Financial report context:
table of contents liquidity and capital resources the following table presents selected financial information and statistics as of and for the years ended september 27 , 2014 , september 28 , 2013 and september 29 , 2012 ( 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 . to provide additional flexibility in managing liquidity , the company began accessing the commercial paper markets in the third quarter of 2014 . the company currently 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 27 , 2014 and september 28 , 2013 , $ 137.1 billion and $ 111.3 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 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 long-term debt and commercial paper of $ 12.0 billion and $ 6.3 billion , respectively . 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 cash used for purchases of marketable securities , net of sales and maturities , of $ 24.0 billion and cash used to acquire property , plant and equipment of $ 8.2 billion . cash used in financing activities of $ 16.4 billion during 2013 consisted primarily of cash used to repurchase common stock of $ 22.9 billion and cash used to pay dividends and dividend equivalents of $ 10.6 billion , partially offset by net proceeds from the issuance of long-term debt of $ 16.9 billion . apple inc . | 2014 form 10-k | 35 .

Financial table:
2014: cash cash equivalents and marketable securities; 2013: $ 155239; 2012: $ 146761; column_4: $ 121251
2014: property plant and equipment net; 2013: $ 20624; 2012: $ 16597; column_4: $ 15452
2014: long-term debt; 2013: $ 28987; 2012: $ 16960; column_4: $ 0
2014: working capital; 2013: $ 5083; 2012: $ 29628; column_4: $ 19111
2014: cash generated by operating activities; 2013: $ 59713; 2012: $ 53666; column_4: $ 50856
2014: cash used in investing activities; 2013: $ -22579 ( 22579 ); 2012: $ -33774 ( 33774 ); column_4: $ -48227 ( 48227 )
2014: cash used in financing activities; 2013: $ -37549 ( 37549 ); 2012: $ -16379 ( 16379 ); column_4: $ -1698 ( 1698 )

Additional report context:
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Question: what was the change in amount of long term debt between 2014 and 2012?
Answer: 28987