Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 383	$ 338
Accounts receivable, net of allowances of $31 and $51 as of September 30, 2021 and December 31, 2020, respectively	943	1,117
Inventories	747	601
Restricted cash	246	59
Other current assets	459	363
Total current assets	2,778	2,478
Property, plant and equipment, net	683	373
Goodwill	4,515	2,837
Intangibles, net	1,373	532
Operating lease assets	423	344
Prepaid pension cost	209	199
Deferred income taxes	824	965
Other assets	784	686
Total assets	11,589	8,414
Current liabilities
Short-term borrowings	30	8
Accounts payable	767	632
Payroll and benefits liabilities	378	268
Contract liabilities	540	507
Settlement liabilities	230	31
Other current liabilities	789	642
Total current liabilities	2,734	2,088
Long-term debt	5,534	3,270
Pension and indemnity plan liabilities	836	851
Postretirement and postemployment benefits liabilities	116	120
Income tax accruals	102	102
Operating lease liabilities	406	325
Other liabilities	399	334
Total liabilities	10,127	7,090
Commitments and Contingencies (Note 10)
Series A convertible preferred stock: par value $0.01 per share, 3.0 shares authorized, 0.3 shares issued and outstanding as of September 30, 2021 and December 31, 2020, respectively; redemption amount and liquidation preference of $276 as of September 30, 2021 and December 31, 2020, respectively	274	273
Stockholders’ equity
Preferred stock: par value $0.01 per share, 100.0 shares authorized, no shares issued and outstanding as of September 30, 2021 and December 31, 2020, respectively	0	0
Common stock: par value $0.01 per share, 500.0 shares authorized, 131.8 and 129.1 shares issued and outstanding as of September 30, 2021 and December 31, 2020, respectively	1	1
Paid-in capital	511	368
Retained earnings	971	950
Accumulated other comprehensive loss	(300)	(271)
Total NCR stockholders’ equity	1,183	1,048
Noncontrolling interests in subsidiaries	5	3
Total stockholders’ equity	1,188	1,051
Total liabilities and stockholders’ equity	$ 11,589	$ 8,414