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Goodwill - Schedule of Changes in Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Changes in goodwill, net of purchase accounting adjustments
Beginning balance	$ 16,971	$ 16,816
Goodwill attributable to acquisitions	355	101
Foreign currency adjustments	(66)	54
Ending balance	17,260	16,971
Banking Solutions
Changes in goodwill, net of purchase accounting adjustments
Beginning balance	12,588	12,536
Goodwill attributable to acquisitions	138	37
Foreign currency adjustments	(27)	15
Ending balance	12,699	12,588
Capital Market Solutions
Changes in goodwill, net of purchase accounting adjustments
Beginning balance	4,363	4,260
Goodwill attributable to acquisitions	217	64
Foreign currency adjustments	(39)	39
Ending balance	4,541	4,363
Corporate and Other
Changes in goodwill, net of purchase accounting adjustments
Beginning balance	20	20
Goodwill attributable to acquisitions	0	0
Foreign currency adjustments	0	0
Ending balance	$ 20	$ 20

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- Definition

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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