Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Comprehensive income (loss)
Net income (loss)	$ (386.0)	$ 55.8	$ 143.8
Other comprehensive loss, net of tax
Change in foreign currency translation	(5.0)	(0.2)	0.0
Unrealized losses from debt securities held as available for sale investments	(42.5)	0.0	0.0
Reclassifications from accumulated other comprehensive income	2.7	0.0	0.0
Total other comprehensive loss	(44.8)	(0.2)	0.0
Comprehensive income (loss)	(430.8)	55.6	143.8
Net (income) loss attributable to noncontrolling interests	(0.8)	2.3	(0.3)
Comprehensive income (loss) available to SiriusPoint	$ (431.6)	$ 57.9	$ 143.5