v3.8.0.1
Consolidated Statements of Cash Flows - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2017
Jan. 01, 2017
Jan. 03, 2016
Cash flows from operating activities:      
Consolidated net income $ 678 $ 428 $ 458
Adjustments to reconcile net income to net cash provided by operating activities:      
Gain on deconsolidation of GRAIL (453)    
Depreciation expense 110 90 73
Amortization of intangible assets 46 51 54
Share-based compensation expense 164 129 133
Accretion of debt discount 30 30 39
Deferred income taxes 81 94 81
Impairment of intangible assets 23    
Cost-method investment gain, net     (16)
Gain on litigation settlement   (11)  
Other 1 13 4
Changes in operating assets and liabilities:      
Accounts receivable (26) 3 (96)
Inventory (33) (30) (81)
Prepaid expenses and other current assets 8 (1) (11)
Other assets (5) (7) (2)
Accounts payable 10 (2) 46
Accrued liabilities 81 (24) 99
Other long-term liabilities 160 16 5
Net cash provided by operating activities 875 779 786
Cash flows from investing activities:      
Purchases of available-for-sale securities (742) (895) (797)
Sales of available-for-sale securities 322 543 582
Maturities of available-for-sale securities 321 140 294
Net cash paid for acquisitions   (18) (37)
Proceeds from sale of GRAIL securities 278    
Deconsolidation of GRAIL cash (52)    
Net purchases of strategic investments (29) (14) (6)
Purchases of property and equipment (310) (260) (143)
Cash paid for intangible assets (2) (11)  
Net cash used in investing activities (214) (515) (107)
Cash flows from financing activities:      
Payments on financing obligations (9) (66) (245)
Payments on acquisition related contingent consideration liability (3) (29) (3)
Proceeds from issuance of debt 5 5  
Common stock repurchases (251) (249) (274)
Taxes paid related to net share settlement of equity awards (68) (100) (127)
Proceeds from issuance of common stock 71 47 72
Proceeds from early exercise of equity awards from a subsidiary   7  
Contributions from noncontrolling interest owners 79 89 32
Net cash used in financing activities (176) (296) (545)
Effect of exchange rate changes on cash and cash equivalents 5 (2) (1)
Net increase (decrease) in cash and cash equivalents 490 (34) 133
Cash and cash equivalents at beginning of year 735 769 636
Cash and cash equivalents at end of year 1,225 735 769
Supplemental cash flow information:      
Cash paid for income taxes $ 149 $ 60 $ 17