The Belgium international has been in inspirational form this season, scoring two goals and adding four assists to help City win six successive league games under Guardiola.
"Kevin is not a big injury... in two and a half or three weeks, maybe he will be ready," Guardiola told reporters in Glasgow ahead of Wednesday's Champions League tie against Celtic.
Guardiola also expects centre back Vincent Kompany, who sustained a groin injury earlier this month, to return in two to three weeks, shortly after next month's international break.
News that makes sense
Your trusted source for staying up-to-date with the world around you. Get free daily news updates and analysis, straight to your inbox.
(Reporting by Ian Rodricks in Bengaluru; Editing by John O'Brien)
