INCOME TAXES (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Mar. 31, 2011		Jan. 18, 2011
Effective tax rates	3.90%	3.40%
United States statutory tax rate	35.00%
Recorded increase in gross unrecognized tax benefits	$ 5
Income tax obligation	192		192	[1]
Gross unrecognized tax benefits	278
Amount of unrecognized tax benefits that would affect the effective tax rate	139
The total amount of unrecognized tax benefits that, if recognized, would result in adjustments to deferred tax assets with corresponding adjustments to the valuation allowance	125
Combined amount of accrued interest and penalties related to uncertain tax positions	24
Incremental tax liability asserted by jurisdiction					44
Amount of unrecognized tax benefits for which it is reasonably possible that there will be a reduction within the next 12 months	60
Effective tax rate for non-U.S. profits	0.00%
Cash Deposits [Member]
Income tax obligation	$ 40

[1] Derived from audited consolidated financial statements.