Income Tax Expense (Benefit), CARES Act

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are not subject to expiration dates.

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No definition available.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are subject to expiration dates.

+ References

No definition available.

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- Definition

Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill.

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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Estimated amount of loss resulting from an adverse tax position.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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- Definition

Amount of unrecognized tax benefits.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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Taxation - Additional Information (Details) R$ in Millions, $ in Millions	6 Months Ended		12 Months Ended
	Dec. 31, 2018 USD ($)	Jul. 01, 2018 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2020 BRL (R$)	Dec. 31, 2017 USD ($)
Related Party Transaction [Line Items]
Effective tax rate	(1.30%)	(0.80%)	(0.10%)	3.10%
Tax benefit, CARES Act			$ 5
Deferred tax assets, net operating loss carry forwards			251	$ 259
Deferred tax assets not subject to expiration			241	249
Deferred tax assets subject to expiration			10	10
Deferred tax liabilities, intangibles			0	4
Unrecognized tax benefits	$ 132	$ 61	82	89		$ 55
Accrued interest and penalties			18	18
Interest and penalties expense (benefit)	$ 11	$ 3	1	7
Unrecognized tax benefits that would have a favorable impact on effective tax rate			79
Cash collateral posted			197	242
Demand deposit pledged as collateral for tax related guarantee
Related Party Transaction [Line Items]
Cash collateral posted			65	$ 83	R$ 330
Secretariat of the Federal Revenue Bureau of Brazil
Related Party Transaction [Line Items]
Income tax examination, estimate of possible loss			161
Nigeria
Related Party Transaction [Line Items]
Income tax examination, estimate of possible loss			171
Other Noncurrent Liabilities
Related Party Transaction [Line Items]
Unrecognized tax benefits			61
Deferred Tax Asset Reduction
Related Party Transaction [Line Items]
Unrecognized tax benefits			$ 21