| Increase (decrease) through cumulative catch-up adjustments to revenue arising from contract modification, contract assets | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The increase (decrease) in contract assets resulting from cumulative catch-up adjustments to revenue arising from a contract modification. A contract modification is a change in the scope or price (or both) of a contract that is approved by the parties to the contract. [Refer: Increase (decrease) through cumulative catch-up adjustments to revenue, contract assets] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Incremento (disminución) a través de ajustes a los ingresos de actividades ordinarias sobre una base de recuperación de las diferencias con las cifras acumuladas que surgen de la modificación del contrato, activos del contrato | es | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |