OTHER LIABILITIES, INCLUDING EMPLOYEE BENEFITS OTHER LIABILITEIS, INCLUDING EMPLOYEE BENEFIT (Components of Other Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Other Liabilities, Including Employee Benefits [Abstract]
Pension, postretirement, postemployment and other employment benefits	$ 1,318	$ 1,174
Estimated Litigation Liability	502	631
Provision for tax positions	255	230
Operating Lease, Liability, Noncurrent	204	0
Other	212	195
Total other liabilities	$ 2,491	$ 2,230