SUMMARY OF ACCOUNTING POLICIES (Details 2) (USD $)	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2010
Cash and Cash Equivalents
Cash and bank balances	$ 1,089,697,000	$ 1,174,423,000
Money market funds and time deposits	497,390,000	343,906,000
Cash and cash equivalents	1,587,087,000	1,518,329,000	1,748,471,000	1,927,556,000
Inventories
Raw materials	1,683,098,000	1,952,358,000
Work-in-progress	421,706,000	537,753,000
Finished goods	617,696,000	810,680,000
Inventories, total	2,722,500,000	3,300,791,000
Property and Equipment, Net
Property and equipment, gross	4,751,751,000	4,571,923,000
Accumulated depreciation and amortization	(2,577,163,000)	(2,495,481,000)
Property and equipment, net	2,174,588,000	2,076,442,000
Depreciation expense associated with property and equipment	412,300,000	407,500,000	384,300,000
Machinery and equipment
Property and Equipment, Net
Property and equipment, gross	2,668,996,000	2,677,387,000
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	1,032,595,000	1,024,247,000
Depreciable Life	30 years
Leasehold improvements
Property and Equipment, Net
Property and equipment, gross	384,519,000	283,340,000
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	399,368,000	373,174,000
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	127,241,000	126,314,000
Construction-in-progress
Property and Equipment, Net
Property and equipment, gross	$ 139,032,000	$ 87,461,000