| Submission | Feb. 28, 2025 |
| Submission [Line Items] | |
| Central Index Key | 0001579091 |
| Registrant Name | Maplebear Inc. |
| Form Type | S-8 |
| Submission Type | S-8 |
| Fee Exhibit Type | EX-FILING FEES |
| Offerings | Feb. 28, 2025 USD ($) shares |
| Offering: 1 | |
| Offering: | |
| Fee Previously Paid | false |
| Other Rule | true |
| Security Type | Equity |
| Security Class Title | Common Stock, par value $0.0001 per share |
| Amount Registered | shares | 13,048,201 |
| Proposed Maximum Offering Price per Unit | 42 |
| Maximum Aggregate Offering Price | $ 548,024,442 |
| Fee Rate | 0.01531% |
| Amount of Registration Fee | $ 83,903 |
| Offering Note | Pursuant to Rule 416(a) under the Securities Act of 1933, as amended (the “ Securities Act ”), this Registration Statement shall also cover any additional shares of common stock (“ Common Stock ”) of Maplebear Inc. (the “ Registrant ”) that become issuable under the Registrant’s 2023 Equity Incentive Plan (the “ 2023 Plan ”) and the Registrant’s 2023 Employee Stock Purchase Plan (the “ 2023 ESPP ”) by reason of any stock dividend, stock split, recapitalization, or other similar transaction effected that results in an increase to the number of outstanding shares of the Registrant’s Common Stock. Estimated in accordance with Rule 457(c) and (h) under the Securities Act solely for the purpose of calculating the registration fee on the basis of the average of the high and low prices of the Registrant’s Common Stock as reported on the Nasdaq Global Select Market on February 27, 2025. |
| Offering: 2 | |
| Offering: | |
| Fee Previously Paid | false |
| Other Rule | true |
| Security Type | Equity |
| Security Class Title | Common Stock, par value $0.0001 per share |
| Amount Registered | shares | 2,609,640 |
| Proposed Maximum Offering Price per Unit | 35.7 |
| Maximum Aggregate Offering Price | $ 93,164,148 |
| Fee Rate | 0.01531% |
| Amount of Registration Fee | $ 14,264 |
| Offering Note | Pursuant to Rule 416(a) under the Securities Act of 1933, as amended (the “ Securities Act ”), this Registration Statement shall also cover any additional shares of common stock (“ Common Stock ”) of Maplebear Inc. (the “ Registrant ”) that become issuable under the Registrant’s 2023 Equity Incentive Plan (the “ 2023 Plan ”) and the Registrant’s 2023 Employee Stock Purchase Plan (the “ 2023 ESPP ”) by reason of any stock dividend, stock split, recapitalization, or other similar transaction effected that results in an increase to the number of outstanding shares of the Registrant’s Common Stock. Estimated in accordance with Rule 457(c) and (h) under the Securities Act solely for the purpose of calculating the registration fee on the basis of the average of the high and low prices of the Registrant’s Common Stock as reported on the Nasdaq Global Select Market on February 27, 2025, multiplied by 85%, which is the percentage of the price per share applicable to purchases under the 2023 ESPP. Represents the automatic increase to the number of shares of the Registrant’s Common Stock available for issuance under the 2023 ESPP effective January 1, 2025, as provided for under the 2023 ESPP. |
| Fees Summary | Feb. 28, 2025 USD ($) |
| Fees Summary [Line Items] | |
| Total Offering | $ 641,188,590 |
| Previously Paid Amount | 0 |
| Total Fee Amount | 98,167 |
| Total Offset Amount | 0 |
| Net Fee | $ 98,167 |
