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Income Taxes (Details) - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Income Tax Disclosure [Abstract] |  |
Provisional income tax benefit | $ 71,000,000 |
Foreign withholding income tax | 45,000,000 | $ 45,000,000
Valuation allowance against deferred tax asset | $ 26,000,000 | 26,000,000
Withholding tax due |  | $ 0

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- Definition Foreign Withholding Income Tax + References No definition available. + Details
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- Definition Withholding Tax Due + References No definition available. + Details
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- References No definition available. + Details
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- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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