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Schedule II Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Selling, general and administrative expenses |  |  |
Movement in valuation and qualifying accounts |  |  |
Provision / charged (credit) to expense | $ 12 |  |
Income from affiliates |  |  |
Movement in valuation and qualifying accounts |  |  |
Provision / charged (credit) to expense | 2 |  |
Cost of sales |  |  |
Movement in valuation and qualifying accounts |  |  |
Provision / charged (credit) to expense | 2 |  |
Allowance for Doubtful Accounts: |  |  |
Movement in valuation and qualifying accounts |  |  |
Balance at beginning of year | 14 | $ 21 | $ 12
Provision / charged (credit) to expense | 16 | (1) | 13
Net deductions/ Other | (1) | (6) | (4)
Balance at end of year | 29 | 14 | 21
Allowance for Notes Receivable |  |  |
Movement in valuation and qualifying accounts |  |  |
Balance at beginning of year | 16 |  |
Provision / charged (credit) to expense |  | 16 |
Balance at end of year | 16 | 16 |
Allowance for Deferred Tax Assets: |  |  |
Movement in valuation and qualifying accounts |  |  |
Balance at beginning of year | 58 | 19 | 21
Provision / charged (credit) to expense | 1 | 39 | (2)
Balance at end of year | 59 | 58 | 19
Reserve for LIFO Valuation: |  |  |
Movement in valuation and qualifying accounts |  |  |
Balance at beginning of year | 21 | 28 | 37
Net deductions/ Other | 10 | (7) | (9)
Balance at end of year | $ 31 | $ 21 | $ 28

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- Definition Total of the deductions in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized, respectively. Along with total of recoveries of amounts due the Entity that had previously been written off as uncollectible using allowances (the valuation accounts that are netted against the cost of an asset to value it at its carrying value) and total of reestablishments of reserves (liabilities established to represent expected future costs) that had previously been utilized. Along with total currency translation adjustment. + References No definition available. + Details
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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- Definition Amount of increase in the allowances and reserves, which consist of the valuation and qualifying accounts that are either netted against the cost of an asset or that reflect a liability established to represent expected future costs, from charges to costs and expenses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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