SHARE-BASED COMPENSATION - Summary of Stock Option Activity (Detail) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
Share Based Compensation Arrangements By Share Based Payment Award Options [Line Items]
Outstanding stock options, Beginning balance	16,748
Options granted	1,720
Options exercised	(933)
Options cancelled	(239)
Options expired	(658)
Outstanding stock options, Ending Balance	16,638
Number of outstanding options, Vested or expected to vest	16,169
Exercisable, Stock options	12,977
Outstanding Weighted average exercise price, Beginning Balance	$ 68.04
Options granted	$ 64.26
Options exercised	$ 46.05
Options cancelled	$ 60.21
Options expired	$ 75.43
Outstanding Weighted average exercise price, ending Balance	$ 68.74
Outstanding Weighted average exercise price, Vested or expected to vest	$ 68.94
Exercisable, Weighted average exercise price	$ 71.34
Outstanding at December 31, 2012	4 years 9 months 18 days
Vested or expected to vest as of December 31, 2012	4 years 8 months 12 days
Exercisable at December 31, 2012	3 years 10 months 24 days
Outstanding at December 31, 2012	$ 64.2
Vested or expected to vest as of December 31, 2012	61.9
Exercisable at December 31, 2012	$ 38.0