2021 2020 2019 2018 2017 Operating Cash Flow $3.52B$1.07B$493M$34M$68M Net Income $3.16B$2.49B$341M$337M$-33M Depreciation & Amortization $463M$354M$258M$170M$144M Deferred Income Tax $308M$-1.22B$-4M$-4M$0 Stock-Based Compensation $379M$274M$197M$137M$97M Change In Working Capital $-774M$1.49B$682M$435M$-63M Other Non-Cash Items $-17M$-2.31B$-981M$-1.04B$-77M Cash From Investing $-686M$-952M$-149M$-170M$-114M Purchases Of Investments $-2.06B$-850M$-284M$-123M$-222M Sales / Maturities of Investments $1.68B$192M$325M$45M$222M Property, Plant & Equipment Investments $-301M$-294M$-217M$-163M$-113M Net Acquisitions $0$0$0$0$1M Other Investing Activites $-7M$0$27M$71M$-2M Cash From Financing $-1.9B$6M$43M$28M$-33M Debt Repayment $0$-200M$-403M$-41M$-110M Dividend Payments $0$0$0$0$0 Payout Ratio 0%0%0%0%0% Net Common Stock Repurchased $2B$78M$0$0$0 Common Stock Repurchased $-2B$-78M$0$0$0 Common Stock Issued $2B$78M$0$0$0 Other Financing Activites $104M$284M$446M$69M$77M Accounts Receivables $-640M$-219M$-623M$-806M$-89M Accounts Payables $801M$-513M$373M$207M$-75M Inventory $-556M$-417M$-137M$-151M$12M Other Working Capital $0$3.73B$2.24B$1.56B$1.12B Capital Expenditure (CAPEX) $-301M$-294M$-217M$-163M$-113M Effect Of Foreign Exchange On Cash $0$0$0$0$0 Net Change In Cash $940M$125M$387M$-108M$-79M Free Cash Flow (FCF) $3.22B$777M$276M$-129M$-45M Free Cash Flow To Equity (FCFE) $3.22B$577M$-127M$-170M$-155M