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Revenue - Accounts Receivable, Unbilled Services, and Deferred Revenue (Details) - USD ($) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Jul. 31, 2022
Accounts receivable: |  |  |  |  |
Accounts receivable, beginning balance |  | $ 454,993,000 | $ 262,012,000 |  |
Additions |  | 1,768,457,000 | 2,432,268,000 |  |
Deductions |  | (2,127,240,000) | (2,239,287,000) |  |
Accounts receivable, ending balance | $ 96,210,000 | 96,210,000 | 454,993,000 | $ 262,012,000 |
Allowance for doubtful accounts: |  |  |  |  |
Allowance for doubtful accounts, beginning balance |  | 0 | 0 |  |
Additions |  | (13,835,000) | 0 | 0 |
Deductions |  | 0 | 0 |  |
Allowance for doubtful accounts, end balance | (13,835,000) | (13,835,000) | 0 | 0 |
Deferred revenue |  |  |  |  |
Deferred revenue, beginning balance |  | 1,595,472,000 | 273,228,000 |  |
Additions |  | 46,908,000 | 1,598,152,000 |  |
Deductions |  | (1,092,829,000) | (275,908,000) |  |
Deferred revenue, ending balance | 549,551,000 | 549,551,000 | 1,595,472,000 | 273,228,000 |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Bad debt expense |  | 13,835,000 | 0 | 0 |
Deferred revenue, current | 370,137,000 | 370,137,000 | 1,422,944,000 | 300,000,000 |
Deferred revenue, noncurrent | 179,414,000 | 179,414,000 | 172,528,000 | 0 |
Deferred revenue | 549,551,000 | 549,551,000 | $ 1,595,472,000 | $ 273,228,000 |
Collaboration agreement upfront payment amount | 819,000,000 | 819,000,000 |  |  |
Revenue, performance obligation satisfied at previous quarter | 41,900,000 |  |  |  |
Revenue |  |  |  |  |
Deferred revenue |  |  |  |  |
Deferred revenue, ending balance | 273,800,000 | 273,800,000 |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Deferred revenue | 273,800,000 | 273,800,000 |  |  |
Gavi Advance Purchase Agreement- COVAX Facility |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Collaboration agreement upfront payment amount | 697,400,000 | 697,400,000 |  |  |
Joint Committee on Vaccination and Immunization (JCVI) |  |  |  |  |
Deferred revenue |  |  |  |  |
Deferred revenue, ending balance | 112,500,000 | 112,500,000 |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Deferred revenue | 112,500,000 | 112,500,000 |  |  |
Collaboration agreement upfront payment amount | $ 112,500,000 | $ 112,500,000 |  |  | $ 225,000,000

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