DERIVATIVE FINANCIAL INSTRUMENTS (Details) (USD $) In Millions	Jun. 30, 2011	Mar. 31, 2011
Nondesignated [Member] | British Pounds Sterling [Member] | Balance Sheet Hedging [Member]
Notional value of foreign currency sale contracts	$ 21
Nondesignated [Member] | Balance Sheet Hedging [Member]
Notional value of foreign currency purchase contracts	51	31
Notional value of foreign currency sale contracts	117	140
British Pounds Sterling [Member] | Balance Sheet Hedging [Member]
Notional value of foreign currency sale contracts		16
Cash Flow Hedging [Member]
Notional value of foreign currency purchase contracts	14	40
Notional value of foreign currency sale contracts	95	10
Balance Sheet Hedging [Member]
Notional value of foreign currency forward contracts	$ 189	$ 187