Legal and Regulatory Proceedings (Details) $ in Millions					12 Months Ended
	May 28, 2019 USD ($)	Sep. 17, 2018 USD ($)	Mar. 27, 2017 merchant	Aug. 31, 2015 USD ($)	Dec. 31, 2013 class_action	Sep. 30, 2022 USD ($)	Nov. 04, 2020 class_action	Apr. 07, 2020 class_action	Dec. 18, 2019 claim	Aug. 03, 2012
Loss Contingencies
Apr percentage allegedly misleading										120.00%
Number of putative class actions filed | class_action					4
Damages sought	$ 280
Amount in excess of amounts reserved						$ 73
Helton v Fifth Third Bank
Loss Contingencies
Damages sought				$ 800
Number of pending claims | claim									1
Shareholder Litigation, Lee Christakis
Loss Contingencies
Number of pending claims | class_action								2
Shareholder Derivative Lawsuit
Loss Contingencies
Number of pending claims | class_action							5
Federal Lawsuits
Loss Contingencies
Number of merchants requesting exclusion | merchant			500
Class Action Settlement
Loss Contingencies
Total payment by all defendants		$ 6,240
Amount awarded to other party, escrow		5,340
Amount awarded to other party, additional		900
Escrow funds returned to defendants		$ 700