Condensed Consolidated Statements of Earnings - USD ($) shares in Millions, $ in Millions	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Revenue	$ 2,057	$ 2,066
Cost of revenue	1,381	1,414
Gross profit	676	652
Selling, general and administrative expenses	361	358
Operating income	315	294
Other income (expense):
Interest expense, net	(75)	(72)
Other income (expense), net	(52)	3
Total other income (expense), net	(127)	(69)
Earnings before income taxes and equity method investment earnings (loss)	188	225
Provision (benefit) for income taxes	32	34
Equity method investment earnings (loss)	(7)	(1)
Net earnings	149	190
Net (earnings) loss attributable to noncontrolling interest	(1)	(8)
Net earnings attributable to FIS common stockholders	$ 148	$ 182
Net earnings per share — basic attributable to FIS common stockholders (in dollars per share)	$ 0.46	$ 0.55
Weighted average shares outstanding — basic (in shares)	323	330
Net earnings per share — diluted attributable to FIS common stockholders (in dollars per share)	$ 0.45	$ 0.54
Weighted average shares outstanding — diluted (in shares)	326	334

Interest Income (Expense) and Nonoperating Income (Expense)

No definition available.

Name:	fis_InterestExpenseandNonoperatingIncomeExpense
Namespace Prefix:	fis_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.