Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets:
Stock-based compensation	$ 440,889	$ 486,876
Tax credits and net operating loss carryforwards	834,402	544,431
Capitalized research expenses	1,075,474	593,439
Accruals and reserves	152,142	137,251
Operating lease liabilities	522,489	516,574
OCI hedging losses	0	35,707
Unrealized losses	12,157	26,506
Other	18,197	11,615
Total deferred tax assets	3,055,750	2,352,399
Valuation allowance	(540,272)	(442,293)
Net deferred tax assets	2,515,478	1,910,106
Deferred tax liabilities:
Depreciation & amortization	(370,709)	(357,477)
Operating right-of-use lease assets	(449,661)	(435,216)
OCI hedging gains	(220,009)	0
Acquired intangibles	(282,187)	(233,433)
Other	(15,354)	(9,430)
Total deferred tax liabilities	(1,337,920)	(1,035,556)
Net deferred tax assets	$ 1,177,558	$ 874,550