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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Cash flows from operating activities:    
Net income (loss) $ 987,371 $ (168,597)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:    
Depreciation and amortization 69,304 66,515
Stock-based compensation 187,189 194,340
Deferred income taxes 234,188 (85,609)
Other, net 3,445 (4,824)
(Gain) on equity investments (3,064) (126,206)
Loss on change in fair value of acquisition-related contingent consideration 22,129 23,847
Changes in operating assets and liabilities:    
Accounts receivable (42,275) (14,893)
Prepaid expenses and other assets (221,275) (55,381)
Inventory (53,654) (93,352)
Accounts payable (26,414) 69,109
Accrued and other liabilities (286,747) 149,170
Net cash provided by (used in) operating activities 870,197 (45,881)
Cash flows from investing activities:    
Sale of equity investments 8 282,866
Capital expenditures (36,990) (68,879)
Payments for intangible assets (25,000) (13,900)
Purchases of marketable securities (212,852) (228,986)
Maturities of marketable securities 209,643 207,881
Net cash (used in) provided by investing activities (65,191) 178,982
Cash flows from financing activities:    
Repurchases of Common Stock 0 (2,004,790)
Excise tax paid on repurchase of Common Stock (19,100) 0
Proceeds from issuance of Common Stock under stock plans 61,553 16,242
Tax withholdings related to restricted and performance share vesting (60,469) (39,416)
Payment of finance lease liabilities (3,386) (2,761)
Payment of contingent consideration (15,298) (11,216)
Net cash used in financing activities (36,700) (2,041,941)
Effect of exchange rates on cash, cash equivalents, and restricted cash (908) (535)
Net increase (decrease) in cash, cash equivalents, and restricted cash 767,398 (1,909,375)
Cash, cash equivalents, and restricted cash at beginning of period 1,689,451 3,215,221
Cash, cash equivalents, and restricted cash at end of period 2,456,849 1,305,846
Supplemental Schedule of Cash Flow Information    
Income taxes paid 185,221 302,860
Cash paid for contract dispute settlement 294,881 0
Unpaid excise tax on repurchase of Common Stock 0 19,185
Unpaid purchases of property and equipment 4,158 3,538
Leased assets obtained in exchange for new operating lease liabilities 3,163 2,436
Leased assets obtained in exchange for new finance lease liabilities $ 438 $ 1,959