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EQUITY - NARRATIVE (Details) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Jul. 28, 2021
Equity [Abstract]
Stock repurchase program, authorized amount				$ 1,000
Treasury shares purchased	$ 200	$ 140	$ 260
Share repurchase program, remaining authorization	890
Proceeds from exercised stock options	$ 51	$ 11	$ 109
Number of stock option exercised (in shares)	1.1	0.3	2.7

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Amount of cash inflow from exercise of option under share-based payment arrangement.

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