Taxes - Carryforwards (Details) $ in Millions |
12 Months Ended |
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Dec. 31, 2020
USD ($)
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| Loss and tax credit carryforwards | |
| Tax effect of foreign and domestic loss carryforwards | $ 661 |
| Foreign and domestic tax credit carryforwards | $ 1,903 |
| Minimum | |
| Loss and tax credit carryforwards | |
| Period for which substantially all loss and tax credit carryforwards are available | 2 years |
| Period for which the majority of loss and tax credit carryforwards are available | 10 years |
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- Definition 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. No definition available.
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- Definition Number of years for which substantially all of the loss and tax credit carryforwards are available. No definition available.
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- Definition Number of years for which the majority of loss and tax credit carryforwards are available. No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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