Allowance for commercial unfunded loan commitments and letters of credit

No definition available.

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- Definition

Reclassification of Equity Securities from Nommarketable to Marketable

+ References

No definition available.

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- Definition

Unfunded Commercial Loan Commitments and Letters of Credit

+ References

No definition available.

+ Details

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- Definition

Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

+ Details

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- Definition

Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-URI http://asc.fasb.org/subtopic&trid=2196772

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Fair Value Measurement and Election - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Loans Receivable, Fair Value Disclosure	$ 168		$ 168		$ 196
Unfunded loan commitments and letters of credit	71,100		71,100		66,400
Allowance for unfunded loan commitments and letters of credit	74		74		84
Reclassification of Equity Securities from Nommarketable to Marketable			22
Fair Value, Inputs, Level 1 [Member]
Loans Receivable, Fair Value Disclosure	0		0		0
Fair Value, Inputs, Level 2 [Member]
Loans Receivable, Fair Value Disclosure	0		0		0
Fair Value, Inputs, Level 3 [Member]
Loans Receivable, Fair Value Disclosure	168		168		196
Total Return Swap [Member] \| Fair Value, Inputs, Level 2 [Member]
Loans Receivable, Fair Value Disclosure	1,900		1,900		1,700
Interest Rate Lock Commitments [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3	26	$ 51	43	$ 157
Trading Loans [Member] \| SBA Loans [Member] \| Fair Value, Inputs, Level 2 [Member]
Loans Receivable, Fair Value Disclosure	182		182		368
Trading Loans [Member] \| Commercial and Corporate Leveraged Loans [Member] \| Fair Value, Inputs, Level 2 [Member]
Loans Receivable, Fair Value Disclosure	65		65		48
Fair Value, Measurements, Recurring [Member]
Loans Receivable, Fair Value Disclosure	168		168		196
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member]
Loans Receivable, Fair Value Disclosure	0		0		0
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Loans Receivable, Fair Value Disclosure	0		0		0
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Loans Receivable, Fair Value Disclosure	$ 168		$ 168		$ 196