Goodwill and Other Intangibles (Tables)

12 Months Ended

Dec. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-lived Intangible Assets other than Goodwill

The components of intangible assets other than goodwill at December 31 were as follows:

	2023						2022
	Carrying Amount, Gross		Accumulated Amortization		Carrying Amount, Net		Carrying Amount, Gross		Accumulated Amortization		Carrying Amount, Net
Finite-lived intangible assets:
Marketed products	$	8,216.8	$	(2,277.0)	$	5,939.8	$	7,957.5	$	(2,622.7)	$	5,334.8
Indefinite-lived intangible assets:
Acquired IPR&D	966.8		—		966.8		1,871.8		—		1,871.8
Other intangibles	$	9,183.6	$	(2,277.0)	$	6,906.6	$	9,829.3	$	(2,622.7)	$	7,206.6

Schedule of Indefinite-lived Intangible Assets other than Goodwill

The components of intangible assets other than goodwill at December 31 were as follows:

	2023						2022
	Carrying Amount, Gross		Accumulated Amortization		Carrying Amount, Net		Carrying Amount, Gross		Accumulated Amortization		Carrying Amount, Net
Finite-lived intangible assets:
Marketed products	$	8,216.8	$	(2,277.0)	$	5,939.8	$	7,957.5	$	(2,622.7)	$	5,334.8
Indefinite-lived intangible assets:
Acquired IPR&D	966.8		—		966.8		1,871.8		—		1,871.8
Other intangibles	$	9,183.6	$	(2,277.0)	$	6,906.6	$	9,829.3	$	(2,622.7)	$	7,206.6

Schedule of finite-lived Intangible Assets Amortization Expense

Amortization expense related to finite-lived intangible assets was as follows:

	2023		2022		2021
Amortization expense	$	505.6	$	579.7	$	628.8

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

The estimated amortization expense for each of the next five years associated with our finite-lived intangible assets as of December 31, 2023 is as follows:

	2024		2025		2026		2027		2028
Estimated amortization expense	$	542.5	$	530.3	$	519.7	$	517.7	$	511.6