a summary of the company 2019s significant contractual obligations as of december 31 , 2015 , follows : contractual obligations .
[['( millions )', 'total', 'payments due by year 2016', 'payments due by year 2017', 'payments due by year 2018', 'payments due by year 2019', 'payments due by year 2020', 'payments due by year after 2020'], ['long-term debt including current portion ( note 10 )', '$ 9878', '$ 1125', '$ 744', '$ 993', '$ 622', '$ 1203', '$ 5191'], ['interest on long-term debt', '2244', '174', '157', '153', '149', '146', '1465'], ['operating leases ( note 14 )', '943', '234', '191', '134', '86', '72', '226'], ['capital leases ( note 14 )', '59', '11', '6', '4', '3', '3', '32'], ['unconditional purchase obligations and other', '1631', '1228', '160', '102', '54', '56', '31'], ['total contractual cash obligations', '$ 14755', '$ 2772', '$ 1258', '$ 1386', '$ 914', '$ 1480', '$ 6945']]
long-term debt payments due in 2016 and 2017 include floating rate notes totaling $ 126 million ( classified as current portion of long-term debt ) , and $ 96 million ( included as a separate floating rate note in the long-term debt table ) , respectively , as a result of put provisions associated with these debt instruments .interest projections on both floating and fixed rate long-term debt , including the effects of interest rate swaps , are based on effective interest rates as of december 31 , 2015 .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 2016 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 $ 208 million is excluded from the preceding table .refer to note 8 for further details .as discussed in note 11 , the company does not have a required minimum cash pension contribution obligation for its u.s .plans in 2016 and company contributions to its u.s .and international pension plans are expected to be largely discretionary in future years ; therefore , amounts related to these plans are not included in the preceding table .financial instruments the company enters into foreign exchange forward contracts , options and swaps to hedge against the effect of exchange rate fluctuations on cash flows denominated in foreign currencies and certain intercompany financing transactions .the company manages interest rate risks using a mix of fixed and floating rate debt .to help manage borrowing costs , the company may enter into interest rate swaps .under these arrangements , the company agrees to exchange , at specified intervals , the difference between fixed and floating interest amounts calculated by reference to an agreed-upon notional principal amount .the company manages commodity price risks through negotiated supply contracts , price protection agreements and forward contracts. .

Question: what was the percent of the total interest on long-term debt to the total contractual cash obligations
Answer: 15.2%
Explanation: 15.2% of the total contractual cash obligations was interest on long-term debt to the