STOCK-BASED COMPENSATION PLANS 2 (Details) - 2016 Plan [Member] - Share-based Payment Arrangement, Option [Member] $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2019 $ / shares	Dec. 31, 2018 $ / shares
Share-based Payment Arrangement, Option, Exercise Price Range, Beginning of Period [Abstract]
Options Outstanding, Number of Options | shares	16,568,529
Options Outstanding, Weighted Average Life	6 years 2 months 19 days
Options Outstanding, Weighted Average Exercise Price | $ / shares	125.75
Options Outstanding Aggregate Intrinsic Value | $	$ 1,441
Options Exercisable Number of Options | shares	10,120,793
Weighted Average Exercise Price | $ / shares	$ 103.89	$ 92.19	$ 83.42
Options Exercisable Aggregate Intrinsic Value | $	$ 1,101
Minimum [Member]
Share-based Payment Arrangement, Option, Exercise Price Range, Beginning of Period [Abstract]
Vesting periods	4 years
Maximum [Member]
Share-based Payment Arrangement, Option, Exercise Price Range, Beginning of Period [Abstract]
Vesting periods	10 years
Exercise Price Range $27.00-64.99 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range, Beginning of Period [Abstract]
Options Outstanding, Number of Options | shares	236,938
Options Outstanding, Weighted Average Life	1 year
Options Outstanding, Weighted Average Exercise Price | $ / shares	56.58
Options Outstanding Aggregate Intrinsic Value | $	$ 37
Options Exercisable Number of Options | shares	236,938
Weighted Average Exercise Price | $ / shares	$ 56.58
Options Exercisable Aggregate Intrinsic Value | $	$ 37
Exercise Price Range $65.00-$89.99 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range, Beginning of Period [Abstract]
Options Outstanding, Number of Options | shares	2,541,403
Options Outstanding, Weighted Average Life	2 years 8 months 12 days
Options Outstanding, Weighted Average Exercise Price | $ / shares	78.96
Options Outstanding Aggregate Intrinsic Value | $	$ 340
Options Exercisable Number of Options | shares	2,541,403
Weighted Average Exercise Price | $ / shares	$ 78.96
Options Exercisable Aggregate Intrinsic Value | $	$ 340
Exercise Price Range $90.00-$99.99 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range, Beginning of Period [Abstract]
Options Outstanding, Number of Options | shares	3,980,975
Options Outstanding, Weighted Average Life	4 years 8 months 4 days
Options Outstanding, Weighted Average Exercise Price | $ / shares	98.80
Options Outstanding Aggregate Intrinsic Value | $	$ 453
Options Exercisable Number of Options | shares	3,980,975
Weighted Average Exercise Price | $ / shares	$ 98.80
Options Exercisable Aggregate Intrinsic Value | $	$ 453
Exercise Price Range $100.00-$134.99 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range, Beginning of Period [Abstract]
Options Outstanding, Number of Options | shares	2,892,011
Options Outstanding, Weighted Average Life	6 years 9 months 10 days
Options Outstanding, Weighted Average Exercise Price | $ / shares	119.58
Options Outstanding Aggregate Intrinsic Value | $	$ 270
Options Exercisable Number of Options | shares	1,985,364
Weighted Average Exercise Price | $ / shares	$ 118.64
Options Exercisable Aggregate Intrinsic Value | $	$ 187
Exercise Price Range $135.00-$180.99 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range, Beginning of Period [Abstract]
Options Outstanding, Number of Options | shares	6,917,202
Options Outstanding, Weighted Average Life	8 years 4 months 2 days
Options Outstanding, Weighted Average Exercise Price | $ / shares	163.40
Options Outstanding Aggregate Intrinsic Value | $	$ 341
Options Exercisable Number of Options | shares	1,376,113
Weighted Average Exercise Price | $ / shares	$ 151.53
Options Exercisable Aggregate Intrinsic Value | $	$ 84