | 587 | 461 | 239
Accounts payable Current | 114 | 428 | 215
Revenues | 4,418 | 2,751 | 906
Purchases and services | 3,044 | 1,964 | 901
MEGA [Member] | Joint ventures [Member] |  |  |
Disclosure of balance and transactions with related parties [line items] |  |  |
Trade receivables Current | 2,995 | 2,441 | 925
Accounts payable Current | 350 | 6 | 149
Revenues | 10,672 | 8,150 | 4,058
Purchases and services | 1,854 | 438 | 814
Refinor [member] | Joint ventures [Member] |  |  |
Disclosure of balance and transactions with related parties [line items] |  |  |
Trade receivables Current | 956 | 770 | 224
Accounts payable Current | 123 | 5 | 8
Revenues | 3,310 | 2,594 | 838
Purchases and services | 481 | 323 | 225
Net interest income (loss) | (16) |  | 10
Bizoy SA [Member] | Joint ventures [Member] |  |  |
Disclosure of balance and transactions with related parties [line items] |  |  |
Other receivables Current |  | 11 | 5
Trade receivables Current | 17 |  |
Revenues |  |  | 1
Y-GEN I [member] | Joint ventures [Member] |  |  |
Disclosure of balance and transactions with related parties [line items] |  |  |
Other receivables Current |  |  | 57
Trade receivables Current |  | 2 |
Revenues | 5 | 4 | 34
Y-GEN II [member] | Joint ventures [Member] |  |  |
Disclosure of balance and transactions with related parties [line items] |  |  |
Other receivables Current |  |  | 22
Revenues |  |  | 41
YPF EE [member] | Joint ventures [Member] |  |  |
Disclosure of balance and transactions with related parties [line items] |  |  |
Other receivables Current | 296 | 218 |
Trade receivables Current | 2,278 | 1,552 |
Accounts payable Current | 2,183 | 1,301 |
Revenues | 5,016 | 2,064 |
Purchases and services | 3,862 | 1,548 |
Net interest income (loss) |  | 47 |
Current contract liabilities | 679 |  |
Petrofaro S.A. [member] | Joint ventures [Member] |  |  |
Disclosure of balance and transactions with related parties [line items] |  |  |
Trade receivables Current | 6 | 267 | 35
Accounts payable Current |  | 151 | 51
Revenues | 9 | 223 | 33
Purchases and services | 23 | 150 | $ 58
OLCLP [member] | Joint ventures [Member] |  |  |
Disclosure of balance and transactions with related parties [line items] |  |  |
Other receivables Current | 56 | $ 1,884 |
Trade receivables Current | 59 |  |
Accounts payable Current | 70 |  |
Revenues | 66 |  |
Purchases and services | $ 316 |  |

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