Income Taxes - Additional Information (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | 12 Months Ended | |
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Jan. 01, 2018 |
Dec. 31, 2017 |
Dec. 31, 2017 |
Jun. 30, 2018 |
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Effective Income Tax Reconciliation [Line Items] | ||||
U.S. federal corporate tax rate | 35.00% | 35.00% | ||
Increase in provision for income taxes | $ 413.0 | $ 424.1 | ||
Transition tax | 340.9 | 340.9 | ||
从重新增加所得税费用of deferred tax assets and liabilities | 101.1 | 101.1 | ||
Decrease related to reduction of U.S. federal corporate tax rate | 25.0 | 25.0 | ||
Provisional tax amount included as a component of income tax expense from continuing operations | 442.0 | 442.0 | ||
Amount of unrecorded benefit | $ 12.6 | $ 12.6 | ||
Forecast | ||||
Effective Income Tax Reconciliation [Line Items] | ||||
U.S. federal corporate tax rate, blended rate | 28.10% | |||
Subsequent Event | ||||
Effective Income Tax Reconciliation [Line Items] | ||||
U.S. federal corporate tax rate | 21.00% |
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Change In Income Tax Expense (Benefit) From Prior Period No definition available.
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Change In Income Tax Expense (Benefit) From Prior Period, Decrease In Enacted Tax Rate No definition available.
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Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act, Amount No definition available.
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Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Blended Rate No definition available.
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[Line Items] for Effective Income Tax Reconciliation [Table] No definition available.
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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 increase (decrease) in the income tax rates. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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 repatriation of foreign earnings. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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