Condensed Consolidated Statements of Earnings (Loss) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Revenue	$ 2,616	$ 2,490	$ 5,148	$ 4,958
Cost of revenue	1,664	1,546	3,317	3,106
Gross profit	952	944	1,831	1,852
Selling, general, and administrative expenses	572	609	1,130	1,182
Asset impairments	0	4	2	18
Operating income	408	371	755	725
Other income (expense):
Interest expense, net	(110)	(43)	(190)	(120)
Other income (expense), net	(159)	(13)	(195)	(184)
Total other income (expense), net	(269)	(56)	(385)	(304)
Earnings (loss) before income taxes and equity method investment earnings (loss)	139	315	370	421
Provision (benefit) for income taxes	10	87	93	108
Equity method investment earnings (loss), net of tax	(598)	10	(669)	(76)
Net earnings (loss) from continuing operations	(469)	238	(392)	237
Earnings (loss) from discontinued operations, net of tax	0	1	0	709
Net earnings (loss)	(469)	239	(392)	946
Net (earnings) loss attributable to noncontrolling interest from continuing operations	(1)	(1)	(1)	(1)
Net earnings (loss) attributable to FIS	(470)	238	(393)	945
Net earnings (loss) attributable to FIS:
Continuing operations	(470)	237	(393)	236
Discontinued operations	0	1	0	709
Net earnings (loss) attributable to FIS	$ (470)	$ 238	$ (393)	$ 945
Basic earnings (loss) per common share attributable to FIS:
Continuing operations (in dollars per share)	$ (0.90)	$ 0.43	$ (0.75)	$ 0.42
Discontinued operations (in dollars per share)	0	0	0	1.25
Basic earnings (loss) per common share attributable to FIS, total (in dollars per share)	(0.90)	0.43	(0.75)	1.67
Diluted earnings (loss) per common share attributable to FIS:
Continuing operations (in dollars per share)	(0.90)	0.43	(0.75)	0.42
Discontinued operations (in dollars per share)	0	0	0	1.25
Diluted earnings (loss) per common share attributable to FIS, total (in dollars per share)	$ (0.90)	$ 0.43	$ (0.75)	$ 1.67
Weighted average common shares outstanding:
Basic (in shares)	525	554	527	565
Diluted (in shares)	525	557	527	567
Related Party
Other operating (income) expense, net - related party	$ (28)	$ (40)	$ (56)	$ (73)