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ESTIMATION OF FAIR VALUE - Measurements of fair value of assets on a recurring basis (Details) - COP ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
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Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | $ 327,859,383 | $ 301,181,596 |  |
Recurring fair value measurement [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 54,083,268 | 44,913,854 |  |
Recurring fair value measurement [member] | Other accounts receivable at fair value through profit or loss, mandatorily measured at fair value [member] | Financial assets at fair value through profit or loss, mandatorily measured at fair value, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 4,181,835 | 3,830,916 |  |
Recurring fair value measurement [member] | Service concession arrangement [member] | Financial assets at fair value through profit or loss, mandatorily measured at fair value, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 4,181,835 | 3,830,916 |  |
Recurring fair value measurement [member] | Debt securities [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 38,989,037 | 30,442,045 |  |
Recurring fair value measurement [member] | Debt securities [member] | Financial assets at fair value through profit or loss, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 11,938,839 | 7,115,269 |  |
Recurring fair value measurement [member] | Debt securities [member] | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 11,937,414 | 7,113,380 |  |
Recurring fair value measurement [member] | Debt securities [member] | Investment securities at fair value [member] | Financial assets measured at fair value through other comprehensive income, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 27,050,198 | 23,326,776 |  |
Recurring fair value measurement [member] | Securities issued or secured by Colombian Government | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 10,641,558 | 5,794,832 |  |
Recurring fair value measurement [member] | Securities issued or secured by Colombian Government | Investment securities at fair value [member] | Financial assets measured at fair value through other comprehensive income, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 18,267,908 | 16,790,793 |  |
Recurring fair value measurement [member] | Securities issued or secured by other Colombian Government entities | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 183,760 | 155,737 |  |
Recurring fair value measurement [member] | Securities issued or secured by other Colombian Government entities | Investment securities at fair value [member] | Financial assets measured at fair value through other comprehensive income, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 462,745 | 863,788 |  |
Recurring fair value measurement [member] | Securities issued or secured by foreign Governments | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 75,379 | 32,079 |  |
Recurring fair value measurement [member] | Securities issued or secured by foreign Governments | Investment securities at fair value [member] | Financial assets measured at fair value through other comprehensive income, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 4,502,810 | 2,507,038 |  |
Recurring fair value measurement [member] | Securities issued by central banks | Investment securities at fair value [member] | Financial assets measured at fair value through other comprehensive income, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 204,855 | 145,489 |  |
Recurring fair value measurement [member] | Securities issued or secured by other financial entities | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 1,002,194 | 1,084,461 |  |
Recurring fair value measurement [member] | Securities issued or secured by other financial entities | Investment securities at fair value [member] | Financial assets measured at fair value through other comprehensive income, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 2,626,783 | 2,142,647 |  |
Recurring fair value measurement [member] | Securities issued by entities of the non-financial sector entities | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 8,813 | 6,406 |  |
Recurring fair value measurement [member] | Securities issued by entities of the non-financial sector entities | Investment securities at fair value [member] | Financial assets measured at fair value through other comprehensive income, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 249,660 | 214,571 |  |
Recurring fair value measurement [member] | Other debt securities | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 25,710 | 39,865 |  |
Recurring fair value measurement [member] | Other debt securities | Investment securities at fair value [member] | Financial assets at fair value through profit or loss, mandatorily measured at fair value, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 1,425 | 1,889 |  |
Recurring fair value measurement [member] | Other debt securities | Investment securities at fair value [member] | Financial assets measured at fair value through other comprehensive income, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 735,437 | 662,450 |  |
Recurring fair value measurement [member] | Equity securities |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 8,677,809 | 7,377,523 |  |
Recurring fair value measurement [member] | Trading equity securities [member] | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 7,256,506 | 6,260,174 |  |
Recurring fair value measurement [member] | Equity investments [member] | Investment securities at fair value [member] | Investments in equity instruments designated at fair value through other comprehensive income [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 1,421,303 | 1,117,349 |  |
Recurring fair value measurement [member] | Derivatives [member] | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 969,294 | 2,077,567 |  |
Recurring fair value measurement [member] | Derivatives [member] | Hedging instruments [member] | Financial assets at fair value through profit or loss, mandatorily measured at fair value, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 54,019 | 48,662 |  |
Recurring fair value measurement [member] | Currency forward [member] | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 530,625 | 1,666,852 |  |
Recurring fair value measurement [member] | Currency forward [member] | Hedging instruments [member] | Financial assets at fair value through profit or loss, mandatorily measured at fair value, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 10,642 | 687 |  |
Recurring fair value measurement [member] | Bond forward [member] | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 117,053 | 19,258 |  |
Recurring fair value measurement [member] | Interest rate swap contract [member] | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 222,829 | 308,368 |  |
Recurring fair value measurement [member] | Interest rate swap contract [member] | Hedging instruments [member] | Financial assets at fair value through profit or loss, mandatorily measured at fair value, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 43,377 | 47,975 |  |
