Staff are reminded to note that authorized money changers and banks only exchange notes in good condition.
The exchange rates used by Hotels and Airport may be less than those at the authorized money changers. Please check www.xe.com to receive the latest exchange rate.
Keep your foreign currency clean and unfolded. Currency which becomes creased or folded will most like be exchanged at a lower rate and sometimes not accepted at all. In certain cases depending on the bank or exchanging at a hotel, certain series of notes are only accepted for US Dollars. Old currency and older denominations are often not accepted. Most Major banks will not accepted series number starting with CB and DB and notes not issued before 2004
Local Currency can be acquired from a number of ATMs available in the airport after clearing immigration. Be advised that banks will charge for withdrawals made at foreign ATMS.
The denomination of Indonesian currency, the Rupiah is outlined here https://www.bi.go.id/en/rupiah/gambar-uang/Default.aspx Small notes are extremely useful, as many merchants cannot change big bills. In big cities, most of transaction are done online via mobile banking and online shops.