pre_text: comcast corporation finite-lived intangible assets estimated amortization expense of finite-lived intangible assets ( in millions ) .
post_text: finite-lived intangible assets are subject to amortization and consist primarily of customer relationships acquired in business combinations , software , cable franchise renewal costs , contractual operating rights and intellectual property rights . our finite-lived intangible assets are amortized primarily on a straight-line basis over their estimated useful life or the term of the associated agreement . we capitalize direct development costs associated with internal-use software , including external direct costs of material and services and payroll costs for employees devoting time to these software projects . we also capitalize costs associated with the purchase of software licenses . we include these costs in other intangible assets and generally amortize them on a straight-line basis over a period not to exceed five years . we expense maintenance and training costs , as well as costs incurred during the preliminary stage of a project , as they are incurred . we capitalize initial operating system software costs and amortize them over the life of the associated hardware . we evaluate the recoverability of our finite-lived intangible assets whenever events or substantive changes in circumstances indicate that the carrying amount may not be recoverable . the evaluation is based on the cash flows generated by the underlying asset groups , including estimated future operating results , trends or other determinants of fair value . if the total of the expected future undiscounted cash flows were less than the carry- ing amount of the asset group , we would recognize an impairment charge to the extent the carrying amount of the asset group exceeded its estimated fair value . unless presented separately , the impairment charge is included as a component of amortization expense . 97 comcast 2015 annual report on form 10-k .
table: 2016 $1,785
table: 2017 $1,612
table: 2018 $1,365
table: 2019 $1,039
table: 2020 $902
question: Analyse this data from a financial earnings document. what was the ratio of the comcast corporation finite-lived intangible assets in 2016 to 2017