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Income Taxes (Reconciliations) (Details) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income Tax Disclosure [Abstract] |  |  |
U.S. statutory federal rate, expected (benefit) provision | 21.00% | 21.00% | 35.00%
Increase (reduction) in tax rate from: |  |  |
Tax impact from foreign operations | 7.00% | 0.00% | (5.00%)
Noncontrolling interests and equity earnings | 0.00% | (1.00%) | (2.00%)
State and local income taxes, net of federal benefit | 2.00% | 1.00% | 1.00%
Other permanent differences, net | 3.00% | 0.00% | (8.00%)
Contingent liability accrual | 1.00% | 3.00% | (2.00%)
U.S. taxes on foreign unremitted earnings | 3.00% | 0.00% | 0.00%
Change in valuation allowance | (10.00%) | (2.00%) | (90.00%)
Research and development credits, net of provision | (5.00%) | 0.00% | 0.00%
U.S. tax reform | 0.00% | 0.00% | (7.00%)
Effective tax rate on income from operations | 22.00% | 22.00% | (78.00%)

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