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Income Taxes (Reconciliation of Beginning and Ending Amounts of Unrecognized Tax Benefits) (Details) $ in Millions	9 Months Ended
	Sep. 30, 2022 USD ($)
Reconciliation of Unrecognized Tax [Roll Forward]
Balance at January 1	$ 1,504.9
Decreases for positions taken in prior years	(575.6)
Increases for positions taken in prior years	64.3
Increases for positions in the current year	30.3
Decreases due to settlements with taxing authorities	(407.5)
Decreases due to the lapsing of statutes of limitations	0.0
Balance at June 30	$ 616.4

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 10B
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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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