Asset Impairment, Restructuring, and Other Special Charges (Narrative) (Details) $ in Millions	12 Months Ended
Dec. 31, 2021 USD ($)
Restructuring and Related Activities [Abstract]
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]	Asset impairment, restructuring, and other special charges (Note 5)
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration]	Asset impairment, restructuring, and other special charges (Note 5)
Impairment of intangible assets, finite-lived	$ 128.0
Impairment of intangible assets, indefinite-lived	$ 108.1

Indicates line item in statement of income or comprehensive income that includes impairment of finite-lived intangible asset.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482665/350-30-50-3

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- Definition

Indicates line item in statement of income or comprehensive income that includes impairment of indefinite-lived intangible asset excluding goodwill.

+ References

+ Details

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- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482665/350-30-50-3

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- Definition

Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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- References

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