Stockholder's Equity (Deficit) (Tables)

12 Months Ended

Dec. 31, 2022

Stockholders' Equity Note [Abstract]

Schedule of Common Stock Reserved for Future Issuance

The Company's common stock reserved for future issuances are summarized as follows:

	December 31,
	2022		2021
Common stock issued upon option exercise and RSUs vesting		16,881,549		13,486,708
Conversion of all classes of redeemable convertible   preferred stock		—		48,566,655
Issuances upon exercise of Legacy Gelesis warrants		—		1,836,429
Issuances upon exercise of common stock warrants		24,733,365		1,353,062
Earnout shares		23,482,845		—
Total common stock reserved for future issuance		65,097,759		65,242,854