Income Taxes - Differences Between U.S. Federal Statutory Income Tax Rate and Effective Tax Rate on Income Before Income Taxes (Details)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Statutory tax rate	21.00%	21.00%	35.00%
State income taxes, net of federal benefit	1.50%	0.00%	3.60%
Effect of non-U.S. operations	2.70%	(10.70%)	5.90%
Intercompany sale of intellectual property	(13.80%)	0.00%	0.00%
Change in the reserve for tax contingencies	4.70%	15.70%	(2.80%)
Law changes	0	(0.013)	0.418
Stock-based compensation expense	(3.90%)	(5.30%)	11.00%
Nondeductible acquisition costs	0.00%	0.90%	(7.90%)
Nondeductible meals and entertainment costs	1.70%	2.70%	(3.50%)
Gains/Losses on divested operations and held-for-sale assets	0.00%	12.20%	13.10%
Limitation on executive compensation	2.40%	2.70%	(0.10%)
Global intangible low-taxed income, net of foreign tax credits	1.90%	0.10%	0.00%
Foreign-derived intangible income	(1.00%)	(2.00%)	0.00%
Change in the valuation allowance	(0.90%)	0.50%	3.00%
Goodwill	0.00%	(3.80%)	0.00%
Other items, net	(0.90%)	(0.30%)	3.50%
Effective tax rate	15.40%	32.40%	102.60%

Effective Income Tax Rate Reconciliation, Foreign-Derived Intangible Income, Percent

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Effective Income Tax Rate Reconciliation, Intercompany Sale Of Intellectual Property, Percent

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

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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 state and local income tax expense (benefit), net of federal tax expense (benefit).

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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 contingencies. Includes, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies.

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Percentage of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to Tax Cuts and Jobs Act.

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