what was the change in property plant and equipment net from 2012 to 2013 in millions?
Important information:
text_14: 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 .
table_2: the property plant and equipment net of 2014 is $ 20624 ; the property plant and equipment net of 2013 is $ 16597 ; the property plant and equipment net of 2012 is $ 15452 ;
table_5: the cash generated by operating activities of 2014 is $ 59713 ; the cash generated by operating activities of 2013 is $ 53666 ; the cash generated by operating activities of 2012 is $ 50856 ;
Reasoning Steps:
Step: minus1-1(16597, 15452) = 1145
Program:
subtract(16597, 15452)
Program (Nested):
subtract(16597, 15452)

Please answer the following financial question based on the context provided. Make sure to give the answer in raw number, not in percentage and without any units. If the question asks for percentage the value should be less than 1
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 .
Table
                                                | 2014               | 2013               | 2012              
cash cash equivalents and marketable securities | $ 155239           | $ 146761           | $ 121251          
property plant and equipment net                | $ 20624            | $ 16597            | $ 15452           
long-term debt                                  | $ 28987            | $ 16960            | $ 0               
working capital                                 | $ 5083             | $ 29628            | $ 19111           
cash generated by operating activities          | $ 59713            | $ 53666            | $ 50856           
cash used in investing activities               | $ -22579 ( 22579 ) | $ -33774 ( 33774 ) | $ -48227 ( 48227 )
cash used in financing activities               | $ -37549 ( 37549 ) | $ -16379 ( 16379 ) | $ -1698 ( 1698 )  
.
Question: 
what was the change in property plant and equipment net from 2012 to 2013 in millions?
Important information:
text_14: 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 .
table_2: the property plant and equipment net of 2014 is $ 20624 ; the property plant and equipment net of 2013 is $ 16597 ; the property plant and equipment net of 2012 is $ 15452 ;
table_5: the cash generated by operating activities of 2014 is $ 59713 ; the cash generated by operating activities of 2013 is $ 53666 ; the cash generated by operating activities of 2012 is $ 50856 ;
Reasoning Steps:
Step: minus1-1(16597, 15452) = 1145
Program:
subtract(16597, 15452)
Program (Nested):
subtract(16597, 15452)
