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Income Taxes - Tax Rate Reconciliation (Details) - USD ($)
$ in Billions
 3 Months Ended 12 Months Ended
Dec. 31, 2022
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Income Tax Disclosure [Abstract]        
Federal statutory income tax rate   21.00% 21.00% 21.00%
State income tax expense   (19.80%) 1.20% 0.80%
Foreign rate differential   (0.40%) (0.40%) 2.00%
Non-deductible expenses   2.20% (0.20%) (0.70%)
Stock-based compensation   (5.20%) (1.90%) (1.40%)
Federal research and development credits   (5.10%) (7.20%) 0.60%
Deferred tax on investments   0.00% (3.50%) (1.10%)
Entity restructuring   (0.50%) 0.60% (12.70%)
Change in unrecognized tax benefits   37.80% (6.80%) (8.90%)
Valuation allowance   (164.30%) (2.80%) 1.10%
US effects on foreign operations   (2.50%) 4.10% 0.60%
Withholding taxes   (0.10%) 9.50% (0.30%)
Other interest   (2.80%) (4.10%) 1.70%
Other, net   0.10% (0.30%) (0.80%)
Effective income tax rate   (139.60%) 9.20% 1.90%
Income Taxes [Line Items]        
Increase (decrease) in deferred tax $ (1.7) $ (1.2)    
Domestic Tax Jurisdiction        
Income Taxes [Line Items]        
Release of valuation allowance   5.2    
State and Local Jurisdiction        
Income Taxes [Line Items]        
Release of valuation allowance   $ 1.2