EQUITY COMPENSATION PLANS (Details 2) - Stock Options - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Stock incentive and option plans
Stock option expiration period	10 years
Stock option vesting period	3 years
SHARES
Outstanding, beginning of year (in shares)	12,378,372	13,169,776	13,926,256
Granted (in shares)	1,679,941	1,686,816	1,645,937
Exercised (in shares)	(2,061,553)	(2,316,025)	(2,316,918)
Canceled (in shares)	(86,259)	(162,195)	(85,499)
Outstanding, end of year (in shares)	11,910,501	12,378,372	13,169,776
Exercisable, end of year (in shares)	8,720,943	9,248,880	9,820,826
Vested and expected to vest, end of year (in shares)	11,688,758
AVERAGE PRICE PER SHARE
Outstanding, beginning of year (in dollars per share)	$ 74.23	$ 63.88	$ 55.66
Granted (in dollars per share)	117.60	118.99	107.63
Exercised (in dollars per share)	50.33	46.22	44.79
Canceled (in dollars per share)	111.08	99.67	83.81
Outstanding, end of year (in dollars per share)	84.22	74.23	63.88
Exercisable, end of year (in dollars per share)	72.35	$ 61.18	$ 52.21
Vested and expected to vest, end of year (in dollars per shares)	$ 83.63
Total intrinsic value of options exercised during period	$ 140	$ 160	$ 150
Total aggregate intrinsic value of in-the-money options outstanding	$ 398
Weighted-average remaining contractual life of options outstanding	6 years 4 months 24 days
Total aggregate intrinsic value of in-the-money options exercisable	$ 395
Weighted-average remaining contractual life of options exercisable	5 years 3 months 18 days
Aggregate intrinsic value of vested and expected to vest options outstanding	$ 397
Weighted-average remaining contractual life of vested and expected to vest options outstanding	6 years 3 months 18 days