Goodwill and Intangible Assets (Narrative) (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($) right	Jun. 30, 2024 USD ($)	Jul. 18, 2025 USD ($)	Dec. 31, 2024 USD ($)
Finite-Lived Intangible Assets [Line Items]
Number of Reporting Units | right			5
Impairment of goodwill	$ 0.0	$ 321.0	$ 2,936.8	$ 321.0
In-process research and development	801.9		801.9			$ 814.2
Subsequent Event
Finite-Lived Intangible Assets [Line Items]
In-process research and development					$ 74.0
North America Segment
Finite-Lived Intangible Assets [Line Items]
Goodwill, After Amortization Expense, Before Reclassification	$ 3,090.0		3,090.0
Impairment of goodwill			$ (707.0)
North America Segment | Valuation Technique, Discounted Cash Flow
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input term			10 years
North America Segment | Measurement Input, Discount Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input	0.125		0.125
North America Segment | Measurement Input, Long-term Revenue Growth Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input	0.031		0.031
North America Segment | Measurement Input, Terminal Year Revenue Growth Rate | Valuation Technique, Discounted Cash Flow
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input	0.030		0.030
North America Segment | Measurement Input, Estimated Tax Rate | Valuation Technique, Discounted Cash Flow
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input	0.248		0.248
Europe Segment
Finite-Lived Intangible Assets [Line Items]
Goodwill, After Amortization Expense, Before Reclassification	$ 3,920.0		$ 3,920.0
Impairment of goodwill			$ (1,554.0)
Europe Segment | Valuation Technique, Discounted Cash Flow
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input term			10 years
Europe Segment | Measurement Input, Discount Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input	0.120		0.120
Europe Segment | Measurement Input, Long-term Revenue Growth Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input	0.033		0.033
Europe Segment | Measurement Input, Terminal Year Revenue Growth Rate | Valuation Technique, Discounted Cash Flow
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input	0.020		0.020
Europe Segment | Measurement Input, Estimated Tax Rate | Valuation Technique, Discounted Cash Flow
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input	0.158		0.158
Japan, Austalia and New Zealand Segment
Finite-Lived Intangible Assets [Line Items]
Goodwill, After Amortization Expense, Before Reclassification	$ 300.0		$ 300.0
Japan, Austalia and New Zealand Segment | Valuation Technique, Discounted Cash Flow
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input term			10 years
Japan, Austalia and New Zealand Segment | Measurement Input, Discount Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input	0.085		0.085
Japan, Austalia and New Zealand Segment | Measurement Input, Long-term Revenue Growth Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input	0.009		0.009
Japan, Austalia and New Zealand Segment | Measurement Input, Terminal Year Revenue Growth Rate | Valuation Technique, Discounted Cash Flow
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input	0.010		0.010
Japan, Austalia and New Zealand Segment | Measurement Input, Estimated Tax Rate | Valuation Technique, Discounted Cash Flow
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input	0.302		0.302
Emerging Markets Segment
Finite-Lived Intangible Assets [Line Items]
Goodwill, After Amortization Expense, Before Reclassification	$ 1,170.0		$ 1,170.0
Impairment of goodwill			$ 375.0
Emerging Markets Segment | Valuation Technique, Discounted Cash Flow
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input term			10 years
Emerging Markets Segment | Measurement Input, Discount Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input	0.145		0.145
Emerging Markets Segment | Measurement Input, Long-term Revenue Growth Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input	0.035		0.035
Emerging Markets Segment | Measurement Input, Terminal Year Revenue Growth Rate | Valuation Technique, Discounted Cash Flow
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input	0.020		0.020
Emerging Markets Segment | Measurement Input, Estimated Tax Rate | Valuation Technique, Discounted Cash Flow
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input	0.167		0.167
Greater China
Finite-Lived Intangible Assets [Line Items]
Goodwill, After Amortization Expense, Before Reclassification	$ 920.0		$ 920.0
Impairment of goodwill			0.0
Estimated impairment			$ 322.0
Estimated impairment, percent			0.058
Greater China | Valuation Technique, Discounted Cash Flow
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input term			10 years
Greater China | Measurement Input, Discount Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input	0.150		0.150
Greater China | Measurement Input, Reduction in Terminal Year Revenue Growth Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input	0.035		0.035
Greater China | Measurement Input, Increase in Discount Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input	0.010		0.010
Greater China | Measurement Input, Long-term Revenue Growth Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input	0.016		0.016
Greater China | Measurement Input, Terminal Year Revenue Growth Rate | Valuation Technique, Discounted Cash Flow
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input	0.015		0.015
Greater China | Measurement Input, Estimated Tax Rate | Valuation Technique, Discounted Cash Flow
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input	0.247		0.247
Japan, Australia and New Zealand Segment
Finite-Lived Intangible Assets [Line Items]
Impairment of goodwill		$ 321.0	$ 300.8
Japan, Australia and New Zealand Segment | Measurement Input, Reduction in Terminal Year Revenue Growth Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input		0.005		0.005
Japan, Australia and New Zealand Segment | Measurement Input, Increase in Discount Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment, measurement input		0.010		0.010