based on the summary of the company 2019s significant contractual obligations as of december 31 , 2012 what is the percent of the long-term debt including current portion to the total contractual cash obligations
japanese yen ( approximately $ 63 million and $ 188 million , respectively , based on applicable exchange rates at that time ) . the cash paid of approximately $ 63 million during the quarter ended march 31 , 2010 as a result of the purchase of sumitomo 3m shares from sei is classified as 201cother financing activities 201d in the consolidated statement of cash flows . the remainder of the purchase financed by the note payable to sei is considered non-cash financing activity in the first quarter of 2010 . as discussed in note 2 , during the second quarter of 2010 , 3m recorded a financed liability of 1.7 billion japanese yen ( approximately $ 18 million based on applicable exchange rates at that time ) related to the a-one acquisition , which is also considered a non-cash financing activity . off-balance sheet arrangements and contractual obligations : as of december 31 , 2012 , the company has not utilized special purpose entities to facilitate off-balance sheet financing arrangements . refer to the section entitled 201cwarranties/guarantees 201d in note 13 for discussion of accrued product warranty liabilities and guarantees . in addition to guarantees , 3m , in the normal course of business , periodically enters into agreements that require the company to indemnify either major customers or suppliers for specific risks , such as claims for injury or property damage arising out of the use of 3m products or the negligence of 3m personnel , or claims alleging that 3m products infringe third- party patents or other intellectual property . while 3m 2019s maximum exposure under these indemnification provisions cannot be estimated , these indemnifications are not expected to have a material impact on the company 2019s consolidated results of operations or financial condition . a summary of the company 2019s significant contractual obligations as of december 31 , 2012 , follows : contractual obligations .

|  |  | Payments due by year |
| :--- | :--- | :--- |
| (Millions) | Total | 2013 | 2014 | 2015 | 2016 | 2017 | After  2017 |
| Long-term debt, including current portion (Note 9) | $5,902 | $986 | $1,481 | $107 | $994 | $648 | $1,686 |
| Interest on long-term debt | 1,721 | 189 | 152 | 97 | 96 | 79 | 1,108 |
| Operating leases (Note 13) | 735 | 194 | 158 | 119 | 77 | 68 | 119 |
| Capital leases (Note 13) | 96 | 22 | 21 | 8 | 7 | 4 | 34 |
| Unconditional purchase obligations and other | 1,489 | 1,060 | 209 | 111 | 48 | 33 | 28 |
| Total contractual cash obligations | $9,943 | $2,451 | $2,021 | $442 | $1,222 | $832 | $2,975 |

long-term debt payments due in 2013 and 2014 include floating rate notes totaling $ 132 million ( classified as current portion of long-term debt ) and $ 97 million , respectively , as a result of put provisions associated with these debt instruments . unconditional purchase obligations are defined as an agreement to purchase goods or services that is enforceable and legally binding on the company . included in the unconditional purchase obligations category above are certain obligations related to take or pay contracts , capital commitments , service agreements and utilities . these estimates include both unconditional purchase obligations with terms in excess of one year and normal ongoing purchase obligations with terms of less than one year . many of these commitments relate to take or pay contracts , in which 3m guarantees payment to ensure availability of products or services that are sold to customers . the company expects to receive consideration ( products or services ) for these unconditional purchase obligations . contractual capital commitments are included in the preceding table , but these commitments represent a small part of the company 2019s expected capital spending in 2013 and beyond . the purchase obligation amounts do not represent the entire anticipated purchases in the future , but represent only those items for which the company is contractually obligated . the majority of 3m 2019s products and services are purchased as needed , with no unconditional commitment . for this reason , these amounts will not provide a reliable indicator of the company 2019s expected future cash outflows on a stand-alone basis . other obligations , included in the preceding table within the caption entitled 201cunconditional purchase obligations and other , 201d include the current portion of the liability for uncertain tax positions under asc 740 , which is expected to be paid out in cash in the next 12 months . the company is not able to reasonably estimate the timing of the long-term payments or the amount by which the liability will increase or decrease over time ; therefore , the long-term portion of the net tax liability of $ 170 million is excluded from the preceding table . refer to note 7 for further details. .

long_term_debt = 5902
total_contractual_obligations = 9943
percent_long_term_debt = long_term_debt / total_contractual_obligations
answer = percent_long_term_debt * 100