Barcelona had to move fast to sign Vidal as the player had also reportedly sparked interest from Inter Milan following the departure of their French midfielder Adrien Rabiot.
"I hope to make a contribution and help my teammates to win all the titles".More news: Woman tells police she's a 'white, clean girl' and shouldn't be arrested
"I am very happy".
After joining from Italian giants Juventus in the summer of 2015 for a reported £31.45m, Vidal would become an ever-present under three different managers: Jupp Heynckes, Carlo Ancelotti and Pep Guardiola.More news: Pochettino wants a title challenge from Spurs
"He is a player with character, who gives a lot in the centre of the pitch, not only in defence but in attack". Following that, Real Madrid have won it in each of the three seasons since, twice knocking out the Chilean while at Bayern.
Vidal and Barcelona share a common goal: to win the Champions League. "I really enjoyed my time in Munich. Hopefully I can win three". With the confidence that the people have given me, I want to win it all. "For me, this is the best team in the world".
"During the three-year contract, I hope we can win everything we play for", Vidal said at a press conference alongside Barcelona's Vice President Jordi Mestre and the Director of Football Eric Abidal.More news: Manchester United approach snubbed by Atletico Madrid star Diego Godin
"I am excited to play with Messi, Suarez, Sergio Busquets... they are all great players". The most important thing is winning titles.