Business (Details) - USD ($) $ / shares in Units, $ in Millions	Sep. 21, 2023	Dec. 31, 2023	Dec. 31, 2022
Class of Stock [Line Items]
Shares, authorized (in shares)	2,030,000,000
Common stock, shares authorized (in dollars per share)	2,000,000,000	2,000,000,000	820,509,000
Preferred stock, shares authorized (in shares)	30,000,000	24,167,000	0
IPO
Class of Stock [Line Items]
Sale of stock, price per share (in dollars per share)	$ 30.00
Common Stock
Class of Stock [Line Items]
Convertible preferred stock, shares issued upon conversion (in shares)	167,691,838
Common Stock | IPO
Class of Stock [Line Items]
Sale of stock, number of shares issued in transaction (in shares)	14,100,000
Sale of stock, consideration received on transaction	$ 392
Series A Redeemable Convertible Preferred Stock | Private Placement
Class of Stock [Line Items]
Sale of stock, number of shares issued in transaction (in shares)	5,833,333
Sale of stock, price per share (in dollars per share)	$ 30.00
Sale of stock, consideration received on transaction	$ 175
Non-voting common stock issuable pursuant to a subscription agreement
Class of Stock [Line Items]
Stock exchanged during period, shares (in shares)	688,017