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Income Taxes (Tables) | 6 Months Ended
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Jun. 30, 2021
Income Tax Disclosure [Abstract] |
Schedule of Income Tax Provisions | The tax provision (benefit) for the second quarter and six months ended June 30, 2021 and 2020 were comprised of the following:
| Second quarter ended |  | Six months ended
| June 30, |  | June 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Pre-tax income (loss) at estimated annual effective income tax rate before discrete items | $ | 32 |  |  | $ | (31) |  |  | $ | 65 |  |  | $ | 40 |
Impact of change in estimated annual effective tax rate on previous quarter’s pre-tax income | (1) |  |  | 18 |  |  | — |  |  | — |
Interim period treatment of operational losses in foreign jurisdictions for which no tax benefit is recognized | 1 |  |  | 1 |  |  | 1 |  |  | 1 |
Other discrete items | 4 |  |  | 10 |  |  | 3 |  |  | 2 |
Provision (benefit) for income taxes | $ | 36 |  |  | $ | (2) |  |  | $ | 69 |  |  | $ | 43 |

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32639-109319 + Details
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