Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Apr. 04, 2021	Mar. 29, 2020
Cash flows from operating activities:
Net income	$ 147	$ 173
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation expense	41	37
Amortization of intangible assets	7	7
Share-based compensation expense	67	39
Accretion of debt discount	10	10
Deferred income taxes	(79)	(29)
Losses (gains) on marketable equity securities	72	(3)
(Gain) loss on derivative assets related to terminated acquisition	(26)	95
Other	(19)	(2)
Changes in operating assets and liabilities:
Accounts receivable	(39)	99
Inventory	8	(24)
Prepaid expenses and other current assets	7	(14)
Operating lease right-of-use assets and liabilities, net	(3)	(1)
Other assets	(4)	(11)
Accounts payable	(8)	(16)
Accrued liabilities	105	(103)
Other long-term liabilities	(4)	24
Net cash provided by operating activities	282	281
Cash flows from investing activities:
Maturities of available-for-sale securities	331	107
Purchases of available-for-sale securities	(77)	(256)
Sales of available-for-sale securities	1,031	186
Cash received (paid for) derivative assets related to terminated acquisition	52	(132)
Purchases of property and equipment	(42)	(40)
Purchases of strategic investments	(3)	0
Sales of strategic investments	84	0
Net cash provided by (used in) investing activities	1,376	(135)
Cash flows from financing activities:
Net proceeds from issuance of debt	988	0
Payments on convertible senior notes	(27)	0
Common stock repurchases		(188)
Taxes paid related to net share settlement of equity awards	(24)	(35)
Proceeds from issuance of common stock	31	32
Net cash provided by (used in) financing activities	968	(191)
Effect of exchange rate changes on cash and cash equivalents	(3)	(6)
Net increase (decrease) in cash and cash equivalents	2,623	(51)
Cash and cash equivalents at beginning of period	1,810	2,042
Cash and cash equivalents at end of period	$ 4,433	$ 1,991