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. .

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

Question: what was the average amount in millions of long-term debt in the three year period?
Answer: 5653.3
Calculation: add(16960, 0), add(#0, 0), divide(#1, const_3)