Recurring fair value measurement [member] | Currency swap contract [member] | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 58,475 | 20,195 |  |
Recurring fair value measurement [member] | Currency Options [member] | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 40,312 | 62,894 |  |
Recurring fair value measurement [member] | Non-financial assets [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 1,211,274 | 1,137,141 |  |
Recurring fair value measurement [member] | Biological assets [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 238,339 | 230,672 |  |
Recurring fair value measurement [member] | Investment property [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 972,935 | 906,469 |  |
Recurring fair value measurement [member] | Level 1 of fair value hierarchy [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 26,567,032 | 22,599,214 |  |
Recurring fair value measurement [member] | Level 1 of fair value hierarchy [member] | Debt securities [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 25,247,294 | 21,597,917 |  |
Recurring fair value measurement [member] | Level 1 of fair value hierarchy [member] | Debt securities [member] | Financial assets at fair value through profit or loss, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 10,606,156 | 5,693,319 |  |
Recurring fair value measurement [member] | Level 1 of fair value hierarchy [member] | Debt securities [member] | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 10,606,156 | 5,693,319 |  |
Recurring fair value measurement [member] | Level 1 of fair value hierarchy [member] | Debt securities [member] | Investment securities at fair value [member] | Financial assets measured at fair value through other comprehensive income, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 14,641,138 | 15,904,598 |  |
Recurring fair value measurement [member] | Level 1 of fair value hierarchy [member] | Securities issued or secured by Colombian Government | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 10,580,049 | 5,692,937 |  |
Recurring fair value measurement [member] | Level 1 of fair value hierarchy [member] | Securities issued or secured by Colombian Government | Investment securities at fair value [member] | Financial assets measured at fair value through other comprehensive income, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 13,391,650 | 14,223,066 |  |
Recurring fair value measurement [member] | Level 1 of fair value hierarchy [member] | Securities issued or secured by other Colombian Government entities | Investment securities at fair value [member] | Financial assets measured at fair value through other comprehensive income, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 52,253 | 538,200 |  |
Recurring fair value measurement [member] | Level 1 of fair value hierarchy [member] | Securities issued or secured by foreign Governments | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 26,107 | 382 |  |
Recurring fair value measurement [member] | Level 1 of fair value hierarchy [member] | Securities issued or secured by foreign Governments | Investment securities at fair value [member] | Financial assets measured at fair value through other comprehensive income, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 1,195,495 | 1,141,875 |  |
Recurring fair value measurement [member] | Level 1 of fair value hierarchy [member] | Other debt securities | Investment securities at fair value [member] | Financial assets measured at fair value through other comprehensive income, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 1,740 | 1,457 |  |
Recurring fair value measurement [member] | Level 1 of fair value hierarchy [member] | Equity securities |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 1,315,223 | 1,001,085 |  |
Recurring fair value measurement [member] | Level 1 of fair value hierarchy [member] | Trading equity securities [member] | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 12,711 | 8,949 |  |
Recurring fair value measurement [member] | Level 1 of fair value hierarchy [member] | Equity investments [member] | Investment securities at fair value [member] | Investments in equity instruments designated at fair value through other comprehensive income [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 1,302,512 | 992,136 |  |
Recurring fair value measurement [member] | Level 1 of fair value hierarchy [member] | Derivatives [member] | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 4,515 | 212 |  |
Recurring fair value measurement [member] | Level 1 of fair value hierarchy [member] | Interest rate swap contract [member] | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 4,515 | 212 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 18,808,725 | 14,574,468 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Debt securities [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 13,740,318 | 8,842,239 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Debt securities [member] | Financial assets at fair value through profit or loss, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 1,331,258 | 1,420,061 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Debt securities [member] | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 1,331,258 | 1,420,061 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Debt securities [member] | Investment securities at fair value [member] | Financial assets measured at fair value through other comprehensive income, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 12,409,060 | 7,422,178 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Securities issued or secured by Colombian Government | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 61,509 | 101,895 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Securities issued or secured by Colombian Government | Investment securities at fair value [member] | Financial assets measured at fair value through other comprehensive income, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 4,876,258 | 2,567,727 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Securities issued or secured by other Colombian Government entities | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 183,760 | 155,737 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Securities issued or secured by other Colombian Government entities | Investment securities at fair value [member] | Financial assets measured at fair value through other comprehensive income, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 410,492 | 325,588 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Securities issued or secured by foreign Governments | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 49,272 | 31,697 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Securities issued or secured by foreign Governments | Investment securities at fair value [member] | Financial assets measured at fair value through other comprehensive income, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 