Goodwill and Other Intangibles (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets and Goodwill

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

	2018							2017
Description	Carrying Amount, Gross		Accumulated Amortization			Carrying Amount, Net		Carrying Amount, Gross		Accumulated Amortization			Carrying Amount, Net
Finite-lived intangible assets:
Marketed products	$	2,077.2	$	(1,069.0	)	$	1,008.2	$	4,528.8	$	(3,251.3	)	$	1,277.5
Other	89.5		(29.7		)	59.8		117.1		(40.2		)	76.9
Other intangibles	$	2,166.7	$	(1,098.7	)	$	1,068.0	$	4,645.9	$	(3,291.5	)	$	1,354.4

Finite-lived Intangible Assets Amortization Expense

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

	2018		2017		2016
Amortization expense	$	361.3	$	462.2	$	517.2

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, 2018 is as follows:

	2019		2020		2021		2022		2023
Estimated amortization expense	$	145.4	$	144.0	$	141.6	$	133.8	$	122.6