Consolidated statements of stockholders' equity or deficit - shares - shares shares in Millions	MCPS including paid-in capital	Common stock including paid-in capital
Beginning balance at Dec. 31, 2019	20.7	572.8
Exercise of stock options other than common stock transactions (in shares)		7.3
Ending balance at Dec. 31, 2020	20.7	580.1
Issuance of stock, net of issuance costs (in shares)		23.8
Exercise of stock options other than common stock transactions (in shares)		5.8
Ending balance at Dec. 31, 2021	20.7	609.7
Exercise of stock options other than common stock transactions (in shares)		1.7
Conversion of junior convertible preferred stock (in shares)	(20.7)	62.9
Ending balance at Dec. 31, 2022	0.0	674.3