Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount at par value of financing receivable purchased with credit deterioration.

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Amount at purchase price of financing receivable purchased with credit deterioration.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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-Section 50
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Amount of discount (premium) attributable to other factors on financing receivable purchased with credit deterioration.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Business Combinations - PCD Loans Acquired (Details) - USD ($) $ in Millions		9 Months Ended
	Mar. 20, 2023	Sep. 30, 2023	Sep. 30, 2022
Business Acquisition [Line Items]
ACL at acquisition		$ (13)	$ 0
Signature Bridge Bank
Business Acquisition [Line Items]
Par value (UPB)	$ 583
ACL at acquisition	(13)
Non-credit (discount)	(76)
Fair value	$ 494