Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 69	$ 13	$ 77	$ 35
Currency translation adjustments
Currency translation gains (loss)	(75)	(29)	(154)	(28)
Derivatives
Unrealized gains (loss) on derivatives	77	0	155	0
Loss (gains) on derivatives recognized during the period	(9)	0	(3)	0
Less income tax	(16)	0	(35)	0
Employee benefit plans
Amortization of prior service cost (benefit)	0	0	(1)	(1)
Less income tax	0	0	0	0
Other comprehensive income (loss)	(23)	(29)	(38)	(29)
Total comprehensive income (loss)	46	(16)	39	6
Less comprehensive income (loss) attributable to noncontrolling interests:
Net income (loss)	0	1	1	2
Currency translation losses	(2)	0	(3)	0
Amounts attributable to noncontrolling interests	(2)	1	(2)	2
Comprehensive income (loss) attributable to NCR	$ 48	$ (17)	$ 41	$ 4