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Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2017
Valuation and Qualifying Accounts [Abstract] |
Valuation and Qualifying Accounts | STMICROELECTRONICS N.V. VALUATION AND QUALIFYING ACCOUNTS
Valuation and qualifying accounts deducted from the related asset accounts |  | Balance at beginning of period |  |  | Translation adjustment |  |  | Charged to costs and expenses |  |  | Additions/ (Deductions) |  |  | Balance at end of period |
|  | (Currency — millions of U.S. dollars) |
2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts Receivable |  |  | 12 |  |  |  | — |  |  |  | — |  |  |  | 3 |  |  |  | 15 |
Deferred Tax Assets |  |  | 1,578 |  |  |  | 24 |  |  |  | 3 |  |  |  | (103 | ) |  |  | 1,502 |
2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts Receivable |  |  | 7 |  |  |  | — |  |  |  | 3 |  |  |  | 2 |  |  |  | 12 |
Deferred Tax Assets |  |  | 1,585 |  |  |  | (4 | ) |  |  | 13 |  |  |  | (16 | ) |  |  | 1,578 |
2015 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts Receivable |  |  | 8 |  |  |  | — |  |  |  | 2 |  |  |  | (3 | ) |  |  | 7 |
Deferred Tax Assets |  |  | 1,607 |  |  |  | (28 | ) |  |  | 24 |  |  |  | (18 | ) |  |  | 1,585 |

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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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