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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

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