Former Telstra Corp. Chief Executive Officer Sol Trujillo is seeking to raise as much as 7.5 billion euros to bid for a stake in Telecom Italia SpA , according to people familiar with the matter. Trujillo has discussed the plan with New York-based financial advisers, and sovereign-wealth funds in Qatar and Abu Dhabi are among investors that have expressed interest, said the people, asking not to be identified because the proposal is private.