Intangibles

HP’s acquired intangible assets were composed of:



	Weighted-Average Useful Lives	As of April 30, 2018						As of October 31, 2017
	Weighted-Average Useful Lives	Gross		Accumulated Amortization		Net		Gross		Accumulated Amortization		Net
	In years	In millions
Customer contracts, customer lists and distribution agreements	8	$	112	$	86	$	26	$	85	$	84	$	1
Technology and patents	7	591		134		457		98		96		2
Total intangible assets		$	703	$	220	$	483	$	183	$	180	$	3

During the six months ended April 30, 2018, the increase in gross intangible assets was primarily due to intangible assets resulting from the acquisition of Samsung’s printer business. The reported amounts are based on preliminary fair value estimates of the assets acquired.

As of April 30, 2018, estimated future amortization expense related to intangible assets was as follows:



Fiscal year	In millions
Remainder of 2018	$	39
2019	79
2020	79
2021	79
2022	79
Thereafter	128
Total	$	483