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Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Deferred tax assets: |  |
Reserves not yet deducted for tax purposes | $ 4,950 | $ 4,552
Employee compensation and benefits | 343 | 335
Net operating loss and tax credit carryforwards | 464 | 466
Capitalized developed software | 1,084 | 743
Other | 853 | 723
Gross deferred tax assets | 7,694 | 6,819
Valuation allowance | (655) | (614)
Deferred tax assets after valuation allowance | 7,039 | 6,205
Deferred tax liabilities: |  |
Intangibles and fixed assets | 673 | 683
Deferred revenue | 0 | 62
Deferred interest | 113 | 114
Other | 579 | 566
Gross deferred tax liabilities | 1,365 | 1,425
Net deferred tax assets | $ 5,674 | $ 4,780

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