Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 18	$ 43	$ 28	$ 8
Currency translation adjustments
Currency translation gains (loss)	4	(53)	8	(79)
Derivatives
Unrealized gains (loss) on derivatives	35	21	24	78
Loss (gains) on derivatives recognized during the period	(24)	5	(43)	6
Less income tax	(5)	(6)	2	(19)
Employee benefit plans
Amortization of prior service cost (benefit)	(1)	0	(1)	(1)
Amortization of actuarial loss (gains)	(1)	0	(2)	0
Less income tax	1	0	1	0
Other comprehensive income (loss)	9	(33)	(11)	(15)
Total comprehensive income (loss)	27	10	17	(7)
Less comprehensive income (loss) attributable to noncontrolling interests:
Net income (loss)	(1)	2	0	1
Currency translation gains (losses)	1	(1)	0	(1)
Amounts attributable to noncontrolling interests	0	1	0	0
Comprehensive income (loss) attributable to NCR	$ 27	$ 9	$ 17	$ (7)