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STOCK OWNERSHIP AND COMPENSATION PLANS (Transactions Under Stock Option Plans) (Details) - Equity Option - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options outstanding, beginning of year	8.4
Options granted	1.8
Exercise of stock options, shares	(1.8)
Options forfeited and cancelled	(0.4)
Options outstanding, end of year	8.0	8.4
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Options outstanding, beginning of year weighted average exercise price	$ 77.35
Options, granted weighted average exercise price	87.16
Options exercised weighted average exercise price	65.03
Options forfeited and cancelled weighted average exercise price	94.68
Options outstanding, end of year weighted average exercise price	$ 81.67	$ 77.35
Options outstanding, end of year weighted average remaining contractual term	6 years 8 months 12 days
Options outstanding, end of year aggregate intrinsic value	$ 202
Exercisable, end of year shares	5.0
Exercisable, end of year weighted average exercise price	$ 74.72
Exercisable, end of year weighted average remaining contractual term	5 years 6 months
Exercisable, end of year aggregate intrinsic value	$ 161
Vested and expected to vest, end of year shares	7.9
Vested and expected to vest, end of year weighted average exercise price	$ 81.51
Vested and expected to vest, end of year weighted average remaining contractual term	6 years 7 months 6 days
Vested and expected to vest, end of year aggregate intrinsic value	$ 200
Total intrinsic value of options exercised	62	$ 67	$ 94
Compensation not yet recognized, stock options	$ 11
Unrecognized stock-based compensation cost weighted average period	1 year 8 months 12 days

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