You can either make the calendar public, share with everyone in your GAfE domain, or with specific people. Sharing with the public or in your GAfE domain allows you to set event details: ‘See all event details’ or ‘See only free/busy (hide details).
Sharing with specific people will allow you to give different permissions: ‘Make changes AND manage sharing’, ‘Make changes to events’, ‘See all event details’, and ‘See only free/busy (hide details).
Nowa Techie 