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RESTRUCTURING, INTEGRATION, SEPARATION AND IPO COSTS - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Cost-rationalization and integration initiatives
Separation and IPO-related costs included in selling, general and administrative expenses	$ 676	$ 685	$ 1,298	$ 1,291
Restructuring and Integration Costs
Cost-rationalization and integration initiatives
Liabilities associated with restructuring, integration and separation costs	$ 30		30
Costs incurred			25	6
Restructuring payments			15	9
Separation and IPO Costs
Cost-rationalization and integration initiatives
Restructuring, integration, separation, and IPO costs			23	15
Separation and IPO-related costs included in selling, general and administrative expenses			$ 64	$ 55