pre_text: 5. Goodwill and Purchased Intangible Assets (b) Purchased Intangible Assets The following tables present details of our purchased intangible assets (in millions): Purchased intangible assets include intangible assets acquired through acquisitions as well as through direct purchases or licenses. Impairment charges related to purchased intangible assets were approximately $47 million for fiscal 2017. Impairment charges were as a result of declines in estimated fair value resulting from the reduction or elimination of expected future cash flows associated with certain of our technology and IPR&D intangible assets.
table: July 27, 2019 Gross Accumulated Amortization Net
table: Purchased intangible assets with finite lives:
table: Technology  . $3,270 $(1,933) $1,337
table: Customer relationships . 840 (331) 509
table: Other 41 (22) 19
table: Total purchased intangible assets with finite lives 4,151 (2,286) 1,865
table: In-process research and development, with indefinite lives . 336 — 336
table: Total . $4,487 $(2,286) $2,201
question: Analyse this data from a financial earnings document. What was the difference in the net values between Technology and Customer relationships?