Income Taxes Schedule of Effective Income Tax Rate Reconciliation (Tables)

12 Months Ended

Dec. 31, 2023

Income Tax Disclosure [Abstract]

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

A reconciliation of the effective income tax rate as reflected in our Consolidated Statements of Operations to the U.S. federal statutory income tax rate is listed below.

	Years ended December 31,
	2023			2022			2021
U.S. federal statutory income tax rate	21.0		%	21.0		%	21.0		%
Income tax provision at U.S. federal statutory rate	$	295.7		$	266.5		$	256.6
State and local income taxes, net of U.S. federal income tax benefit	35.3			27.7			21.0
Impact of foreign operations, including withholding taxes	51.4			37.9			47.8
U.S. tax incentives	(24.4)			(23.0)			(28.4)
Change in net valuation allowance 1	(2.5)			8.0			(59.4)
Divestitures	0.5			1.1			1.1
(Decrease)/Increase in unrecognized tax benefits	(61.1)			3.5			13.2
Other	(3.7)			(3.3)			(0.1)
Provision for income taxes	$	291.2		$	318.4		$	251.8
Effective income tax rate on operations	20.7		%	25.1		%	20.6		%

1Reflects changes in valuation allowances that impacted the effective income tax rate for each year presented.