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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2018
Income Tax Disclosure [Abstract] |
Domestic and Foreign Components of Income (Loss) Before Income Taxes | The domestic and foreign components of income (loss) before income taxes were as follows (in millions):
|  | December 31, |
|  | 2018 |  |  | 2017 |  |  | 2016 |
United States |  | $ | 39 |  |  | $ | (64 | ) |  | $ | (206 | )
Foreign |  |  | 19 |  |  |  | 12 |  |  |  | (24 | )
Income (loss) before income taxes |  | $ | 58 |  |  | $ | (52 | ) |  | $ | (230 | )
Components of the Provision (Benefit) for Income Taxes | The provision (benefit) for income taxes for 2018, 2017 and 2016 consisted of the following (in millions):
|  | 2018 |  |  | 2017 |  |  | 2016 |
U.S. Federal: |  |  |  |  |  |  |  |  |  |  |  |
Current |  | $ | — |  |  | $ | — |  |  | $ | 2 |
Deferred |  |  | — |  |  |  | — |  |  |  | (1 | )
|  |  | — |  |  |  | — |  |  |  | 1 |
U.S. State: |  |  |  |  |  |  |  |  |  |  |  |
Current |  |  | 1 |  |  |  | — |  |  |  | — |
Deferred |  |  | — |  |  |  | — |  |  |  | — |
|  |  | 1 |  |  |  | — |  |  |  | — |
Foreign |  |  |  |  |  |  |  |  |  |  |  |
Current |  |  | 6 |  |  |  | 1 |  |  |  | 3 |
Deferred |  |  | (1 | ) |  |  | (1 | ) |  |  | — |
|  |  | 5 |  |  |  | — |  |  |  | 3 |
Income tax provision (benefit) |  | $ | 6 |  |  | $ | — |  |  | $ | 4 |
Reconciliation Between Effective Tax Rate | The reconciliation between the Company’s effective tax rate on income (loss) from continuing operations and the statutory tax rate is as follows (in millions):
|  |  | December 31, |
|  |  | 2018 |  |  | 2017 |  |  | 2016 |
Income tax provision (benefit) at federal statutory rate |  |  | $ | 12 |  |  | $ | (18 | ) |  | $ | (81 | )
Foreign tax rate differential |  |  |  | 2 |  |  |  | (2 | ) |  |  | 2 |
State income tax provision (benefit), net of federal benefit |  |  |  | 3 |  |  |  | (5 | ) |  |  | (3 | )
Nondeductible expenses |  |  |  | 9 |  |  |  | 2 |  |  |  | 8 |
Foreign tax credits |  |  |  | 21 |  |  |  | (31 | ) |  |  | (2 | )
Benefit of net operating loss |  |  |  | (14 | ) |  |  | — |  |  |  | — |
One-time transition tax |  |  |  | 1 |  |  |  | 33 |  |  |  | — |
U.S. tax rate change |  |  |  | — |  |  |  | 69 |  |  |  | — |
Change in valuation allowance |  |  |  | (28 | ) |  |  | (45 | ) |  |  | 78 |
Change in contingency reserve and other |  |  |  | — |  |  |  | (3 | ) |  |  | 2 |
Income tax provision (benefit) |  |  | $ | 6 |  |  | $ | — |  |  | $ | 4 |
Effective tax rate |  |  |  | 10.7 | % |  |  | 0.0 | % |  |  | (1.6 | )%
Significant Components of Deferred Tax Assets and Liabilities | Significant components of the Company’s deferred tax assets and liabilities were as follows (in millions):
|  |  | December 31, |
|  |  | 2018 |  |  | 2017 |  |  | 2016 |
Deferred tax assets: |  |  |  |  |  |  |  |  |  |  |  |  |
Allowances and operating liabilities |  |  | $ | 8 |  |  | $ | 8 |  |  | $ | 8 |
Net operating loss carryforwards |  |  |  | 56 |  |  |  | 52 |  |  |  | 78 |
Foreign tax credit carryforwards |  |  |  | 8 |  |  |  | 29 |  |  |  | 5 |
Trade credit |  |  |  | 1 |  |  |  | 1 |  |  |  | 3 |
Allowance for doubtful accounts |  |  |  | 6 |  |  |  | 6 |  |  |  | 10 |
Inventory reserve |  |  |  | 10 |  |  |  | 12 |  |  |  | 18 |
Stock-based compensation |  |  |  | 8 |  |  |  | 15 |  |  |  | 19 |
Intangible assets |  |  |  | 24 |  |  |  | 27 |  |  |  | 53 |
Other |  |  |  | 4 |  |  |  | 2 |  |  |  | 6 |
Total deferred tax assets |  |  |  | 125 |  |  |  | 152 |  |  |  | 200 |
Deferred tax liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |
Tax over book depreciation |  |  |  | — |  |  |  | — |  |  |  | (4 | )
Total deferred tax liabilities |  |  |  | — |  |  |  | — |  |  |  | (4 | )
Net deferred tax assets before valuation allowance |  |  |  | 125 |  |  |  | 152 |  |  |  | 196 |
Valuation allowance |  |  |  | (129 | ) |  |  | (157 | ) |  |  | (202 | )
Net deferred tax liabilities |  |  | $ | (4 | ) |  | $ | (5 | ) |  | $ | (6 | )
Reconciliation of Unrecognized Tax Benefits | A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows (in millions):
|  | 2018 |  |  | 2017 |  |  | 2016 |
Unrecognized tax benefit at January 1 |  | $ | — |  |  | $ | 1 |  |  | $ | 1 |
Gross increases - tax positions in prior period |  |  | — |  |  |  | — |  |  |  | — |
Gross decreases - tax positions in prior period |  |  | — |  |  |  | — |  |  |  | — |
Gross increases - tax positions in current period |  |  | — |  |  |  | — |  |  |  | — |
Settlement |  |  | — |  |  |  | (1 | ) |  |  | — |
Lapse of statute of limitations |  |  | — |  |  |  | — |  |  |  | — |
Unrecognized tax benefit at December 31 |  | $ | — |  |  | $ | — |  |  | $ | 1 |

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