Goodwill and Purchased Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The carrying amounts of goodwill by segment are included in the tables below. Foreign currency fluctuations are included within other adjustments.

	January 1, 2017													December 31, 2017
In millions	Goodwill		Accumulated Impairment Losses			Total		Additions		Impairment		Other		Goodwill		Accumulated Impairment Losses			Total
Software	$	1,930	$	(7	)	$	1,923	$	—	$	—	$	14	$	1,944	$	(7	)	$	1,937
Services	658		—			658		—		—		—		658		—			658
Hardware	162		(16		)	146		—		—		—		162		(16		)	146
Total goodwill	$	2,750	$	(23	)	$	2,727	$	—	$	—	$	14	$	2,764	$	(23	)	$	2,741

	January 1, 2016														December 31, 2016
In millions	Goodwill		Accumulated Impairment Losses			Total		Additions		Impairment		Other			Goodwill		Accumulated Impairment Losses			Total
Software	$	1,936	$	(7	)	$	1,929	$	9	$	—	$	(15	)	$	1,930	$	(7	)	$	1,923
Services	658		—			658		—		—		—			658		—			658
Hardware	162		(16		)	146		—		—		—			162		(16		)	146
Total goodwill	$	2,756	$	(23	)	$	2,733	$	9	$	—	$	(15	)	$	2,750	$	(23	)	$	2,727

Schedule of Acquired Finite-Lived Intangible Assets by Major Class

NCR’s purchased intangible assets were specifically identified when acquired, and are deemed to have finite lives. These assets are reported in intangibles, net in the Consolidated Balance Sheets. 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)	December 31, 2017					December 31, 2016
In millions		Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
Identifiable intangible assets
Reseller & customer relationships	1 - 20	$	659	$	(170	)	$	656	$	(128	)
Intellectual property	2 - 8	410		(351		)	392		(302		)
Customer contracts	8	89		(81		)	89		(66		)
Tradenames	2 - 10	73		(51		)	73		(42		)
Total identifiable intangible assets		$	1,231	$	(653	)	$	1,210	$	(538	)

Schedule of Expected Amortization Expense

	For the year ended December 31, 2017		For the years ended December 31 (estimated)
In millions			2018		2019		2020		2021		2022
Amortization expense	$	115	$	85	$	75	$	57	$	49	$	45

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

	For the year ended December 31, 2017		For the years ended December 31 (estimated)
In millions			2018		2019		2020		2021		2022
Amortization expense	$	115	$	85	$	75	$	57	$	49	$	45