Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|---|---|---|---|
| Deferred tax assets | |||
| Loss carryforwards | $ 4,414 | $ 4,540 | |
| Lease liabilities | 7,717 | 8,031 | |
| Property and equipment | 0 | 90 | |
| Reserves and accruals | 1,280 | 1,348 | |
| Federal and state tax credits | 404 | 411 | |
| Other | 2,888 | 2,665 | |
| Deferred tax assets, gross | 16,703 | 17,085 | |
| Valuation allowance | (435) | (878) | $ (129) |
| Deferred tax assets, net | 16,268 | 16,207 | |
| Deferred tax liabilities | |||
| Spectrum licenses | 18,060 | 17,518 | |
| Property and equipment | 380 | 0 | |
| Lease right-of-use assets | 6,761 | 7,239 | |
| Other intangible assets | 769 | 912 | |
| Other | 514 | 504 | |
| Total deferred tax liabilities | 26,484 | 26,173 | |
| Net deferred tax liabilities | $ 10,216 | $ 9,966 |
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- Definition Deferred Tax Assets, Operating Lease, Liability No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from indefinite lived intangible assets other than goodwill. No definition available.
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- Definition Deferred Tax Liabilities, Operating Lease, Right-of-Use Asset No definition available.
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- References No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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 valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment. No definition available.
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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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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from reserves and accruals. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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