How much cash was provided (used) by Apple's operations in the year ended September 26, 2015? Is this trend positive or negative?

Apple Inc. CONSOLIDATED STATEMENTS OF CASH FLOWS (In millions) Years ended Cash and cash equivalents, beginning of the year Operating activities: September 26, 2015 September 27, 2014 September 28, 2013 10,746 13,844 14,259 S 53,394 39,510 37,037 Net income Adjustments to reconcile net income to cash generated by operating activities Depreciation and amortization Share-based compensation expense Deferred income tax expense 6,757 2,253 1,141 11,257 7,946 2,863 Changes in operating assets and liabilities: 611 (238) (3,735) (179) 5,400 1,042 (2,172) (973) 223 1,080 2,340 Accounts receivable, net Inventories Vendor non-trade receivables Other current and non-current assets Accounts payable Deferred revenue Other current and non-current liabilities (4,232) (2,220) 167 5,938 6,010 9.713 Cash generated by operating activities 53,666 Investing activities: (148,489) 20,317 104,130 (496) (8,165) 911) (160) (33,774) Purchases of marketable securities Proceeds from maturities of marketable securities Proceeds from sales of marketable securities Payments made in connection with business acquisitions, net Payments for acquisition of property, plant and equipment Payments for acquisition of intangible assets Other (166,402) 14,538 107,447 (343) (217,128) 18,810 189,301 (3,765) (9,571) (242) 16 (22,579) (241) (26) (56,274) Cash used in investing activities Financing activities: 530 Proceeds from issuance of common stock Excess tax benefits from equity awards Taxes paid related to net share settlement of equity awards Dividends and dividend equivalents paid Repurchase of common stock Proceeds from issuance of term debt, net Change in commercial paper, net 739 (1,158) (11,126) (45,000) 11,960 6,306 37549 (1,499) (11,561) (35,253) (1,082) 10,564) (22,860) 16,896 2,191 7,716) 7,276 Cash used in financing activities (16.379) Increase (decrease) in cash and cash equivalents Cash and cash equivalents, end of the year 13,844 S 14,259 Supplemental cash flow disclosure: 10,026 S Cash paid for income taxes, net Cash paid for interest 13,252 9,128