if you have an online account, you can just go to your dashboard and view your billing statement (if it's available already)
if you have no online account yet you may register by clicking this link: GLOBE
you may try doing the following to see your outstanding balances:
Via Online inquiry - http://www.globe.com.ph/form-check-outstanding-balance
Via Globe Services on your Smart Phone - if you have one installed already, if none you may click this : https://play.google.com/store/apps/details?id=com.seerlabs.GlobeSSA
Via *143# option. go to My account
Via Customer Service: you may call their hotline and request for a copy of your Bill.