CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Dec. 31, 2023	Dec. 31, 2022
Stockholders' equity:
Preferred stock, par value (USD per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	10,000,000	10,000,000
Preferred stock, issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (USD per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	3,508,000,000	3,508,000,000
Common stock issued (in shares)	968,000,000	926,000,000
Common stock outstanding (in shares)	968,000,000	926,000,000