SEGMENTS AND GEOGRAPHIC REGIONS Geographic Region Information - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 10,706	$ 9,712	$ 8,354	$ 9,770	$ 10,204	$ 10,764	$ 11,014	$ 10,969	$ 38,542	$ 42,951	$ 49,604
Net property	20,239				20,996				20,239	20,996	21,418
UNITED STATES
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									12,547	14,437	16,613
Net property	13,833				14,571				13,833	14,571	14,750
Europe, Middle East, Africa and India [Domain]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									12,969	14,612	17,406
Net property	2,813				2,649				2,813	2,649	2,657
Rest of World [Domain]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									13,026	13,902	15,585
Net property	$ 3,593				$ 3,776				$ 3,593	$ 3,776	$ 4,011