SEGMENT INFORMATION (Net Revenue by Geographic Area) (Details) (USD $) In Millions	3 Months Ended
Jun. 30, 2011	Jun. 30, 2010
Net revenue from unaffiliated customers	$ 999	$ 815
North America [Member]
Net revenue from unaffiliated customers	501	451
Europe [Member]
Net revenue from unaffiliated customers	438	317
Asia [Member]
Net revenue from unaffiliated customers	$ 60	$ 47

Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 5
-Section 03
-Paragraph 1

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

Name:	us-gaap_Revenues
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration