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.

No definition available.

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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
-Section S99
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- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

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- Definition

Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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Loans Receivable - Summary of Loans Receivable (Detail) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018	Dec. 31, 2017
Loans Receivable [Line Items]
Subtotal	$ 87,158	$ 81,656
Allowance for loan losses	(1,321)	(1,066)	$ (803)
Total loans receivable	85,837	80,590
Corporate Loans [Member]
Loans Receivable [Line Items]
Subtotal	41,463	37,283
PWM loans [Member]
Loans Receivable [Line Items]
Subtotal	18,331	17,518
Commercial real estate loans [Member]
Loans Receivable [Line Items]
Subtotal	12,662	11,441
Residential real estate loans [Member]
Loans Receivable [Line Items]
Subtotal	5,657	7,284
Consumer loans [Member]
Loans Receivable [Line Items]
Subtotal	5,525	4,536
Other Loans [Member]
Loans Receivable [Line Items]
Subtotal	$ 3,520	$ 3,594