Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) shares in Millions, $ in Millions	Total	Total Stockholders Equity	Common Stock	Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive (Loss) Income	Non-Redeemable Noncontrolling Interests in Subsidiaries
Balance at beginning of period (in shares) at Dec. 31, 2020			129.0
Balance at beginning of period at Dec. 31, 2020		$ 1,051	$ 1	$ 368	$ 950	$ (271)	$ 3
Comprehensive income:
Net income (loss)		31			30		1
Other comprehensive income (loss)		(8)				(8)
Total comprehensive income (loss)		23			30	(8)
Total comprehensive income (loss), attributable to nonredeemable noncontrolling interest							1
Employee stock purchase and stock compensation plans (in shares)			2.0
Employee stock purchase and stock compensation plans		30		30
Series A convertible preferred stock dividends		(4)			(4)
Balance at end of period (in shares) at Mar. 31, 2021			131.0
Balance at end of period at Mar. 31, 2021		1,100	$ 1	398	976	(279)	4
Balance at beginning of period (in shares) at Dec. 31, 2020			129.0
Balance at beginning of period at Dec. 31, 2020		1,051	$ 1	368	950	(271)	3
Comprehensive income:
Other comprehensive income (loss)	$ 0
Balance at end of period (in shares) at Jun. 30, 2021			131.0
Balance at end of period at Jun. 30, 2021		1,158	$ 1	461	963	(271)	4
Balance at beginning of period (in shares) at Mar. 31, 2021			131.0
Balance at beginning of period at Mar. 31, 2021		1,100	$ 1	398	976	(279)	4
Comprehensive income:
Net income (loss)		(9)			(9)
Other comprehensive income (loss)	$ 8	8				8
Total comprehensive income (loss)		(1)			(9)	8
Employee stock purchase and stock compensation plans		44		44
Convered Cardtronics Awards Attributable to pre-combination services		19		19
Series A convertible preferred stock dividends		(4)			(4)
Balance at end of period (in shares) at Jun. 30, 2021			131.0
Balance at end of period at Jun. 30, 2021		1,158	$ 1	461	963	(271)	4
Balance at beginning of period (in shares) at Dec. 31, 2021	132.2		132.0
Balance at beginning of period at Dec. 31, 2021	$ 1,259	1,259	$ 1	515	1,031	(291)	3
Comprehensive income:
Net income (loss)		(35)			(34)		(1)
Other comprehensive income (loss)		18				18
Total comprehensive income (loss)		(17)			(34)	18
Total comprehensive income (loss), attributable to nonredeemable noncontrolling interest							(1)
Employee stock purchase and stock compensation plans (in shares)			3.0
Employee stock purchase and stock compensation plans		19		19
Stock issued in acquisition of LibertyX (in shares)			1.0
Stock issued in acquisition of LibertyX		68		68
Series A convertible preferred stock dividends		(4)			(4)
Balance at end of period (in shares) at Mar. 31, 2022			136.0
Balance at end of period at Mar. 31, 2022		1,325	$ 1	602	993	(273)	2
Balance at beginning of period (in shares) at Dec. 31, 2021	132.2		132.0
Balance at beginning of period at Dec. 31, 2021	$ 1,259	1,259	$ 1	515	1,031	(291)	3
Comprehensive income:
Other comprehensive income (loss)	$ (15)
Balance at end of period (in shares) at Jun. 30, 2022	136.7		137.0
Balance at end of period at Jun. 30, 2022	$ 1,373	1,373	$ 1	644	1,030	(305)	3
Balance at beginning of period (in shares) at Mar. 31, 2022			136.0
Balance at beginning of period at Mar. 31, 2022		1,325	$ 1	602	993	(273)	2
Comprehensive income:
Net income (loss)		43			41		2
Other comprehensive income (loss)	$ (33)	(33)				(32)	(1)
Total comprehensive income (loss)		10			41	(32)
Total comprehensive income (loss), attributable to nonredeemable noncontrolling interest							1
Employee stock purchase and stock compensation plans (in shares)			1.0
Employee stock purchase and stock compensation plans		42		42
Series A convertible preferred stock dividends		(4)			(4)
Balance at end of period (in shares) at Jun. 30, 2022	136.7		137.0
Balance at end of period at Jun. 30, 2022	$ 1,373	$ 1,373	$ 1	$ 644	$ 1,030	$ (305)	$ 3