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Discontinued Operations - Schedule of Major Components of Discontinued Operations, Net of Tax (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jan. 31, 2024 | Dec. 31, 2025 | Sep. 30, 2025 | Jun. 30, 2025 | Mar. 31, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Major components of earnings (loss) from discontinued operations before income taxes: |  |  |  |  |  |  |  |  |  |  |  |
Loss on sale of disposal group |  |  |  |  |  |  |  |  |  |  | $ 1,900 |
Earnings (loss) from discontinued operations, net of tax, attributable to FIS |  | $ 0 | $ 0 | $ 0 | $ 0 | $ (23) | $ (22) | $ 1 | $ 707 | $ 0 | 663 | $ (7,153)
Worldpay Merchant Solutions | Discontinued Operations, Held-for-Sale |  |  |  |  |  |  |  |  |  |  |  |
Major components of earnings (loss) from discontinued operations before income taxes: |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  | 0 | 413 | 4,859
Cost of revenue |  |  |  |  |  |  |  |  |  | 0 | (73) | (1,662)
Selling, general, and administrative expenses |  |  |  |  |  |  |  |  |  | 0 | (158) | (1,992)
Asset impairments |  |  |  |  |  |  |  |  |  | 0 | 0 | (6,844)
Interest income (expense), net |  |  |  |  |  |  |  |  |  | 0 | 3 | 27
Other, net |  |  |  |  |  |  |  |  |  | 0 | (6) | 63
Earnings (loss) from discontinued operations related to major components of pre-tax earnings (loss) |  |  |  |  |  |  |  |  |  | 0 | 179 | (5,549)
Loss on assets held for sale | $ (578) |  |  |  |  |  |  |  |  | 0 | 0 | (1,909)
Loss on sale of disposal group |  |  |  |  |  |  |  |  |  | 0 | (578) | 0
Earnings (loss) from discontinued operations |  |  |  |  |  |  |  |  |  | 0 | (399) | (7,458)
Provision (benefit) for income taxes |  |  |  |  |  |  |  |  |  | 0 | (1,062) | (301)
Earnings (loss) from discontinued operations, net of tax, attributable to FIS |  |  |  |  |  |  |  |  |  | $ 0 | $ 663 | $ (7,157)

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- Definition Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 6.I.7) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479360/740-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-10 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482659/740-20-45-2 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 3A -Publisher FASB -URI https://asc.fasb.org/1943274/2147483475/205-20-45-3A Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483499/205-20-50-5B Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5C -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483499/205-20-50-5C Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147483475/205-20-45-3B Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483475/205-20-45-4 Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483499/205-20-50-1 + Details
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