STOCK-BASED COMPENSATION PLANS (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Stock Options Weighted Average Exercise Price [Abstract]
Exercisable at December 31,	$ 83.42
Income Statement Impact From Stock Options [Abstract]
Compensation Expense	$ 175	$ 176	$ 176
2016 Plan [Member] | Stock Options [Member]
Stock based compensation Fair Value [Abstract]
Weighted average fair value per share of options granted during the year	$ 23.63	$ 16.68	$ 15.59
Expected annual dividend yield	2.49%	2.81%	2.92%
Expected volatility	18.93%	18.96%	23.07%
Risk-free rate of return	2.71%	2.02%	1.29%
Expected option term (years)	4 years 12 months	5 years	4 years 12 months
Stock Options Number of Options [Abstract]
Outstanding at beginning of period,	23,409,293	28,667,300	30,569,438
Spin related adjustment	989,158
Granted	3,303,722	5,098,569	6,281,053
Exercised	(3,399,375)	(8,840,019)	(7,075,852)
Lapsed or Canceled	(1,824,217)	(1,516,557)	(1,107,339)
Outstanding at end of period,	22,478,581	23,409,293	28,667,300
Vested and Expected to Vest at December 31,	21,590,740
Exercisable at December 31,	14,073,120	12,288,854	15,536,961
Options Activity Footnote [Abstract]
Vested options	14,100,000
Options expected to vest	7,500,000
Outstanding unvested options	8,600,000
Stock Options Weighted Average Exercise Price [Abstract]
Outstanding at beginning of period,	$ 94.16	$ 79.57	$ 70.76
Granted	148.48	125.16	103.51
Exercised	78.29	62.34	57.41
Lapsed or Canceled	123.01	109.04	96.81
Outstanding at end of period,	97.83	94.16	79.57
Vested and Expected to Vest at December 31,	96.27
Exercisable at December 31,	$ 83.42	$ 78.35	$ 63.39
Income Statement Impact From Stock Options [Abstract]
Compensation Expense	$ 64	$ 79	$ 87
Future income tax benefit recognized	13	17	29
2016 Plan [Member] | Restricted Stock Units (RSUs) [Member]
Income Statement Impact From Stock Options [Abstract]
Compensation Expense	111	97	97
Future income tax benefit recognized	$ 21	$ 19	$ 30