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Acquisitions and Divestitures - Divestitures and Held for Sale (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
May 31, 2024 | Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Gain on divestiture |  | $ 25 | $ 0 | $ 25 | $ 2
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Payments Testing Business |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Cash proceeds | $ 30 |  |  |  |
Gain on divestiture | $ 25 |  |  |  |
Disposal Group, Held-for-Sale, Not Discontinued Operations | Testing Laboratory |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Other assets classified as held-for-sale |  | $ 11 |  | $ 11 |

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