Income Taxes (Schedule of Future Cash Payments Relating to the Toll Tax) (Details) $ in Millions	Dec. 31, 2021 USD ($)
2017 Tax Act Toll Tax
Total	$ 2,149.5
Less than 1 Year	253.7
1-3 Years	1,109.9
3-5 Years	$ 785.9

Tax Cut And Jobs Act, Toll Tax, To Be Paid, After Three Through Five Years

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