Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (123)	$ 69	$ (95)	$ 77
Currency translation adjustments
Currency translation gains (loss)	3	(75)	11	(154)
Derivatives
Unrealized gains (loss) on derivatives	0	77	24	155
Loss (gains) on derivatives recognized during the period	(122)	(9)	(165)	(3)
Less income tax	30	(16)	32	(35)
Employee benefit plans
Amortization of prior service cost (benefit)	0	0	(1)	(1)
Net (loss) gain arising during the period	(2)	0	(2)	0
Amortization of actuarial loss (gains)	(1)	0	(3)	0
Less income tax	1	0	2	0
Other comprehensive income (loss)	(91)	(23)	(102)	(38)
Total comprehensive income (loss)	(214)	46	(197)	39
Less comprehensive income (loss) attributable to noncontrolling interests:
Net income (loss)	1	0	1	1
Currency translation gains (losses)	0	(2)	0	(3)
Amounts attributable to noncontrolling interests	1	(2)	1	(2)
Comprehensive income (loss) attributable to NCR	$ (213)	$ 48	$ (196)	$ 41