Net Assets Investment Company, Portfolio Turnover C000026328 [Member] EUPAC Fund™ - Class A C000077411 [Member] EUPAC Fund™ - Class R-6 C000164824 [Member] EUPAC Fund™ - Class R-5E C000026333 [Member] EUPAC Fund™ - Class R-5 C000026330 [Member] EUPAC Fund™ - Class R-2 C000148435 [Member] EUPAC Fund™ - Class R-2E C000026331 [Member] EUPAC Fund™ - Class R-3 C000026332 [Member] EUPAC Fund™ - Class R-4 C000026335 [Member] EUPAC Fund™ - Class C C000189495 [Member] EUPAC Fund™ - Class T C000026336 [Member] EUPAC Fund™ - Class F-1 C000066830 [Member] EUPAC Fund™ - Class F-2 C000179990 [Member] EUPAC Fund™ - Class F-3 C000026337 [Member] EUPAC Fund™ - Class 529-A C000026339 [Member] EUPAC Fund™ - Class 529-C C000026340 [Member] EUPAC Fund™ - Class 529-E C000189494 [Member] EUPAC Fund™ - Class 529-T C000026341 [Member] EUPAC Fund™ - Class 529-F-1 C000221169 [Member] EUPAC Fund™ - Class 529-F-2 C000221170 [Member] EUPAC Fund™ - Class 529-F-3 C000026329 [Member] EUPAC Fund™ - Class R-1 MSCI ACWI (All Country World Index) ex USA [Member] Investment Type [Axis] Financial Services Sector [Member] Energy Sector [Member] Healthcare Sector [Member] Other securities [Member] Short-term securities and other assets less liabilities [Member] Short-term securities & other assets less liabilities [Member]