Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 3,511.4	$ 2,852.1	$ 2,087.3
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	72.6	62.0	70.6
Stock-based compensation	439.2	355.4	296.8
Deferred income taxes	(312.0)	(492.9)	(370.8)
Other	(27.1)	(53.6)	(34.0)
Changes in operating assets and liabilities:
Accounts receivable, net	(746.4)	(106.1)	(105.9)
Inventories	(412.5)	110.6	(655.5)
Other assets	(937.4)	(234.2)	(66.4)
Accounts payable	260.5	(51.6)	198.6
Other liabilities	119.4	47.8	128.1
Deferred revenue	2,452.0	1,285.2	465.0
Income taxes, net	(47.8)	(66.5)	20.2
Net cash provided by operating activities	4,371.9	3,708.2	2,034.0
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from maturities of marketable securities	3,432.5	2,058.6	1,887.9
Proceeds from sale of marketable securities	144.3	48.8	67.3
Purchases of marketable securities	(6,748.4)	(4,526.1)	(2,606.9)
Purchases of property, equipment and intangible assets	(119.5)	(32.0)	(34.4)
Cash paid for business combination, net of cash acquired	(300.0)	0.0	1.8
Other	14.9	(6.6)	(3.2)
Net cash used in investing activities	(3,576.2)	(2,457.3)	(687.5)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock under equity plans	57.7	60.2	62.1
Tax withholding paid on behalf of employees for net share settlement	(50.5)	(58.4)	(33.6)
Repurchase of common stock	(1,603.1)	(423.6)	(112.3)
Net cash used in financing activities	(1,595.9)	(421.8)	(83.8)
Effect of exchange rate changes	1.7	(4.8)	0.8
NET INCREASE (DECREASE) IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	(798.5)	824.3	1,263.5
CASH, CASH EQUIVALENTS AND RESTRICTED CASH —Beginning of period	2,763.8	1,939.5	676.0
CASH, CASH EQUIVALENTS AND RESTRICTED CASH —End of period	1,965.3	2,763.8	1,939.5
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Cash paid for income taxes, net of refunds	$ 1,095.9	$ 970.6	$ 686.2