2021 2020 2019 2018 2017 Operating Cash Flow $11.5B$5.94B$2.4B$2.1B$-60.65M Net Income $5.52B$690M$-862M$-976.09M$-1.96B Depreciation & Amortization $2.91B$2.32B$2.15B$1.9B$1.64B Deferred Income Tax $0$0$0$0$0 Stock-Based Compensation $2.12B$1.73B$898M$749.02M$466.76M Change In Working Capital $-5.07B$11.03B$3.12B$-581.68M$-1.54B Other Non-Cash Items $6.02B$-9.84B$-2.91B$1.01B$1.33B Cash From Investing $-7.87B$-3.13B$-1.44B$-2.34B$-4.42B Purchases Of Investments $-132M$0$0$0$0 Sales / Maturities of Investments $0$0$0$0$0 Property, Plant & Equipment Investments $-6.51B$-3.23B$-1.44B$-2.32B$-4.08B Net Acquisitions $0$-13M$-45M$-17.91M$-114.52M Other Investing Activites $-1.22B$113M$46M$0$-223.09M Cash From Financing $-5.2B$9.97B$1.53B$573.75M$4.41B Debt Repayment $-14.62B$-12.2B$-9.87B$-6.09B$-4.26B Dividend Payments $0$0$0$0$0 Payout Ratio 0%0%0%0%0% Net Common Stock Repurchased $0$-12.27B$-848M$0$-400.18M Common Stock Repurchased $0$0$0$0$0 Common Stock Issued $0$-12.27B$-848M$0$-400.18M Other Financing Activites $9.41B$9.9B$10.55B$6.66B$8.28B Accounts Receivables $-130M$-652M$-367M$-496.73M$-24.64M Accounts Payables $0$0$0$0$0 Inventory $-1.71B$-422M$-429M$-1.02B$-178.85M Other Working Capital $7.39B$12.47B$1.44B$-1.69B$-1.1B Capital Expenditure (CAPEX) $-8.01B$-3.24B$-1.44B$-2.32B$-4.08B Effect Of Foreign Exchange On Cash $-183M$334M$8M$-22.7M$39.45M Net Change In Cash $-1.76B$13.12B$2.51B$311.43M$-25.3M Free Cash Flow (FCF) $3.48B$2.7B$968M$-221.71M$-4.14B Free Cash Flow To Equity (FCFE) $-11.13B$-9.5B$-8.9B$-6.31B$-8.41B