Other Financial Information - Comirnaty Gross Profit Split (Details) - USD ($) $ in Millions	Sep. 29, 2024	Dec. 31, 2023
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Other current assets	$ 3,855	$ 4,911
Other current liabilities	19,917	20,537
BioNTech [Member] \| Comirnaty [Member] \| Collaborative Arrangement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Other current liabilities	$ 375	$ 2,000

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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