Income Taxes - Effective Tax Rate Reconciliation (Details) - USD ($) $ in Billions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|
| Effective Income Tax Rate Reconciliation, Percent [Abstract] | |||
| Statutory tax rate | 21.00% | 21.00% | 21.00% |
| Effect of foreign operations | 2.40% | (8.40%) | (28.70%) |
| U.S. tax credits | (10.60%) | (3.30%) | (7.30%) |
| Impacts related to U.S. tax reform | (1.10%) | (1.60%) | 8.20% |
| Non-deductible expenses | 7.20% | 1.00% | 1.20% |
| Tax law changes and related restructuring | (48.50%) | 3.10% | 0.00% |
| Stock-based compensation excess tax benefit | (0.90%) | (0.20%) | (1.50%) |
| Tax audit settlements | (5.10%) | (4.70%) | (2.50%) |
| All other, net | (0.40%) | (0.40%) | 0.20% |
| Effective tax rate | (36.00%) | 6.50% | (9.40%) |
| Amount of net tax benefit related to changes in tax laws and related restructuring, including certain intra-group transfers of intellectual property and deferred tax remeasurement | $ 1.7 | ||
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- Definition Effective income tax rate impacts related to U.S. tax reform No definition available.
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax law changes and related restructuring. No definition available.
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| X | ||||||||||
- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax law changes and related restructuring expenses. No definition available.
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- Definition Represents the portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to accrual of U.S. tax credits under enacted tax laws. No definition available.
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax settlements. Including, but not limited to, domestic tax settlement, foreign tax settlement, state and local tax settlement, and other tax settlements. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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