The details are here:
Source: Alexander Isak six year deal until 𝟐𝟎𝟑𝟏Liverpool paid a fee of £125 million, but Newcastle will receive £130 million, including the solidarity fee. Who wouldn't be tempted by that kind of money? Newcastle have now signed Nick Woltemade as Isak's replacement (obviously, don't compare his performance to Isak's yet).
Isak's contract runs until 2031, a six-year deal.
Currently, the latest information is that Isak is undergoing a medical.
Isak didn’t play in Newcastle’s recent matches, it was clear that he was preparing to leave the club, but I thought Liverpool would manage to agree on a lower transfer fee. Liverpool keep spending very big money on transfers, and now the most important thing is that it pays off and they can defend the Premier League title and perform better in the Champions League this season, because in the group stage they were very good but in the knockout rounds they were a bit disappointing.