Class A - C000112917 Class A Class C - C000116979 Class C Class C1 - C000112918 Class C1 Class FI - C000112919 Class FI Class R - C000112920 Class R Class I - C000112921 Class I Class IS - C000112922 Class IS Broad Based Index:1Class A-Bloomberg Global Aggregate Index_1 Bloomberg Global Aggregate Index [Member] Additional Index:2Class A-FTSE World Government Bond Index FTSE World Government Bond Index [Member] Largest Holding:4Class A-Sovereign Bonds Sovereign Bonds [Member] Largest Holding:5Class A-U.S. Government & Agency Obligations U.S. Government & Agency Obligations [Member] Largest Holding:6Class A-Mortgage-Backed Securities Mortgage-Backed Securities [Member] Largest Holding:7Class A-Corporate Bonds & Notes Corporate Bonds & Notes [Member] Largest Holding:8Class A-Short-Term Investments Short-Term Investments [Member] Broad Based Index:9Class C-Bloomberg Global Aggregate Index_1 Bloomberg Global Aggregate Index [Member] Additional Index:10Class C-FTSE World Government Bond Index FTSE World Government Bond Index [Member] Largest Holding:12Class C-Sovereign Bonds Sovereign Bonds [Member] Largest Holding:13Class C-U.S. Government & Agency Obligations U.S. Government & Agency Obligations [Member] Largest Holding:14Class C-Mortgage-Backed Securities Mortgage-Backed Securities [Member] Largest Holding:15Class C-Corporate Bonds & Notes Corporate Bonds & Notes [Member] Largest Holding:16Class C-Short-Term Investments Short-Term Investments [Member] Broad Based Index:17Class C1-Bloomberg Global Aggregate Index_1 Bloomberg Global Aggregate Index [Member] Additional Index:18Class C1-FTSE World Government Bond Index FTSE World Government Bond Index [Member] Largest Holding:20Class C1-Sovereign Bonds Sovereign Bonds [Member] Largest Holding:21Class C1-U.S. Government & Agency Obligations U.S. Government & Agency Obligations [Member] Largest Holding:22Class C1-Mortgage-Backed Securities Mortgage-Backed Securities [Member] Largest Holding:23Class C1-Corporate Bonds & Notes Corporate Bonds & Notes [Member] Largest Holding:24Class C1-Short-Term Investments Short-Term Investments [Member] Broad Based Index:25Class FI-Bloomberg Global Aggregate Index_1 Bloomberg Global Aggregate Index [Member] Additional Index:26Class FI-FTSE World Government Bond Index FTSE World Government Bond Index [Member] Largest Holding:27Class FI-Sovereign Bonds Sovereign Bonds [Member] Largest Holding:28Class FI-U.S. Government & Agency Obligations U.S. Government & Agency Obligations [Member] Largest Holding:29Class FI-Mortgage-Backed Securities Mortgage-Backed Securities [Member] Largest Holding:30Class FI-Corporate Bonds & Notes Corporate Bonds & Notes [Member] Largest Holding:31Class FI-Short-Term Investments Short-Term Investments [Member] Broad Based Index:32Class R-Bloomberg Global Aggregate Index_1 Bloomberg Global Aggregate Index [Member] Additional Index:33Class R-FTSE World Government Bond Index FTSE World Government Bond Index [Member] Largest Holding:34Class R-Sovereign Bonds Sovereign Bonds [Member] Largest Holding:35Class R-U.S. Government & Agency Obligations U.S. Government & Agency Obligations [Member] Largest Holding:36Class R-Mortgage-Backed Securities Mortgage-Backed Securities [Member] Largest Holding:37Class R-Corporate Bonds & Notes Corporate Bonds & Notes [Member] Largest Holding:38Class R-Short-Term Investments Short-Term Investments [Member] Broad Based Index:39Class I-Bloomberg Global Aggregate Index_1 Bloomberg Global Aggregate Index [Member] Additional Index:40Class I-FTSE World Government Bond Index FTSE World Government Bond Index [Member] Largest Holding:41Class I-Sovereign Bonds Sovereign Bonds [Member] Largest Holding:42Class I-U.S. Government & Agency Obligations U.S. Government & Agency Obligations [Member] Largest Holding:43Class I-Mortgage-Backed Securities Mortgage-Backed Securities [Member] Largest Holding:44Class I-Corporate Bonds & Notes Corporate Bonds & Notes [Member] Largest Holding:45Class I-Short-Term Investments Short-Term Investments [Member] Broad Based Index:46Class IS-Bloomberg Global Aggregate Index_1 Bloomberg Global Aggregate Index [Member] Additional Index:47Class IS-FTSE World Government Bond Index FTSE World Government Bond Index [Member] Largest Holding:48Class IS-Sovereign Bonds Sovereign Bonds [Member] Largest Holding:49Class IS-U.S. Government & Agency Obligations U.S. Government & Agency Obligations [Member] Largest Holding:50Class IS-Mortgage-Backed Securities Mortgage-Backed Securities [Member] Largest Holding:51Class IS-Corporate Bonds & Notes Corporate Bonds & Notes [Member] Largest Holding:52Class IS-Short-Term Investments Short-Term Investments [Member] Net Assets Investment Company Portfolio Turnover Portfolio Turnover Commodity Index Linked Notes [Member] Commodity Index Linked Notes Sovereign Debt Securities [Member] Sovereign Debt Securities Convertible Debt Securities [Member] Convertible Debt Securities Corporate Debt Securities [Member] Corporate Debt Securities Corporate Note Securities [Member] Corporate Note Securities Corporate Bond Securities [Member] Corporate Bond Securities Fixed Income Investments [Member] Fixed Income Investments Securities Investment [Member] Securities Investment Other Aggregated Investments [Member] Other Aggregated Investments Real Estate Sector [Member] Real Estate Sector Standard Poors 500 Index [Member] Standard Poors 500 Index Nasdaq Composite Index [Member] Nasdaq Composite Index Equity Securities Industry [Member] Equity Securities Industry Equity Securities [Member] Equity Securities Dow Jones Industrial Average [Member] Dow Jones Industrial Average Construction Sector [Member] Construction Sector Automotive Sector [Member] Automotive Sector Transportation Sector [Member] Transportation Sector Aerospace Sector [Member] Aerospace Sector Consumer Sector [Member] Consumer Sector Chemicals Sector [Member] Chemicals Sector Insurance Sector [Member] Insurance Sector Cash [Member] Cash Asset Backed Securities [Member] Asset Backed Securities Container And PackagingSector [Member] Container And PackagingSector Investment Type [Axis] Asset Class US Treasury Securities [Member] US Treasury Securities Mortgage Backed Securities [Member] Mortgage Backed Securities Investment Type Categorization [Member] Investment Type Categorization Entertainment Sector [Member] Entertainment Sector Food And Beverage Sector [Member] Food And Beverage Sector Financial Services Sector [Member] Financial Services Sector Healthcare Sector [Member] Healthcare Sector Energy Sector [Member] Energy Sector Technology Sector [Member] Technology Sector Government Sector [Member] Government Sector No Trading Symbol