Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 150	$ 127
Marketable securities	828	632
Receivable from collaboration partners ($6 and $20 from a related party)	20	38
Prepaid expenses and other current assets	18	34
Total current assets	1,016	831
Long-term marketable securities	14	107
Property and equipment, net	47	51
Other noncurrent assets ($— and $6 from a related party)	73	106
Total assets	1,150	1,095
Current liabilities:
Accounts payable	18	17
Deferred revenue ($85 and $84 to a related party)	85	91
Other current liabilities	123	76
Total current liabilities	226	184
Deferred revenue, noncurrent ($234 and $291 to a related party)	234	307
Long-term debt	48	0
Other noncurrent liabilities	157	142
Commitments (Note 17)
Stockholders’ equity:
Common stock and additional paid-in capital: $0.0001 par value per share; 400.0 shares authorized; 92.2 shares in 2024 and 75.5 shares in 2023 issued and outstanding	1,617	1,311
Accumulated deficit	(1,132)	(849)
Total stockholders’ equity	485	462
Total liabilities and stockholders’ equity	$ 1,150	$ 1,095