v3.26.1
OTHER ACCOUNTS RECEIVABLE, NET - Contract assets - Tabular disclosure (Details) - COP ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Disclosure of financial assets [line items]    
Financial assets $ 305,457,293 $ 304,853,883
Accumulated impairment    
Disclosure of financial assets [line items]    
Financial assets (8,935,367) (10,478,009)
Financial assets at amortised cost, category    
Disclosure of financial assets [line items]    
Financial assets 243,432,271 251,981,889
Financial assets at amortised cost, category | Accumulated impairment    
Disclosure of financial assets [line items]    
Financial assets (8,830,940) (10,387,285)
Service concession arrangement [member] | Gross carrying amount    
Disclosure of financial assets [line items]    
Financial assets 2,635,437 4,181,835
Service concession arrangement [member] | Financial assets at fair value through profit or loss, mandatorily measured at fair value, category | Gross carrying amount    
Disclosure of financial assets [line items]    
Financial assets 2,635,437 4,181,835
Other accounts receivable at fair value through profit or loss, mandatorily measured at fair value, and at amortized cost    
Disclosure of financial assets [line items]    
Financial assets 24,458,906 27,958,402
Other accounts receivable at fair value through profit or loss, mandatorily measured at fair value, and at amortized cost | Gross carrying amount    
Disclosure of financial assets [line items]    
Financial assets 24,851,598 28,320,373
Other accounts receivable at fair value through profit or loss, mandatorily measured at fair value, and at amortized cost | Financial assets at fair value through profit or loss, mandatorily measured at fair value, category | Gross carrying amount    
Disclosure of financial assets [line items]    
Financial assets 2,635,437 4,181,835
Other accounts receivable at fair value through profit or loss, mandatorily measured at fair value, and at amortized cost | Financial assets at amortised cost, category | Gross carrying amount    
Disclosure of financial assets [line items]    
Financial assets 22,216,161 24,138,538
Other accounts receivable at fair value through profit or loss, mandatorily measured at fair value, and at amortized cost, contract assets, service concession arrangements    
Disclosure of financial assets [line items]    
Financial assets 17,066,702 19,260,241
Other accounts receivable at fair value through profit or loss, mandatorily measured at fair value, and at amortized cost, contract assets, service concession arrangements | Gross carrying amount    
Disclosure of financial assets [line items]    
Financial assets 17,075,157 19,269,344
Other accounts receivable at fair value through profit or loss, mandatorily measured at fair value, and at amortized cost, contract assets, service concession arrangements | Financial assets at amortised cost, category | Gross carrying amount    
Disclosure of financial assets [line items]    
Financial assets 14,439,720 15,087,509
Other accounts receivable at fair value through profit or loss, mandatorily measured at fair value, and at amortized cost, contract assets, service concession arrangements | Financial assets at amortised cost, category | Accumulated impairment    
Disclosure of financial assets [line items]    
Financial assets $ (8,455) $ (9,103)