Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Jan. 03, 2021	Dec. 29, 2019	Dec. 30, 2018
Cash flows from operating activities:
Consolidated net income	$ 656	$ 990	$ 782
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation expense	156	151	140
Amortization of intangible assets	31	37	39
Share-based compensation expense	194	194	193
Accretion of debt discount	40	46	41
Deferred income taxes	117	11	(18)
Payment of accreted debt discount	0	(84)	0
Unrealized gains on marketable equity securities	(270)	(53)	(21)
Gains on deconsolidation	0	(54)	0
Loss on derivative assets related to terminated acquisition	116	8	0
Other	(33)	(1)	4
Changes in operating assets and liabilities:
Accounts receivable	89	(58)	(105)
Inventory	(12)	25	(53)
Prepaid expenses and other current assets	(20)	(14)	5
Operating lease right-of-use assets and liabilities, net	(11)	(5)	0
Other assets	(33)	(30)	(9)
Accounts payable	40	(35)	45
Accrued liabilities	(7)	(44)	103
Other long-term liabilities	27	(33)	(4)
Net cash provided by operating activities	1,080	1,051	1,142
Cash flows from investing activities:
Maturities of available-for-sale securities	493	1,387	860
Purchases of available-for-sale securities	(1,802)	(1,010)	(2,859)
Sales of available-for-sale securities	1,298	629	597
Purchases of property and equipment	(189)	(209)	(296)
Net purchases of strategic investments	(124)	(20)	(15)
Cash paid for derivative assets related to terminated acquisition	(132)	(18)	0
Deconsolidation of Helix cash	0	(29)	0
Proceeds from the deconsolidation of GRAIL	0	15	0
Net cash paid for acquisitions	(98)	0	(100)
Net cash (used in) provided by investing activities	(554)	745	(1,813)
Cash flows from financing activities:
Payments on financing obligations	0	(550)	(4)
Net proceeds from issuance of debt	0	0	735
Common stock repurchases	(736)	(324)	(201)
Proceeds from issuance of common stock	61	59	46
Taxes paid related to net share settlement of equity awards	(91)	(82)	(74)
Contributions from noncontrolling interest owners	0	0	92
Net cash (used in) provided by financing activities	(766)	(897)	594
Effect of exchange rate changes on cash and cash equivalents	8	(1)	(4)
Net (decrease) increase in cash and cash equivalents	(232)	898	(81)
Cash and cash equivalents at beginning of year	2,042	1,144	1,225
Cash and cash equivalents at end of year	1,810	2,042	1,144
Supplemental cash flow information:
Cash paid for income taxes	119	164	99
Cash paid for operating lease liabilities	$ 86	$ 84	$ 0