Income Taxes - Reconciliation of the Beginning and Ending Amounts of the Bancorp's Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Unrecognized Tax Benefits [Roll Forward]
Unrecognized tax benefits at January 1	$ 97	$ 94	$ 102
Gross increases for tax positions taken during prior period	12	14	3
Gross decreases for tax positions taken during prior period	(7)	(5)	(5)
Gross increases for tax positions taken during current period	21	15	11
Settlements with taxing authorities	(1)	(1)	0
Lapse of applicable statute of limitations	(21)	(20)	(17)
Unrecognized tax benefits at December 31	$ 101	$ 97	$ 94

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 217
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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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