He scored his first international goal in his debut during a Merdeka Tournament (friendly tournament) match against Singapore on 15 August 1968.
He retired from international football in April 1980, with a record of 55 goals in 97 international appearances, making him Indonesia's second highest scorer behind Abdul Kadir.
[1] Idris scored his first international hat-trick on 19 August 1968 in a 10–1 win over Taiwan during a 1968 Merdeka Tournament match.
In total, he has scored four hat-tricks (including 5 goals against South Vietnam in 1971), and has scored two goals in a match nine times.
[2] His five goals against South Vietnam in 1971 President's Cup also made him Indonesia's only player to ever score a glut.