Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net income (loss)	$ 98	$ (78)	$ 564
Currency translation adjustments
Currency translation adjustments	(30)	15	(29)
Derivatives
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax	9	(8)	6
Loss (gains) on derivatives arising during the period	1	7	(8)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	(2)	0	1
Employee benefit plans
New prior service benefit (cost)	6	(1)	0
Amortization of prior service cost	(1)	(4)	(6)
Net gain (loss) arising during the period	(1)	(11)	12
Amortization of actuarial gain (loss)	(1)	(3)	(3)
Less income tax benefit (expense)	(1)	3	1
Other comprehensive income (loss)	(20)	(2)	(26)
Total comprehensive income (loss)	78	(80)	538
Less comprehensive income attributable to noncontrolling interests:
Net income	1	1	0
Currency translation adjustments	0	0	(3)
Amounts attributable to noncontrolling interests	1	1	(3)
Comprehensive income (loss) attributable to NCR common stockholders	$ 77	$ (81)	$ 541