STOCK-BASED COMPENSATION PLANS (Details) - 2016 Plan [Member] - Share-based Payment Arrangement, Option [Member] - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Weighted average fair value per share of options granted during the year	$ 21.30	$ 21.57	$ 23.63
Expected annual dividend yield	2.59%	2.65%	2.49%
Expected volatility	18.76%	18.40%	18.93%
Risk-free rate of return	1.32%	2.46%	2.71%
Expected option term (years)	4 years 7 months 13 days	4 years 10 months 13 days	4 years 11 months 12 days
Stock Options Number of Options [Abstract]
Outstanding at beginning of period,	18,731,562	22,478,581	23,409,293
Spin related adjustment			989,158
Granted	3,192,693	3,136,058	3,303,722
Exercised	(4,424,754)	(5,897,060)	(3,399,375)
Lapsed or Canceled	(930,972)	(986,017)	(1,824,217)
Outstanding at end of period,	16,568,529	18,731,562	22,478,581
Vested and Expected to Vest at December 31,	15,442,367
Exercisable at December 31,	10,120,793	11,620,992	14,073,120
Options Activity Footnote [Abstract]
Vested options	10,100,000
Options expected to vest	5,300,000
Outstanding unvested options	6,400,000
Stock Options Weighted Average Exercise Price [Abstract]
Outstanding at beginning of period,	$ 109.87	$ 97.83	$ 94.16
Granted	176.93	155.43	148.48
Exercised	88.96	84.31	78.29
Lapsed or Canceled	156.62	136.15	123.01
Outstanding at end of period,	125.75	109.87	97.83
Vested and Expected to Vest at December 31,	122.63
Exercisable at December 31,	$ 103.89	$ 92.19	$ 83.42
Income Statement Impact From Stock Options [Abstract]
Compensation expense	$ 50	$ 47	$ 64
Future income tax benefit recognized	$ 10	$ 10	$ 13