Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Series E convertible preferred stock, par value	$ 1,000	$ 1,000
Series E convertible preferred stock, authorized	14,722	14,722
Series E convertible preferred stock, issued	1,111	1,111
Series E convertible preferred stock, outstanding	1,111	1,111
Series E convertible preferred stock, aggregate liquidation preference	$ 1.1	$ 1.1
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	750,000,000,000	750,000,000,000
Common stock, shares issued	478,266,632,384	478,266,632,384
Common stock, shares outstanding	478,266,632,384	478,266,632,384