Income Taxes Change in Unrecognized Tax Benefits (Details) $ in Millions	9 Months Ended
Sep. 30, 2020 USD ($)
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Tax Adjustments, Settlements, and Unusual Provisions	$ 136.2
Minimum [Member]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Decrease in unrecognized tax benefits is reasonably possible	20.0
Maximum [Member]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Decrease in unrecognized tax benefits is reasonably possible	$ 10.0

Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
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Amount of increase (decrease) to previously recorded tax expense. Includes, but is not limited to, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, and IRS tax settlement.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Section 25
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