STOCK-BASED COMPENSATION (Employees' Stock Purchase Plan) (Details) (Employees' Stock Purchase Plan [Member], USD $) In Millions, except Share data in Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Employees' Stock Purchase Plan [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%
Plan price of the stock is set a no less than the following percentage of market price	85.00%
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Granted, shares	8,298
Granted, exercise price	$ 27.05
Exercised, shares	(7,311)
Exercised, exercise price	$ 27.05
Forfeited/Expired, shares	(987)
Forfeited/Expired, exercise price	$ 27.05
Weighted-average fair value per share of purchase rights granted	$ 7.20		$ 8.32		$ 11.39
Total Compensation Expense	$ 60		$ 79		$ 123
Stock-based compensation expense related tax benefit	22		29		46
Total amount of cash received from the exercise of purchase rights	198		166		197
Total intrinsic value of purchase rights exercised	68	[1]	41	[1]	98	[1]
Total intrinsic value of purchase rights exercised, related tax benefit	$ 25		$ 15		$ 36

[1] Difference between the market price at exercise and the price paid by the employee to exercise the purchase rights.