SUMMARY OF ACCOUNTING POLICIES (Details 2) (USD $)
12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2012
Cash and Cash Equivalents        
Cash and bank balances $ 953,549,000 $ 1,040,800,000    
Money market funds and time deposits 674,859,000 552,928,000    
Cash and cash equivalents 1,628,408,000 1,593,728,000 1,587,087,000 1,518,329,000
Inventories        
Raw materials 2,330,428,000 2,349,278,000    
Work-in-progress 557,786,000 608,284,000    
Finished goods 600,538,000 641,446,000    
Inventories, total 3,488,752,000 3,599,008,000    
Property and Equipment, Net        
Property and equipment, gross 5,161,963,000 5,113,077,000    
Accumulated depreciation and amortization (3,069,796,000) (2,824,421,000)    
Property and equipment, net 2,092,167,000 2,288,656,000    
Depreciation expense associated with property and equipment 496,800,000 424,800,000 412,300,000  
Machinery and equipment        
Property and Equipment, Net        
Property and equipment, gross 2,928,903,000 2,929,449,000    
Machinery and equipment | Minimum        
Property and Equipment, Net        
Depreciable Life 3 years      
Machinery and equipment | Maximum        
Property and Equipment, Net        
Depreciable Life 10 years      
Buildings        
Property and Equipment, Net        
Property and equipment, gross 1,067,837,000 1,069,376,000    
Depreciable Life 30 years      
Leasehold improvements        
Property and Equipment, Net        
Property and equipment, gross 459,926,000 470,960,000    
Leasehold improvements | Maximum        
Property and Equipment, Net        
Depreciable Life 30 years      
Furniture, fixtures, computer equipment and software        
Property and Equipment, Net        
Property and equipment, gross 440,878,000 427,038,000    
Furniture, fixtures, computer equipment and software | Minimum        
Property and Equipment, Net        
Depreciable Life 3 years      
Furniture, fixtures, computer equipment and software | Maximum        
Property and Equipment, Net        
Depreciable Life 7 years      
Land        
Property and Equipment, Net        
Property and equipment, gross 123,633,000 127,567,000    
Construction-in-progress        
Property and Equipment, Net        
Property and equipment, gross $ 140,786,000 $ 88,687,000