table of contents adjustments that may result from tax examinations . however , the outcome of tax audits cannot be predicted with certainty . if any issues addressed in the company 2019s tax audits are resolved in a manner not consistent with management 2019s expectations , the company could be required to adjust its provision for income taxes in the period such resolution occurs . liquidity and capital resources the following table presents selected financial information and statistics as of and for the years ended september 28 , 2013 , september 29 , 2012 and september 24 , 2011 ( in millions ) : the company believes its existing balances of cash , cash equivalents and marketable securities will be sufficient to satisfy its working capital needs , capital asset purchases , outstanding commitments , and other liquidity requirements associated with its existing operations over the next 12 months . the company anticipates the cash used for future dividends and the share repurchase program will come from its current domestic cash , cash generated from on-going u.s . operating activities and from borrowings . as of september 28 , 2013 and september 29 , 2012 , $ 111.3 billion and $ 82.6 billion , respectively , of the company 2019s cash , cash equivalents and marketable securities were held by foreign subsidiaries and are generally based in u.s . dollar-denominated holdings . amounts held by foreign subsidiaries are generally subject to u.s . income taxation on repatriation to the u.s . the company 2019s marketable securities investment portfolio is invested primarily in highly-rated securities and its investment policy generally limits the amount of credit exposure to any one issuer . the policy requires investments generally to be investment grade with the objective of minimizing the potential risk of principal loss . during 2013 , cash generated from operating activities of $ 53.7 billion was a result of $ 37.0 billion of net income , non-cash adjustments to net income of $ 10.2 billion and an increase in net change in operating assets and liabilities of $ 6.5 billion . cash used in investing activities of $ 33.8 billion during 2013 consisted primarily of net purchases , sales and maturities of marketable securities of $ 24.0 billion and cash used to acquire property , plant and equipment of $ 8.2 billion . cash used in financing activities during 2013 consisted primarily of cash used to repurchase common stock of $ 22.9 billion and cash used to pay dividends and dividend equivalent rights of $ 10.6 billion , partially offset by net proceeds from the issuance of long-term debt of $ 16.9 billion . during 2012 , cash generated from operating activities of $ 50.9 billion was a result of $ 41.7 billion of net income and non-cash adjustments to net income of $ 9.4 billion , partially offset by a decrease in net operating assets and liabilities of $ 299 million . cash used in investing activities during 2012 of $ 48.2 billion consisted primarily of net purchases , sales and maturities of marketable securities of $ 38.4 billion and cash used to acquire property , plant and equipment of $ 8.3 billion . cash used in financing activities during 2012 of $ 1.7 billion consisted primarily of cash used to pay dividends and dividend equivalent rights of $ 2.5 billion . capital assets the company 2019s capital expenditures were $ 7.0 billion during 2013 , consisting of $ 499 million for retail store facilities and $ 6.5 billion for other capital expenditures , including product tooling and manufacturing process equipment , and other corporate facilities and infrastructure . the company 2019s actual cash payments for capital expenditures during 2013 were $ 8.2 billion. .

2013: cash cash equivalents and marketable securities: 146761
property plant and equipment net: 16597
long-term debt: 16960
working capital: 29628
cash generated by operating activities: 53666
cash used in investing activities: -33774
cash generated/ ( used in ) by financing activities: -16379
2012: cash cash equivalents and marketable securities: 121251
property plant and equipment net: 15452
long-term debt: 0
working capital: 19111
cash generated by operating activities: 50856
cash used in investing activities: -48227
cash generated/ ( used in ) by financing activities: -1698
2011: cash cash equivalents and marketable securities: 81570
property plant and equipment net: 7777
long-term debt: 0
working capital: 17018
cash generated by operating activities: 37529
cash used in investing activities: -40419
cash generated/ ( used in ) by financing activities: 1444

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Questions:
what is the total long-term debt of 2013 and 2012?
then what is the total long-term debt if we also include the year 2011?
what is the average of these 3 years?

Answers:
16960
16960
5653.3