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Schedule II Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2018
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
Valuation and Qualifying Accounts | VALUATION AND QUALIFYING ACCOUNTS For the three years ended December 31, 2018
(in millions) |  | Balance at beginning of period |  | Additions charged to expense(1) |  | Amounts (credited) charged to other income statement accounts (2) |  | Deductions and other, net of recoveries (3)(4) |  | Balance at end of period
Allowance for Losses: |  |  |  |  |  |  |  |  |  |
2018 | Accounts Receivable |  | $ | 2 |  |  | $ | — |  |  | $ | — |  |  | $ | (1 | ) |  | $ | 1 |
2017 | Accounts Receivable |  | 7 |  |  | (1 | ) |  | — |  |  | (4 | ) |  | 2 |
2016 | Accounts Receivable |  | 6 |  |  | 4 |  |  | — |  |  | (3 | ) |  | 7 |
Tax Valuation Allowance: |  |  |  |  |  |  |  |  |  |
2018 | Tax Valuation |  | 35 |  |  | 9 |  |  | — |  |  | — |  |  | 44 |
2017 | Tax Valuation |  | 24 |  |  | 11 |  |  | — |  |  | — |  |  | 35 |
2016 | Tax Valuation |  | 38 |  |  | — |  |  | — |  |  | (14 | ) |  | 24 |
__________
(1) | Account Receivables: additions charged to expense represent bad debt provisions relate to estimated losses due to credit and similar collectibility issues.
(2) | Account Receivables: Other charges (credits) relate to adjustments to reserves necessary to reflect events of non-payment such as customer accommodations and contract terminations.
(3) | Account Receivables: Deductions and other, net of recoveries primarily relates to receivable write-offs, but also includes the impact of foreign currency translation adjustments and recoveries of previously written off receivables.

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -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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- References No definition available. + Details
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