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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Cash flows from (for) operating activities:      
Net loss $ (738) $ (1,331) $ (131)
Adjustments to reconcile net loss to net cash provided by (used) in operating activities:      
Depreciation and amortization 417 371 322
Equity-based compensation expense 605 513 344
Amortization of discount and issuance costs on convertible notes 8 8 7
Impairment and other related net charges 14 39 12
Gain on debt extinguishment (100) (96) 0
Other non-cash adjustments (3) 41 6
Changes in operating assets and liabilities:      
Accounts receivable, net 132 (48) (118)
Inventories 16 (21) (17)
Prepaid expenses and other assets 16 27 (28)
Accounts payable and other liabilities (18) (177) 13
Net cash provided by (used in) operating activities 349 (674) 410 Close
Cash flows (for) from investing activities:      
Purchase of short- and long-term investments (36) (430) (989)
Sale and maturities of short- and long-term investments 233 889 749
Purchase of property and equipment (148) (186) (101)
Site and software development costs (203) (272) (179)
Other investing activities, net 2 0 5
Net cash (used in) provided by investing activities (152) 1 (515) Close
Cash flows from (for) financing activities:      
Repurchase of common stock 0 (75) (300)
Proceeds from issuance of convertible notes, net of issuance costs 678 678 0
Premiums paid for capped call confirmations (87) (80) 0
Payment of principal upon maturity of convertible debt 0 (3) 0
Payments to extinguish convertible debt (514) (504) 0
Other financing activities, net 0 0 (3)
Net cash provided by (used in) financing activities 77 16 (303) Close
Effect of exchange rate changes on cash, cash equivalents and restricted cash 2 1 (16) Close
Net increase (decrease) in cash, cash equivalents and restricted cash 276 (656) (424) Close
Cash, cash equivalents and restricted cash      
Beginning of year 1,050 1,706 2,130
End of year 1,326 1,050 1,706
Supplemental cash flow information:      
Cash paid for interest on long-term debt 53 27 27
Non-cash impact to equity upon conversion of convertible notes, net of taxes 0 0 265
Purchase of property and equipment included in accounts payable and other liabilities 19 (6) 41
Reconciliation of cash, cash equivalents and restricted cash to consolidated balance sheets      
Cash and cash equivalents 1,322 1,050 1,706
Restricted cash included within prepaid expenses and other current assets 4 0 0
Total cash, cash equivalents and restricted cash $ 1,326 $ 1,050 $ 1,706