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COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Millions | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2020 | Dec. 31, 2019
Accrual for Environmental Loss Contingencies [Roll Forward] |  |  |
Beginning of period | $ 709 |  |
Accruals for environmental matters deemed probable and reasonably estimable | 83 |  |
Environmental liability payments | (79) |  |
Other | (4) |  |
End of period | 709 |  |
Loss Contingency, Classification of Accrual [Abstract] |  |  |
Accrued liabilities |  | $ 222 | $ 222
Other liabilities |  | 487 | 487
Total environmental liabilities | $ 709 | $ 709 | $ 709

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- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14326-108349 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 + Details
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