{"pre_text": ["host hotels & resorts , inc. , host hotels & resorts , l.p. , and subsidiaries notes to consolidated financial statements 2014 ( continued ) a reconciliation of the beginning and ending balances of our unrecognized tax benefits is as follows ( in millions ) : ."], "post_text": ["all of such uncertain tax position amounts , if recognized , would impact our reconciliation between the income tax provision calculated at the statutory u.s .", "federal income tax rate of 21% ( 21 % ) ( 35% ( 35 % ) in 2017 ) and the actual income tax provision recorded each year .", "we expect a decrease to the balance of unrecognized tax benefits within 12 months of the reporting date of approximately $ 3 million .", "as of december 31 , 2018 , the tax years that remain subject to examination by major tax jurisdictions generally include 2015-2018 .", "there were no material interest or penalties recorded for the years ended december 31 , 2018 , 2017 , and 2016 .", "8 .", "leases taxable reit subsidiaries leases we lease substantially all of our hotels to a wholly owned subsidiary that qualifies as a taxable reit subsidiary due to federal income tax restrictions on a reit 2019s ability to derive revenue directly from the operation and management of a hotel .", "ground leases as of december 31 , 2018 , all or a portion of 25 of our hotels are subject to ground leases , generally with multiple renewal options , all of which are accounted for as operating leases .", "for lease agreements with scheduled rent increases , we recognize the fixed portion of the lease expense ratably over the term of the lease .", "certain of these leases contain provisions for the payment of contingent rentals based on a percentage of sales in excess of stipulated amounts .", "other lease information we also have leases on facilities used in our former restaurant business , all of which we subsequently subleased .", "these leases and subleases contain one or more renewal options , generally for five- or ten-year periods .", "the restaurant leases are accounted for as operating leases .", "our contingent liability related to these leases is $ 7 million as of december 31 , 2018 .", "we , however , consider the likelihood of any material funding related to these leases to be remote .", "our leasing activity also includes those entered into by our hotels for various types of equipment , such as computer equipment , vehicles and telephone systems .", "equipment leases are accounted for either as operating or capital leases , depending upon the characteristics of the particular lease arrangement .", "equipment leases that are characterized as capital leases are classified as furniture and equipment and are depreciated over the life of the lease .", "the amortization expense applicable to capitalized leases is included in depreciation expense. ."], "table": [["", "2018", "2017"], ["balance at january 1", "$ 11", "$ 11"], ["balance at december 31", "$ 11", "$ 11"]], "table_ori": [["", "2018", "2017"], ["Balance at January 1", "$11", "$11"], ["Balance at December 31", "$11", "$11"]]}

Question: what was the change in million of the unrecognized tax benefits between 2017 and 2018?
Evidence:
table_2: the balance at december 31 of 2018 is $ 11 ; the balance at december 31 of 2017 is $ 11 ;
Program: subtract(11, 11)
Answer:
str_answer: 0
exe_answer: 0