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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Operating activities    
Net (loss) income $ (1,175) $ 79
Adjustments to reconcile net (loss) income to net cash used in operating activities:    
Stock-based compensation 101 75
Depreciation and amortization 36 78
Amortization/accretion of investments (27) (17)
Loss on equity investments, net 13 18
Deferred income taxes 0 (310)
Other non-cash items 3 (4)
Changes in assets and liabilities, net of acquisition of business:    
Accounts receivable, net 755 272
Prepaid expenses and other assets 3 (212)
Inventory (93) 216
Right-of-use assets, operating leases 16 4
Accounts payable (303) (117)
Accrued liabilities (398) (495)
Deferred revenue (33) (819)
Income taxes payable (11) 18
Operating lease liabilities (6) 4
Other liabilities 130 (15)
Net cash used in operating activities (989) (1,225) Close
Investing activities    
Purchases of marketable securities (2,544) (1,085)
Proceeds from maturities of marketable securities 1,573 1,360
Proceeds from sales of marketable securities 1,285 1,957
Purchases of property, plant and equipment (196) (113)
Acquisition of business, net of cash acquired 0 (85)
Investment in convertible notes and equity securities 0 (23)
Net cash provided by investing activities 118 2,011 Close
Financing activities    
Proceeds from issuance of common stock through equity plans 15 9
Repurchase of common stock, including excise tax 0 (526)
Changes in financing lease liabilities (1) (25)
Net cash provided by (used in) financing activities 14 (542) Close
Net (decrease) increase in cash, cash equivalents and restricted cash (857) 244 Close
Cash, cash equivalents and restricted cash, beginning of year 2,928 3,217
Cash, cash equivalents and restricted cash, end of period 2,071 3,461
Non-cash investing and financing activities    
Purchases of property and equipment included in accounts payable and accrued liabilities 91 98
Right-of-use assets obtained through finance lease modifications and reassessments $ 0 $ (60)