STOCK-BASED COMPENSATION (Details) (USD $) In Millions, except Share data, unless otherwise specified	9 Months Ended				3 Months Ended
	Sep. 30, 2013 Employees' Stock Purchase Plan [Member] years	Sep. 30, 2013 Equity Option [Member] years	Sep. 30, 2013 Deferred Stock Awards [Member] years	Sep. 30, 2013 Performance Deferred Stock Awards [Member] years	Mar. 31, 2013 Employee [Member] Employees' Stock Purchase Plan [Member]	Mar. 31, 2013 Employee [Member] Equity Option [Member]	Mar. 31, 2013 Employee [Member] Deferred Stock Awards [Member]	Mar. 31, 2013 Employee [Member] Performance Deferred Stock Awards [Member]	Jun. 30, 2013 Director [Member] Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate	10.00%
Share based compensation arrangement by share based payment award discount from market price offering date company specific	85.00%
Right to purchase shares subscribed by employees					8,300,000
Weighted-average exercise price right to purchase shares by employees					$ 27.05
Weighted-average fair value of shares under the Employee Stock Purchase Plan					$ 7.20
Stock options granted to employees under the 1988 plan						17,100,000
Weighted-average exercise price options granted under the 1988 plan						$ 32.16
Weighted-average fair value per share of purchase rights granted						$ 6.99
Deferred stock granted to employees							3,600,000	1,300,000
Weighted-average fair value of deferred stock granted under the 1988 plan							$ 32.16	$ 34.41	$ 34.46
Stock Issued During Period, Shares, Restricted Stock Award, Gross									35,280
Unrecognized Compensation Cost	$ 4	$ 97	$ 112	$ 28
Weighted-average Recognition Period, in years	0.13	0.87	0.88	0.75