Condensed Consolidated Statements of Changes in Stockholder's Equity (Deficit) (Unaudited) - USD ($) shares in Millions, $ in Millions	Total	Total Stockholders Equity	Common Stock	Paid-in Capital	Retained Earnings (Deficit)	Accumulated Other Comprehensive (Loss) Income	Non-Redeemable Noncontrolling Interests in Subsidiaries
Balance at beginning of period (in shares) at Dec. 31, 2022			138.0
Balance at beginning of period at Dec. 31, 2022		$ 1,479	$ 1	$ 704	$ 1,075	$ (300)	$ (1)
Comprehensive income:
Net income (loss)		8			7		1
Other comprehensive income (loss)	$ (20)	(20)				(19)	(1)
Total comprehensive income (loss)	$ (12)	(12)			7	(19)	0
Employee stock purchase and stock compensation plans (in shares)			2.0
Employee stock purchase and stock compensation plans		23		23
Series A convertible preferred stock dividends		(4)			(4)
Balance at end of period (in shares) at Mar. 31, 2023			140.0
Balance at end of period at Mar. 31, 2023		1,486	$ 1	727	1,078	(319)	(1)
Balance at beginning of period (in shares) at Dec. 31, 2023	142.6		143.0
Balance at beginning of period at Dec. 31, 2023	$ 25	25	$ 1	874	(421)	(429)	0
Comprehensive income:
Net income (loss)		(41)			(40)		(1)
Other comprehensive income (loss)	(23)	(23)				(22)	(1)
Total comprehensive income (loss)	(64)	(64)			(40)	(22)	(2)
Employee stock purchase and stock compensation plans (in shares)			2.0
Employee stock purchase and stock compensation plans		5		5
Series A convertible preferred stock dividends		(4)			(4)
Spin-Off of NCR Atleos	$ 2				2
Balance at end of period (in shares) at Mar. 31, 2024	144.6		145.0
Balance at end of period at Mar. 31, 2024	$ (36)	$ (36)	$ 1	$ 879	$ (463)	$ (451)	$ (2)