Income Taxes (Reconciliation of Beginning and Ending Amounts of Unrecognized Tax Benefits) (Details) $ in Millions	6 Months Ended
Jun. 30, 2022 USD ($)
Reconciliation of Unrecognized Tax [Roll Forward]
Balance at January 1	$ 1,504.9
Decreases for positions taken in prior years	(572.1)
Increases for positions taken in prior years	49.8
Increases for positions in the current year	19.4
Decreases due to settlements with taxing authorities	(362.0)
Decreases due to the lapsing of statutes of limitations	0.0
Balance at June 30	$ 640.0

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

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
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-SubTopic 10
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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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