3,307,315 | 1,365,163 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Securities issued by central banks | Investment securities at fair value [member] | Financial assets measured at fair value through other comprehensive income, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 204,855 | 145,489 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Securities issued or secured by other financial entities | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 1,002,194 | 1,084,461 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Securities issued or secured by other financial entities | Investment securities at fair value [member] | Financial assets measured at fair value through other comprehensive income, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 2,626,783 | 2,142,647 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Securities issued by entities of the non-financial sector entities | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 8,813 | 6,406 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Securities issued by entities of the non-financial sector entities | Investment securities at fair value [member] | Financial assets measured at fair value through other comprehensive income, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 249,660 | 214,571 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Other debt securities | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 25,710 | 39,865 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Other debt securities | Investment securities at fair value [member] | Financial assets measured at fair value through other comprehensive income, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 733,697 | 660,993 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Equity securities |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 4,049,609 | 3,606,212 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Trading equity securities [member] | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 4,049,509 | 3,605,832 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Equity investments [member] | Investment securities at fair value [member] | Investments in equity instruments designated at fair value through other comprehensive income [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 100 | 380 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Derivatives [member] | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 964,779 | 2,077,355 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Derivatives [member] | Hedging instruments [member] | Financial assets at fair value through profit or loss, mandatorily measured at fair value, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 54,019 | 48,662 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Currency forward [member] | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 530,625 | 1,666,852 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Currency forward [member] | Hedging instruments [member] | Financial assets at fair value through profit or loss, mandatorily measured at fair value, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 10,642 | 687 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Bond forward [member] | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 117,053 | 19,258 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Interest rate swap contract [member] | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 218,314 | 308,156 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Interest rate swap contract [member] | Hedging instruments [member] | Financial assets at fair value through profit or loss, mandatorily measured at fair value, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 43,377 | 47,975 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Currency swap contract [member] | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 58,475 | 20,195 |  |
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Currency Options [member] | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 40,312 | 62,894 |  |
Recurring fair value measurement [member] | Level 3 of fair value hierarchy [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 8,707,511 | 7,740,172 |  |
Recurring fair value measurement [member] | Level 3 of fair value hierarchy [member] | Other accounts receivable at fair value through profit or loss, mandatorily measured at fair value [member] | Financial assets at fair value through profit or loss, mandatorily measured at fair value, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 4,181,835 | 3,830,916 |  |
Recurring fair value measurement [member] | Level 3 of fair value hierarchy [member] | Service concession arrangement [member] | Financial assets at fair value through profit or loss, mandatorily measured at fair value, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 4,181,835 | 3,830,916 |  |
Recurring fair value measurement [member] | Level 3 of fair value hierarchy [member] | Debt securities [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 1,425 | 1,889 | $ 1,383 | $ 88,821
Recurring fair value measurement [member] | Level 3 of fair value hierarchy [member] | Debt securities [member] | Financial assets at fair value through profit or loss, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 1,425 | 1,889 |  |
Recurring fair value measurement [member] | Level 3 of fair value hierarchy [member] | Other debt securities | Investment securities at fair value [member] | Financial assets at fair value through profit or loss, mandatorily measured at fair value, category [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 1,425 | 1,889 |  |
Recurring fair value measurement [member] | Level 3 of fair value hierarchy [member] | Equity securities |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 3,312,977 | 2,770,226 | 2,302,280 | 1,357,164
Recurring fair value measurement [member] | Level 3 of fair value hierarchy [member] | Trading equity securities [member] | Trading securities [member] | Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 3,194,286 | 2,645,393 |  |
Recurring fair value measurement [member] | Level 3 of fair value hierarchy [member] | Equity investments [member] | Investment securities at fair value [member] | Investments in equity instruments designated at fair value through other comprehensive income [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 118,691 | 124,833 |  |
Recurring fair value measurement [member] | Level 3 of fair value hierarchy [member] | Non-financial assets [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 1,211,274 | 1,137,141 |  |
Recurring fair value measurement [member] | Level 3 of fair value hierarchy [member] | Biological assets [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | 238,339 | 230,672 | 212,630 | 154,986
Recurring fair value measurement [member] | Level 3 of fair value hierarchy [member] | Investment property [member] |  |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |  |
Assets | $ 972,935 | $ 906,469 | $ 880,963 | $ 852,935

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