Debt and standby letters of credit facilities (Tables)

9 Months Ended

Sep. 30, 2020

Debt Disclosure [Abstract]

Schedule of debt outstanding

Sirius Group's debt outstanding as of September 30, 2020 and December 31, 2019 consisted of the following:

(Millions)	September 30, 2020		Effective Rate(1)		December 31, 2019		Effective Rate(1)
2017 SEK Subordinated Notes, at face value	$	305.0	4.3	%	$	295.0	4.0	%
Unamortized issuance costs	(3.7)				(3.8)
2017 SEK Subordinated Notes, carrying value	301.3				291.2
2016 SIG Senior Notes, at face value	400.0		4.7	%	400.0		4.7	%
Unamortized discount	(2.1)				(2.3)
Unamortized issuance costs	(3.4)				(3.7)
2016 SIG Senior Notes, carrying value	394.5				394.0
Total debt	$	695.8			$	685.2

(1) Effective rate considers the effect of the debt issuance costs.