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Revenue - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Disaggregation of Revenue [Line Items] |  |  |  |  |
Deferred revenue | $ 1,100 |  | $ 1,100 |  | $ 1,100
Contract with customer, liability | 13 | $ 36 | 94 | $ 127 |
HSG |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Deferred revenue | $ 725 |  | $ 725 |  | $ 833
Maximum |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Long term supply, commitment period (in year) |  |  | 10 years |  |

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