Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Convertible Preferred Stock:
Temporary Equity, Par or Stated Value Per Share	$ 0.01	$ 0.01
Temporary Equity, Shares Authorized	3,000,000.0	3,000,000.0
Temporary Equity, Shares Issued	300,000	300,000
Temporary Equity, Shares Outstanding	300,000	300,000
Temporary Equity, Aggregate Amount of Redemption Requirement	$ 276	$ 276
Temporary Equity, Liquidation Preference	$ 276	$ 276
Stockholders' Equity:
Preferred Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized	100,000,000.0	100,000,000.0
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Outstanding	0	0
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	500,000,000.0	500,000,000.0
Common Stock, Shares, Issued	136,300,000
Common Stock, Shares, Outstanding	136,300,000
Cash and Cash Equivalents, at Carrying Value	$ 412	$ 447
Accounts receivable, net of allowances of $26 and $24 as of March 31, 2022 and December 31, 2021, respectively	1,071	959
Inventories	805	754
Restricted cash	273	295
Other current assets	415	421
Total current assets	2,976	2,876
Property, plant and equipment, net	680	703
Goodwill	4,570	4,519
Intangibles, net	1,309	1,316
Operating lease assets	395	419
Prepaid pension cost	294	300
Deferred income taxes	716	732
Other assets	775	776
Assets	11,715	11,641
Short-term Debt	83	57
Accounts payable	901	826
Payroll and benefits liabilities	229	389
Contract liabilities	625	516
Settlement liabilities	235	263
Other current liabilities	757	757
Liabilities, Current	2,830	2,808
Long-term debt	5,516	5,505
Pension and indemnity plan liabilities	773	789
Postretirement and postemployment benefits liabilities	119	119
Income tax accruals	115	116
Operating lease liabilities	375	388
Other liabilities	388	383
Liabilities	10,116	10,108
Series A convertible preferred stock: par value $0.01 per share, 3.0 shares authorized, 0.3 shares issued and outstanding as of March 31, 2022 and December 31, 2021, respectively; redemption amount and liquidation preference of $276 as of March 31, 2022 and December 31, 2021, respectively	274	274
Preferred stock: par value $0.01 per share, 100.0 shares authorized, no shares issued and outstanding as of March 31, 2022 and December 31, 2021, respectively	0	0
Common stock: par value $0.01 per share, 500.0 shares authorized, 136.3 and 132.2 shares issued and outstanding as of March 31, 2022 and December 31, 2021, respectively	1	1
Paid-in capital	602	515
Retained earnings	993	1,031
Accumulated other comprehensive loss	(273)	(291)
Stockholders' Equity Attributable to Parent	1,323	1,256
Noncontrolling interests in subsidiaries	2	3
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	1,325	1,259
Liabilities and Equity	11,715	11,641
Accounts Receivable, Allowance for Credit Loss, Current	$ (26)	$ (24)

Other Postretirement Defined Benefit Plans and Postemployment Benefits Liability Noncurrent

No definition available.

Name:	ncr_PostretirementAndPostemploymentBenefitsLiabilities
Namespace Prefix:	ncr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).