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Equity Securities Classified as Other Assets, Fair Value Disclosure

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Other Assets, Fair Value Disclosure [Abstract]

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- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of unrealized gain (loss) on investment in debt and equity securities.

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Carrying amount as of the balance sheet date of assets held under deferred compensation agreements.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and elected not to be offset.

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Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, and obligation to return cash collateral under master netting arrangements.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Fair value of asset associated with financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, and right to receive cash collateral under master netting arrangements.

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and elected not to be offset.

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Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

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Fair value portion of other assets.

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Fair value portion of interest continued to be held by a transferor after transferring financial assets to a third party.

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Fair Value Measurement - Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Dec. 31, 2019	Sep. 30, 2019
Assets:
Securities available for sale (amortized cost of $96.7 billion and allowance for credit losses of $3 million as of September 30, 2020)	$ 99,853	$ 79,213
Loans held for sale	1,300	251
Derivative assets, gross amount	4,101	1,729
Derivative asset, netting adjustments	(1,622)	(633)
Derivative asset	2,479	1,096
Liabilities:
Derivative liabilities, gross amount	1,739	1,197
Derivative liability, netting adjustments	(708)	(523)
Derivative liability	1,031	674
Net valuation allowance	40	12
Level 1
Assets:
Loans held for sale	0	0
Level 2
Assets:
Loans held for sale	2,277	149
Level 3
Assets:
Loans held for sale	0	0
Recurring
Assets:
Securities available for sale (amortized cost of $96.7 billion and allowance for credit losses of $3 million as of September 30, 2020)	99,853	79,213
Loans held for sale	1,255	251
Derivative asset	2,479	1,096
Other assets	920	410
Total assets	104,507	80,970
Liabilities:
Derivative liability	1,031	674
Recurring \| Level 1
Assets:
Securities available for sale (amortized cost of $96.7 billion and allowance for credit losses of $3 million as of September 30, 2020)	9,525	4,355
Loans held for sale	0	0
Derivative assets, gross amount	255	84
Other assets	371	344
Total assets	10,151	4,783
Other assets:
Deferred compensation plan assets	370	343
Equity securities		1
Liabilities:
Derivative liabilities, gross amount	236	17
Recurring \| Level 2
Assets:
Securities available for sale (amortized cost of $96.7 billion and allowance for credit losses of $3 million as of September 30, 2020)	89,482	74,416
Loans held for sale	1,255	251
Derivative assets, gross amount	3,693	1,568
Other assets	493	0
Total assets	94,923	76,235
Liabilities:
Derivative liabilities, gross amount	1,394	1,129
Recurring \| Level 3
Assets:
Securities available for sale (amortized cost of $96.7 billion and allowance for credit losses of $3 million as of September 30, 2020)	846	442
Loans held for sale	0	0
Derivative assets, gross amount	153	77	$ 82
Other assets	56	66
Total assets	1,055	585
Other assets:
Retained interests in securitizations	56	66
Liabilities:
Derivative liabilities, gross amount	109	51	$ 76
Recurring \| Fair Value Inputs Level 1 And Level 2 [Member]
Other assets:
Equity securities	494
Liabilities:
Debt and Equity Securities, Unrealized Gain (Loss)	470
U.S. Treasury securities
Assets:
Securities available for sale (amortized cost of $96.7 billion and allowance for credit losses of $3 million as of September 30, 2020)	9,345	4,124
U.S. Treasury securities \| Recurring
Assets:
Securities available for sale (amortized cost of $96.7 billion and allowance for credit losses of $3 million as of September 30, 2020)	9,345	4,124
U.S. Treasury securities \| Recurring \| Level 1
Assets:
Securities available for sale (amortized cost of $96.7 billion and allowance for credit losses of $3 million as of September 30, 2020)	9,345	4,124
U.S. Treasury securities \| Recurring \| Level 2
Assets:
Securities available for sale (amortized cost of $96.7 billion and allowance for credit losses of $3 million as of September 30, 2020)	0	0
U.S. Treasury securities \| Recurring \| Level 3
Assets:
Securities available for sale (amortized cost of $96.7 billion and allowance for credit losses of $3 million as of September 30, 2020)	0	0
RMBS
Assets:
Securities available for sale (amortized cost of $96.7 billion and allowance for credit losses of $3 million as of September 30, 2020)	76,659	64,338
RMBS \| Recurring
Assets:
Securities available for sale (amortized cost of $96.7 billion and allowance for credit losses of $3 million as of September 30, 2020)	76,659	64,338
RMBS \| Recurring \| Level 1
Assets:
Securities available for sale (amortized cost of $96.7 billion and allowance for credit losses of $3 million as of September 30, 2020)	0	0
RMBS \| Recurring \| Level 2
Assets:
Securities available for sale (amortized cost of $96.7 billion and allowance for credit losses of $3 million as of September 30, 2020)	76,185	63,909
RMBS \| Recurring \| Level 3
Assets:
Securities available for sale (amortized cost of $96.7 billion and allowance for credit losses of $3 million as of September 30, 2020)	474	429
CMBS \| Recurring
Assets:
Securities available for sale (amortized cost of $96.7 billion and allowance for credit losses of $3 million as of September 30, 2020)	11,435	9,426
CMBS \| Recurring \| Level 1
Assets:
Securities available for sale (amortized cost of $96.7 billion and allowance for credit losses of $3 million as of September 30, 2020)	0	0
CMBS \| Recurring \| Level 2
Assets:
Securities available for sale (amortized cost of $96.7 billion and allowance for credit losses of $3 million as of September 30, 2020)	11,063	9,413
CMBS \| Recurring \| Level 3
Assets:
Securities available for sale (amortized cost of $96.7 billion and allowance for credit losses of $3 million as of September 30, 2020)	372	13
Other securities
Assets:
Securities available for sale (amortized cost of $96.7 billion and allowance for credit losses of $3 million as of September 30, 2020)	2,414	1,325
Other securities \| Recurring
Assets:
Securities available for sale (amortized cost of $96.7 billion and allowance for credit losses of $3 million as of September 30, 2020)	2,414	1,325
Other securities \| Recurring \| Level 1
Assets:
Securities available for sale (amortized cost of $96.7 billion and allowance for credit losses of $3 million as of September 30, 2020)	180	231
Other securities \| Recurring \| Level 2
Assets:
Securities available for sale (amortized cost of $96.7 billion and allowance for credit losses of $3 million as of September 30, 2020)	2,234	1,094
Other securities \| Recurring \| Level 3
Assets:
Securities available for sale (amortized cost of $96.7 billion and allowance for credit losses of $3 million as of September 30, 2020)	$ 0	$ 0