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Summary of Significant Accounting Policies - Narrative (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 USD ($) segment | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Significant Accounting Policies [Line Items] |  |  |  |
Number of reportable segments | segment | 3 |  |  |
Useful life | 13 years 6 months |  |  |
Deferred contract costs | $ 45 | $ 26 |  |
Equity capital | 27,698 | 25,786 | $ 22,761 | $ 22,748
Foreign currency transaction loss | $ 15 | 12 | 9 |
Employee stock |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Percentage of purchase price of common stock (in percentage) | 85.00% |  |  |
Foreign currency translation adjustments |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Equity capital | $ (285) | $ (230) | $ (278) | $ (150)
Software Development |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Useful life | 3 years |  |  |
Software Development Except Services and NYSE Platforms |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Useful life | 7 years |  |  |

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