payables that were reclassified as part of our capital lease obligations . capital lease obligations are reported in our consolidated statements of financial position as debt . on october 15 , 2009 , we entered into a capital lease agreement for 44 locomotives with a total equipment cost of $ 100 million . the lessor purchased the 44 locomotives from the corporation and subsequently leased the locomotives back to the railroad . these capital lease obligations are reported in our consolidated statements of financial position as debt at december 31 , 2009 . off-balance sheet arrangements , contractual obligations , and commercial commitments as described in the notes to the consolidated financial statements and as referenced in the tables below , we have contractual obligations and commercial commitments that may affect our financial condition . based on our assessment of the underlying provisions and circumstances of our contractual obligations and commercial commitments , including material sources of off-balance sheet and structured finance arrangements , other than the risks that we and other similarly situated companies face with respect to the condition of the capital markets ( as described in item 1a of part ii of this report ) , there is no known trend , demand , commitment , event , or uncertainty that is reasonably likely to occur that would have a material adverse effect on our consolidated results of operations , financial condition , or liquidity . in addition , our commercial obligations , financings , and commitments are customary transactions that are similar to those of other comparable corporations , particularly within the transportation industry . the following tables identify material obligations and commitments as of december 31 , 2009 : payments due by december 31 , contractual obligations after millions of dollars total 2010 2011 2012 2013 2014 2014 other .

Table:
contractual obligations millions of dollars | total | payments due by december 31 2010 | payments due by december 31 2011 | payments due by december 31 2012 | payments due by december 31 2013 | payments due by december 31 2014 | payments due by december 31 after 2014 | payments due by december 31 other
debt [a] | $ 12645 | $ 846 | $ 896 | $ 1104 | $ 985 | $ 951 | $ 7863 | $ -
operating leases | 5312 | 576 | 570 | 488 | 425 | 352 | 2901 | -
capital lease obligations [b] | 2975 | 290 | 292 | 247 | 256 | 267 | 1623 | -
purchase obligations [c] | 2738 | 386 | 317 | 242 | 249 | 228 | 1284 | 32
other post retirement benefits [d] | 435 | 41 | 42 | 43 | 43 | 44 | 222 | -
income tax contingencies [e] | 61 | 1 | - | - | - | - | - | 60
total contractual obligations | $ 24166 | $ 2140 | $ 2117 | $ 2124 | $ 1958 | $ 1842 | $ 13893 | $ 92
[a] excludes capital lease obligations of $ 2061 million , unamortized discount of $ ( 110 ) million , and market value adjustments of $ 15 million for debt with qualifying hedges that are recorded as liabilities on the consolidated statements of financial position .
includes an interest component of $ 4763 million .
[b] represents total obligations , including interest component of $ 914 million .
[c] purchase obligations include locomotive maintenance contracts ; purchase commitments for ties , ballast , and rail ; and agreements to purchase other goods and services .
for amounts where we can not reasonably estimate the year of settlement , they are reflected in the other column .
[d] includes estimated other post retirement , medical , and life insurance payments and payments made under the unfunded pension plan for the next ten years .
no amounts are included for funded pension as no contributions are currently required .
[e] future cash flows for income tax contingencies reflect the recorded liability for unrecognized tax benefits , including interest and penalties , as of december 31 , 2009 .
where we can reasonably estimate the years in which these liabilities may be settled , this is shown in the table .
for amounts where we can not reasonably estimate the year of settlement , they are reflected in the other column. .

Question: what is the total cost in millions of capital lease obligation , principal only?
Answer: 2061
Calculation: subtract(2975, 914)