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OTHER LIABILITIES, INCLUDING EMPLOYEE BENEFITS (Postretirement and Other Benefits) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Selling, general and administrative expenses | $ 443 | $ 477 | $ 597
Postemployment Benefits |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Accounts payable and accrued liabilities | 6 | 5 |
Other non-current liabilities | 39 | 38 |
Postretirement Medical and Life Insurance Benefit Plans |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Accounts payable and accrued liabilities | 13 | 14 |
Other non-current liabilities | $ 115 | $ 129 |
Discount rate | 4.20% | 3.50% |
Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |  |  |
2019 | $ 13 |  |
2020 | 13 |  |
2021 | 13 |  |
2022 | 12 |  |
2023 | 11 |  |
2024 through 2028 | 47 |  |
Net periodic benefit cost | $ 5 | $ 5 | $ 4
Discount rate | 3.50% | 3.80% | 4.10%
Health care cost trend rates for the next fiscal year | 7.75% |  |
Ultimate health care cost trend rate | 4.25% |  |

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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68048583&loc=d3e3636-108311 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 + Details
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