Brazil-based construction giant Odebrecht on Wednesday agreed to pay fines of at least $2.6 billion to US, Brazilian and Swiss authorities, in what the US is calling the largest foreign bribery case in history.

The US Justice Department said the conglomerate pled guilty to paying hundreds of millions to bribe government officials in countries on three continents.

In the same case, Brazilian petrochemical firm Braskem will pay a combined total of $957 million to the three countries in criminal and regulatory penalties, the statement said.