Income Taxes	9 Months Ended
Income Taxes	Sep. 30, 2020
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes We use the discrete method to determine our quarterly tax provision because small changes in estimated ordinary annual income result in significant changes in our estimated annual effective tax rate. The discrete method treats the year-to-date period as if it was the annual period and determines the income tax expense or benefit on that basis. For the Successor three and nine months ended September 30, 2020, we recognized tax expense of $8 million and $64 million, respectively, on a loss before income taxes of $159 million and $1.6 billion, respectively, as compared to the Predecessor three and nine months ended September 30, 2019 where we recognized tax expense of $31 million and $76 million, respectively, on a loss before income taxes of $784 million and $1.5 billion, respectively. Tax expense for the three and nine months ended September 30, 2020 and 2019 includes withholding taxes, minimum taxes and deemed profit taxes that do not directly correlate to ordinary income or loss. Impairments and other charges did not result in significant tax benefit in either period. Tax expense for the Successor nine months ended September 30, 2020 includes $20 million recorded in the first quarter of 2020 to recognize valuation allowance in jurisdictions where we are no longer able to forecast taxable income and a subsequent $11 million release to derecognize such valuation allowance in the current quarter where this was no longer applicable. We routinely undergo tax examination in various jurisdictions. We cannot predict the timing or outcome regarding resolution of these tax examinations or if they will have a material impact on our financial statements. As of September 30, 2020, we anticipate that it is reasonably possible that our uncertain tax positions of $214 million may decrease by up to $2 million in the next twelve months due to expiration of statutes of limitations, settlements and/or conclusions of tax examinations. In response to the COVID-19 pandemic, many countries have enacted tax relief measures to provide aid and economic stimulus to companies impacted by the COVID-19 pandemic. For the Successor third quarter and nine months ended September 30, 2020, there were no material tax impacts to our financial statements as it relates to COVID-19 tax relief measures.

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.