Stockholders' Equity - Common Stock (Narrative) (Details) - $ / shares	Sep. 30, 2023	Dec. 31, 2022
Equity [Abstract]
Common stock, par value (in USD per share)	$ 0.001	$ 0.001
Common stock authorized (in shares)	9,000,000,000	9,000,000,000
Common stock issued (in shares)	3,840,000,000	3,891,000,000
Common stock outstanding (in shares)	3,840,000,000	3,891,000,000
Common stock reserved for issuance (in shares)	220,000,000