The TDR loans held-for-investment carried under the fair value option method.

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Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

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Amount of financing receivable modified as troubled debt restructuring.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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Loans Held-for-Investment - Summary of TDRs by Type and Performing Status and Newly Modified TDRs (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022 USD ($) loan	Jun. 30, 2021 USD ($) loan	Jun. 30, 2022 USD ($) loan	Jun. 30, 2021 USD ($) loan	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Troubled Debt Restructurings
TDRs	$ 42		$ 42			$ 37
Allowance for loan losses	122	$ 202	122	$ 202	$ 131	154	$ 241	$ 252
TDR loans under fair value option	$ 1		$ 1			5
Number of Accounts (in loans) \| loan	34	7	44	13
Pre-Modification Unpaid Principal Balance	$ 9	$ 5	$ 11	$ 9
Post-Modification Unpaid Principal Balance	9	$ 5	11	$ 9
Troubled debt restructurings
Troubled Debt Restructurings
Allowance for loan losses	4		4			4
Performing
Troubled Debt Restructurings
TDRs	22		22			24
Nonperforming
Troubled Debt Restructurings
TDRs	$ 20		$ 20			13
Residential first mortgage loans
Troubled Debt Restructurings
Number of Accounts (in loans) \| loan	32	5	41	11
Pre-Modification Unpaid Principal Balance	$ 9	$ 3	$ 11	$ 7
Post-Modification Unpaid Principal Balance	$ 9	$ 3	$ 11	$ 7
Home equity
Troubled Debt Restructurings
Number of Accounts (in loans) \| loan	0	1	1	1
Pre-Modification Unpaid Principal Balance	$ 0	$ 0	$ 0	$ 0
Post-Modification Unpaid Principal Balance	$ 0	$ 0	$ 0	$ 0
Consumer
Troubled Debt Restructurings
Number of Accounts (in loans) \| loan	2		2	0
Pre-Modification Unpaid Principal Balance	$ 0		$ 0	$ 0
Post-Modification Unpaid Principal Balance	0		0	$ 0
Commercial real estate
Troubled Debt Restructurings
Number of Accounts (in loans) \| loan		1		1
Pre-Modification Unpaid Principal Balance		$ 2		$ 2
Post-Modification Unpaid Principal Balance		2		2
Consumer loans
Troubled Debt Restructurings
TDRs						35
Consumer loans \| Performing
Troubled Debt Restructurings
TDRs						22
Consumer loans \| Nonperforming
Troubled Debt Restructurings
TDRs						13
Consumer loans \| Residential first mortgage loans
Troubled Debt Restructurings
TDRs	34		34			25
Allowance for loan losses	33	48	33	48	43	40	45	49
Consumer loans \| Residential first mortgage loans \| Performing
Troubled Debt Restructurings
TDRs	16		16			14
Consumer loans \| Residential first mortgage loans \| Nonperforming
Troubled Debt Restructurings
TDRs	18		18			11
Consumer loans \| Home equity
Troubled Debt Restructurings
TDRs	8		8			10
Allowance for loan losses	21	17	21	17	16	14	20	25
Consumer loans \| Home equity \| Performing
Troubled Debt Restructurings
TDRs	6		6			8
Consumer loans \| Home equity \| Nonperforming
Troubled Debt Restructurings
TDRs	2		2			2
Commercial loans
Troubled Debt Restructurings
TDRs						2
Commercial loans \| Performing
Troubled Debt Restructurings
TDRs						2
Commercial loans \| Nonperforming
Troubled Debt Restructurings
TDRs						0
Commercial loans \| Commercial and industrial
Troubled Debt Restructurings
TDRs						2
Allowance for loan losses	$ 11	$ 38	$ 11	$ 38	$ 13	32	$ 55	$ 51
Commercial loans \| Commercial and industrial \| Performing
Troubled Debt Restructurings
TDRs						2
Commercial loans \| Commercial and industrial \| Nonperforming
Troubled Debt Restructurings
TDRs						$ 0