| Line | Roll Up Total Concept | Roll Up Items Concept | Count |
| 1 | gtmay:MandatoryConvertibleDebenturesIssuedShares | gtmay:EquityComponentConvertibleInstrumentTransactionCostsIncurred | 1 |
| 2 | gtmay:MandatoryConvertibleDebenturesIssuedShares | gtmay:MandatorilyConvertibleDebenturesCarryingAmountOfEquityComponent | 1 |
| 3 | gtmay:MandatoryConvertibleDebenturesIssuedShares | ifrs-full:InterestPayable | 1 |