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Income Taxes (Details 2) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Deferred tax assets: |  |
Reserves not yet deducted for tax purposes | $ 3,905 | $ 2,633
Employee compensation and benefits | 383 | 365
Net operating loss and tax credit carryforwards | 399 | 119
Other | 765 | 417
Gross deferred tax assets | 5,452 | 3,534
Valuation allowance | (418) | (66)
Deferred tax assets after valuation allowance | 5,034 | 3,468
Deferred tax liabilities: |  |
Intangibles and fixed assets | 1,433 | 1,279
Deferred revenue | 252 | 315
Deferred interest | 148 | 162
Investment in joint ventures | 135 | 122
Other | 366 | 129
Gross deferred tax liabilities | 2,334 | 2,007
Net deferred tax assets | $ 2,700 | $ 1,461

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