Goodwill and Purchased Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The carrying amounts of goodwill by segment as of September 30, 2018 and December 31, 2017 are included in the table below. Foreign currency fluctuations are included within other adjustments.

	December 31, 2017															September 30, 2018
In millions	Goodwill		Accumulated Impairment Losses			Total		Additions		Impairment			Other			Goodwill		Accumulated Impairment Losses			Total
Software	$	1,944	$	(7	)	$	1,937	$	—	$	—		$	(6	)	$	1,938	$	(7	)	$	1,931
Services	658		—			658		—		—			—			658		—			658
Hardware	162		(16		)	146		—		(146		)	—			162		(162		)	—
Total goodwill	$	2,764	$	(23	)	$	2,741	$	—	$	(146	)	$	(6	)	$	2,758	$	(169	)	$	2,589

Schedule of Acquired Finite-Lived Intangible Assets by Major Class

NCR’s purchased intangible assets, reported in intangibles, net in the Condensed Consolidated Balance Sheets, were specifically identified when acquired, and are deemed to have finite lives. The gross carrying amount and accumulated amortization for NCR’s identifiable intangible assets were as set forth in the table below.

	Amortization Period (in Years)	September 30, 2018					December 31, 2017
In millions		Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
Identifiable intangible assets
Reseller & customer relationships	1 - 20	$	659	$	(205	)	$	659	$	(170	)
Intellectual property	2 - 8	397		(369		)	410		(351		)
Customer contracts	8	89		(85		)	89		(81		)
Tradenames	2 - 10	73		(58		)	73		(51		)
Total identifiable intangible assets		$	1,218	$	(717	)	$	1,231	$	(653	)

Schedule of Expected Amortization Expense

The aggregate amortization expense (actual and estimated) for identifiable intangible assets for the following periods is:

In millions	Three months ended September 30, 2018		Nine months ended September 30, 2018		Remainder of 2018 (estimated)
Amortization expense	$	20	$	64	$	21

	For the years ended December 31 (estimated)
In millions	2019		2020		2021		2022		2023
Amortization expense	$	76	$	58	$	50	$	45	$	43