Debt

3 Months Ended

Mar. 31, 2022

Debt Disclosure [Abstract]

Debt

Debt

In 2020, we issued and sold $1.250 billion aggregate principal amount of senior unsecured notes due 2030 and $750 million aggregate principal amount of senior unsecured notes due 2050. Long-term debt in connection with our senior unsecured notes (collectively, the "Notes"), net of underwriting discounts and offering expenses, consists of the following:

	March 31,		December 31,
(In millions)	2022		2021
1.750% Senior Notes due September 2030	$	1,240.2	$	1,239.9
2.800% Senior Notes due September 2050	740.2		740.1
	$	1,980.4	$	1,980.0

Interest expense related to the Notes was $11.1 million for each of the three months ended March 31, 2022, and 2021.