NOTES PAYABLE AND OTHER BORROWINGS (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended	9 Months Ended
	Oct. 31, 2012	Feb. 28, 2013
Debt Instrument [Line Items]
Debt-related covenants		We were in compliance with all debt-related covenants at February 28, 2013.
Senior Notes Due October 2017 and October 2022 [Member]
Debt Instrument [Line Items]
Debt issuance date	Oct. 25, 2012
Total debt issued	$ 5,000
1.20% Senior Notes Due October 2017 [Member]
Debt Instrument [Line Items]
Total debt issued	2,500
Stated interest rate percentage		1.20%
Debt maturity date		Oct. 15, 2017
Effective interest yield		1.24%
2.50% Senior Notes Due October 2022 [Member]
Debt Instrument [Line Items]
Total debt issued	2,500
Stated interest rate percentage		2.50%
Debt maturity date		Oct. 15, 2022
Effective interest yield		2.51%
4.95% Senior Notes Due April 2013 [Member]
Debt Instrument [Line Items]
Stated interest rate percentage		4.95%
Debt maturity date		Apr. 15, 2013
Senior notes outstanding		1,250