STOCK-BASED COMPENSATION (Performance Stock Units) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Expense	$ 276	$ 171	$ 158
Share-based Payment Arrangement, Expense, Tax Benefit	$ 62	$ 39	$ 36
Performance Stock Units (PSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	1,223
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 61.48
Actual number of shares granted above target minimum range	0.00%	0.00%	0.00%
Actual number of shares granted above target maximum range	200.00%	100.00%	200.00%
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	3,639	2,488
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value	$ 55.36	$ 53.78
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period	(72)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value	$ 56.99
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value	$ 0	$ 0	$ 18
Employee Service Share-based Compensation, Tax Benefit Realized from Vesting of Performance Deferred Stock Awards	0	0	4
Share-based Payment Arrangement, Expense	138	56	25
Share-based Payment Arrangement, Expense, Tax Benefit	$ 31	$ 13	$ 6
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	0	0	162
Total cash paid to settle PSUs	$ 0	$ 0	$ 13
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	$ 49
Employee Service Share-based Compensation, Nonvested, Total Compensation Cost not yet recognized and period for recognition in years	1 year 7 months 28 days
Performance Stock Units (PSUs) [Member] \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	1 year
Performance Stock Units (PSUs) [Member] \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
January 1, 2020 - December 31, 2020 \| Performance Stock Units (PSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	1,223	1,426
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 61.48	$ 48.35
April 1, 2019 - December 31, 2019 [Member] \| Performance Stock Units (PSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period			1,173
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value			$ 57.58

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Employee Service Share-based Compensation, Tax Benefit Realized from Vesting of Performance Deferred Stock Awards

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The weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, using a decimal to express in number of years.

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