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Cross default provision on default relating to any indebtedness

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Debt Instrument Tendered

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- Definition

Percentage Of Additional Subset Of Assets Capped

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- Definition

Security Interest And Other Subset Of Asset

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- Definition

Working Capital Adjustment

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- Definition

Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Face (par) amount of the original debt instrument that was repurchased.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

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Long-Term Debt (Narrative) (Details) - USD ($) $ in Millions			1 Months Ended		12 Months Ended
	Aug. 18, 2020	Apr. 13, 2020	Sep. 30, 2020	Aug. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Debt Instrument Tendered				$ 969.3
Loss on early extinguishment of long-term debt					$ 0.0	$ (243.5)	$ 0.0
Working Capital Adjustment			$ 5.3
Debt Instrument, Convertible, Conversion Ratio					57.40%
Security interest and other subset of asset					$ 200.0
Asset sale covenant percentage of consolidated total assets					15.00%
Cross default provision on default relating to any indebtedness					$ 75.0
Percentage of additional subset of assets capped					10.00%
Senior Notes
Debt Instrument [Line Items]
Face amount of notes		$ 1,000.0
Maximum
Debt Instrument [Line Items]
Cross default provision on default relating to any indebtedness					$ 50.0
Minimum
Debt Instrument [Line Items]
Cross default provision on default relating to any indebtedness					$ 5.0
3.60% Notes Due 2030
Debt Instrument [Line Items]
Interest rate on debt		3.60%
3.60% Notes Due 2030 \| Senior Notes
Debt Instrument [Line Items]
Proceeds from Debt, Net of Issuance Costs		$ 987.8
0.95% Notes Due 2025
Debt Instrument [Line Items]
Interest rate on debt	0.95%
0.95% Notes Due 2025 \| Senior Notes
Debt Instrument [Line Items]
Face amount of notes	$ 1,250.0
1.70% Notes Due 2031
Debt Instrument [Line Items]
Interest rate on debt	1.70%
1.70% Notes Due 2031 \| Senior Notes
Debt Instrument [Line Items]
Face amount of notes	$ 750.0
0.95% Notes Due 2025 and 1.70% Notes Due 2031 [Member] \| Senior Notes
Debt Instrument [Line Items]
Proceeds from Debt, Net of Issuance Costs	$ 1,980.4
3.65% Notes Due 2023
Debt Instrument [Line Items]
Interest rate on debt			3.65%	3.65%
4.45% Notes Due 2021
Debt Instrument [Line Items]
Interest rate on debt			4.45%	4.45%
2.65% Notes Due 2022
Debt Instrument [Line Items]
Interest rate on debt			2.65%	2.65%
3.85% Notes Due 2023
Debt Instrument [Line Items]
Interest rate on debt			3.85%	3.85%
6.25% Notes Due 2040
Debt Instrument [Line Items]
Interest rate on debt				6.25%
5.95% Notes Due 2041
Debt Instrument [Line Items]
Interest rate on debt				5.95%
5.89% Notes Due 2025
Debt Instrument [Line Items]
Interest rate on debt			5.89%
Senior Note Redeemed August & September 2020 [Member]
Debt Instrument [Line Items]
Debt Instrument, Repurchased Face Amount			$ 609.3
Loss on early extinguishment of long-term debt			231.8
Note Redeemed September 2020 [Member]
Debt Instrument [Line Items]
Debt Instrument, Repurchased Face Amount			25.0
Loss on early extinguishment of long-term debt			$ 11.7
6.26% Notes Due 2028 [Member]
Debt Instrument [Line Items]
Interest rate on debt			6.26%
Revolving Credit Facility \| Maximum
Debt Instrument [Line Items]
Debt Instrument, Convertible, Conversion Ratio					70.00%