an increase in the net change in operating assets and liabilities of $11.7 billion. Cash used in investing activities of $56.3 billion during 2015 consisted primarily of cash used for purchases of marketable securities, net of sales and maturities, of $44.4 billion and cash used to acquire property, plant and equipment of $11.2 billion. Cash used in financing activities of $17.7 billion during 2015 consisted primarily of cash used to repurchase common stock of $35.3 billion and cash used to pay dividends and dividend equivalents of $11.6 billion, partially offset by net proceeds from the issuance of term debt of $27.1 billion. 

During 2014, cash generated from operating activities of $59.7 billion was a result of $39.5 billion of net income, non-cash adjustments to net income of $13.2 billion and an increase in net change in operating assets and liabilities of $7.0 billion. Cash used in investing activities of $22.6 billion during 2014 consisted primarily of cash used for purchases of marketable securities, net of sales and maturities, of $9.0 billion; cash used to acquire property, plant and equipment of $9.6 billion; and cash paid for business acquisitions, net of cash acquired, of $3.8 billion. Cash used in financing activities of $37.5 billion during 2014 consisted primarily of cash used to repurchase common stock of $45.0 billion and cash used to pay dividends and dividend equivalents of $11.1 billion, partially offset by net proceeds from the issuance of term debt and commercial paper of $12.0 billion and $6.3 billion, respectively. 

Capital Assets 

The Company’s capital expenditures were $11.2 billion during 2015. The Company anticipates utilizing approximately $15.0 billion for capital expenditures during 2016, which includes product tooling and manufacturing process equipment; data centers; corporate facilities and infrastructure, including information systems hardware, software and enhancements; and retail store facilities. 

Debt 

In 2014, the Board of Directors authorized the Company to issue unsecured short-term promissory notes (“Commercial Paper”) pursuant to a commercial paper program. The Company intends to use the net proceeds from the commercial paper program for general corporate purposes, including dividends and share repurchases. As of September 26, 2015, the Company had $8.5 billion of Commercial Paper outstanding, with a weighted-average interest rate of 0.14% and maturities generally less than nine months. 

As of September 26, 2015, the Company has outstanding floating- and fixed-rate notes for an aggregate principal amount of $55.7 billion (collectively the “Notes”). The Company has entered, and in the future may enter, into interest rate swaps to manage interest rate risk on the Notes. In addition, the Company has entered, and in the future may enter, into currency swaps to manage foreign currency risk on the Notes. The future principal payments for the Company’s Notes as of September 26, 2015 are as follows (in millions): 

Further information regarding the Company’s debt issuances and related hedging activity can be found in Part II, Item 8 of this Form 10-K in the Notes to the Consolidated Financial