The Pancasila idea was first described by Sukarno in a speech in June 1945. It is summed up in five principles:
Kebangsaan (nationalism)
Kemanusiaan (humanism or internationalism)
Kerakyatan (representative government or democracy)
Keadilan Sosial (social justice)
Ketuhanan (monotheism)
...all based in gotong royong which is "community cooperation" or "working together".
In more recent years, Pancasila has been made part of the standard curriculum, and all organizations in Indonesia have been required to adopt Pancasila as their guiding ideology.
Here is the Pancasila doctrine, as described in Indonesian in the website for ABRI (RI Armed Forces):

