Amount of investment in debt security, measured at amortized cost, transferred to investment in debt security, measured at fair value, with change in fair value recognized in other comprehensive income (available-for-sale) and net income (trading).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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-Section 50
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Amount of other-than-temporary impairment (OTTI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), recognized in earnings and other comprehensive loss (OCI).

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No definition available.

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The carrying amount (fair value) as of the balance sheet date of securities held that had been pledged by counterparties under financing and lending arrangements, pursuant to which the entity has the right by agreement or custom to sell or re-pledge such securities.

+ References

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Investment Securities (Narrative) (Details) - USD ($)		9 Months Ended	12 Months Ended
Investment Securities (Narrative) (Details) - USD ($)	Jan. 01, 2019	Sep. 30, 2019	Dec. 31, 2018
Schedule of Held-to-maturity Securities [Line Items]
OTTI recognized in earnings or other comprehensive income		$ 0	$ 0
Deposits [Member]
Schedule of Held-to-maturity Securities [Line Items]
Fair value of pledged securities		918,000,000
Federal Reserve Bank Advances [Member]
Schedule of Held-to-maturity Securities [Line Items]
Fair value of pledged securities		8,300,000,000
Federal Home Loan Bank of San Francisco [Member]
Schedule of Held-to-maturity Securities [Line Items]
Fair value of pledged securities		$ 26,800,000,000
ASU 2017-12 [Member]
Schedule of Held-to-maturity Securities [Line Items]
Fair value of securities transferred from held to maturity	$ 8,800,000,000