Collaborative Arrangements - Moderna, Inc. (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Selling, general and administrative	$ 2,649	$ 2,739	$ 5,202	$ 5,221
Research and development	4,048	3,500	7,669	7,492
Accrued and other current liabilities	14,502		14,502		$ 15,694
Moderna, Inc. \| Collaborative Arrangement, Transaction with Party to Collaborative Arrangement
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Selling, general and administrative	6	4	12	6
Research and development	90	$ 93	176	$ 162
Accrued and other current liabilities	$ 22		$ 22		$ 57

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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