{"pre_text": ["fidelity national information services , inc .", "and subsidiaries notes to consolidated financial statements - ( continued ) the following summarizes the aggregate maturities of our debt and capital leases on stated contractual maturities , excluding unamortized non-cash bond premiums and discounts net of $ 30 million as of december 31 , 2017 ( in millions ) : ."], "post_text": ["there are no mandatory principal payments on the revolving loan and any balance outstanding on the revolving loan will be due and payable at its scheduled maturity date , which occurs at august 10 , 2021 .", "fis may redeem the 2018 notes , 2020 notes , 2021 notes , 2021 euro notes , 2022 notes , 2022 gbp notes , 2023 notes , 2024 notes , 2024 euro notes , 2025 notes , 2026 notes , and 2046 notes at its option in whole or in part , at any time and from time to time , at a redemption price equal to the greater of 100% ( 100 % ) of the principal amount to be redeemed and a make-whole amount calculated as described in the related indenture in each case plus accrued and unpaid interest to , but excluding , the date of redemption , provided no make-whole amount will be paid for redemptions of the 2020 notes , the 2021 notes , the 2021 euro notes and the 2022 gbp notes during the one month prior to their maturity , the 2022 notes during the two months prior to their maturity , the 2023 notes , the 2024 notes , the 2024 euro notes , the 2025 notes , and the 2026 notes during the three months prior to their maturity , and the 2046 notes during the six months prior to their maturity .", "debt issuance costs of $ 53 million , net of accumulated amortization , remain capitalized as of december 31 , 2017 , related to all of the above outstanding debt .", "we monitor the financial stability of our counterparties on an ongoing basis .", "the lender commitments under the undrawn portions of the revolving loan are comprised of a diversified set of financial institutions , both domestic and international .", "the failure of any single lender to perform its obligations under the revolving loan would not adversely impact our ability to fund operations .", "the fair value of the company 2019s long-term debt is estimated to be approximately $ 156 million higher than the carrying value as of december 31 , 2017 .", "this estimate is based on quoted prices of our senior notes and trades of our other debt in close proximity to december 31 , 2017 , which are considered level 2-type measurements .", "this estimate is subjective in nature and involves uncertainties and significant judgment in the interpretation of current market data .", "therefore , the values presented are not necessarily indicative of amounts the company could realize or settle currently. ."], "table": [["", "total"], ["2018", "$ 1045"], ["2019", "44"], ["2020", "1157"], ["2021", "1546"], ["2022", "705"], ["thereafter", "4349"], ["total principal payments", "8846"], ["debt issuance costs net of accumulated amortization", "-53 ( 53 )"], ["total long-term debt", "$ 8793"]], "table_ori": [["", "Total"], ["2018", "$1,045"], ["2019", "44"], ["2020", "1,157"], ["2021", "1,546"], ["2022", "705"], ["Thereafter", "4,349"], ["Total principal payments", "8,846"], ["Debt issuance costs, net of accumulated amortization", "(53)"], ["Total long-term debt", "$8,793"]]}

Question: what percent of total long-term debt is due in 2021?
Evidence:
table_4: the 2021 of total is 1546 ;
table_9: the total long-term debt of total is $ 8793 ;
Program: divide(1546, 8793)
Answer:
str_answer: 18%
exe_answer: 0.17582