pre_text: Deferred revenue and financed unearned services revenue (in millions): The following table summarizes the components of our deferred revenue and financed unearned services balance as reported in our consolidated balance sheets (in millions): Deferred product revenue represents unrecognized revenue related to undelivered product commitments and other product deliveries that have not met all revenue recognition criteria. Deferred services revenue represents customer payments made in advance for services, which include software and hardware maintenance contracts and other services. Financed unearned services revenue represents undelivered services for which cash has been received under certain third-party financing arrangements. See Note 18 – Commitments and Contingencies for additional information related to these arrangements
table: April 26, 2019 April 27, 2018
table: Deferred product revenue $ 84 $ 107
table: Deferred services revenue 3,502 3,134
table: Financed unearned services revenue 82 122
table: Total $ 3,668 $ 3,363
table: Reported as:
table: Short-term $ 1,825 $ 1,712
table: Long-term 1,843 1,651
table: Total $ 3,668 $ 3,363
question: Analyse this data from a financial earnings document. What was the change in deferred services revenue between 2018 and 2019?