EMPLOYEE STOCK BENEFIT PLANS Share-based Payment Arrangement, Cost by Plan (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Share-based Payment Arrangement, Expense	$ 151	$ 210
Share-based Payment Arrangement, Expense, Tax Benefit	31	46
Proceeds and Excess Tax Benefit from Share-based Compensation	17	23
Cost of products sold [Member]
Share-based Payment Arrangement, Expense	15	10
Marketing, selling and administrative [Member]
Share-based Payment Arrangement, Expense	60	88
Research and development [Member]
Share-based Payment Arrangement, Expense	70	94
Other (Income)/expense, net [Member]
Share-based Payment Arrangement, Expense	$ 6	$ 18