Summary of Significant Accounting Policies Fair Values of Derivative Instruments Included on Consolidated Balance Sheet (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value	$ 282.5	$ 289.6
Liability Derivatives Fair Value	(141.7)	(7.9)
Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Pretax, Accumulated Other Comprehensive Income (Loss)	30.7
Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value	82.0	79.3
Liability Derivatives Fair Value	(140.1)	(7.9)
Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value	200.5	210.3
Liability Derivatives Fair Value	(1.6)	0.0
Royalty Arrangement
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	$ 1,500.0
Period covered by hedge	18 months
Foreign currency \| Prepaid expenses and other current assets \| Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value	$ 53.3	42.4
Foreign currency \| Prepaid expenses and other current assets \| Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value	0.0	0.5
Foreign currency \| Accrued payroll and other liabilities \| Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Liability Derivatives Fair Value	(17.9)	(3.3)
Foreign currency \| Accrued payroll and other liabilities \| Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives Fair Value	0.0	0.0
Foreign currency \| Miscellaneous other assets \| Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value	28.7	28.0
Foreign currency \| Other long- term liabilities \| Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Liability Derivatives Fair Value	(30.7)	(0.5)
Interest rate \| Prepaid expenses and other current assets \| Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value	0.0	0.3
Interest rate \| Accrued payroll and other liabilities \| Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Liability Derivatives Fair Value	0.0	0.0
Interest rate \| Miscellaneous other assets \| Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value	0.0	8.6
Interest rate \| Other long- term liabilities \| Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Liability Derivatives Fair Value	(91.5)	(4.1)
Equity \| Prepaid expenses and other current assets \| Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value	200.5	9.5
Equity \| Accrued payroll and other liabilities \| Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives Fair Value	(1.6)	0.0
Equity \| Miscellaneous other assets \| Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value	0.0	$ 200.3
Fair Value Hedging \| Interest Rate Risk [Member]
Derivatives, Fair Value [Line Items]
Increase (Decrease) in Fair Value of Interest Rate Fair Value Hedging Instruments	91.5
Gain (Loss) Recognized in Income on Derivative	96.3
Interest Rate Swap
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	1,200.0
Intercompany Debt [Member]
Derivatives, Fair Value [Line Items]
Notional Amount of Nonderivative Instruments	679.0
Debt [Member]
Derivatives, Fair Value [Line Items]
Notional Amount of Nonderivative Instruments	$ 12,200.0

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