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Schedule II - Valuation and Qualifying Accounts and Reserves | 12 Months Ended
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Dec. 31, 2017
Valuation and Qualifying Accounts [Abstract] |
Schedule II - Valuation and Qualifying Accounts and Reserves | SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS AND RESERVES (In millions)
COLUMN A | COLUMN B | COLUMN C | COLUMN D | COLUMN E
|  | Additions |  |
Description | Balance at beginning of period | Charged to costs and expense | Charged to other accounts | Deductions – write-offs | Balance at end of period
For the year ended December 31, 2017
Allowances deducted from assets to which they apply: |  |  |  |  |
Trade accounts receivable | $ | 76 |  | $ | — |  | $ | 6 |  | $ | (11 | ) | $ | 71 |
Deferred tax assets | 225 |  | 9 |  | — |  | (6 | ) | 228 |
For the year ended December 31, 2016
Allowances deducted from assets to which they apply: |  |  |  |  |
Trade accounts receivable | 83 |  | 9 |  | (1 | ) | (15 | ) | 76 |
Deferred tax assets | 241 |  | (14 | ) | 2 |  | (4 | ) | 225 |
For the year ended December 31, 2015
Allowances deducted from assets to which they apply: |  |  |  |  |
Trade accounts receivable | 88 |  | 4 |  | (9 | ) | — |  | 83 |
Deferred tax assets | 245 |  | 21 |  | (9 | ) | (16 | ) | 241 |
Amounts charged to other accounts primarily relates to foreign currency translation.

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 + Details
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- References No definition available. + Details
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