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Equity Securities Classified as Other Assets, Fair Value Disclosure

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

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Amount excluding accrued interest, 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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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 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 (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021
Assets:
Securities available for sale (amortized cost of $86.1 billion and $94.9 billion and allowance for credit losses of $4 million and $1 million as of September 30, 2022 and December 31, 2021, respectively)	$ 75,303	$ 95,261
Loans Held-for-sale, Fair Value Disclosure	1,700	1,000
Derivative assets, gross amount	4,807	2,690
Derivative asset, netting adjustments	(1,645)	(542)
Derivative asset	3,162	2,148
Liabilities:
Derivative liabilities, gross amount	6,175	1,868
Derivative liability, netting adjustments	(1,580)	(544)
Derivative liability	4,595	1,324
Net valuation allowance	6	11
Level 1
Assets:
Loans Held-for-sale, Fair Value Disclosure	0	0
Level 2
Assets:
Loans Held-for-sale, Fair Value Disclosure	5	5,091
Level 3
Assets:
Loans Held-for-sale, Fair Value Disclosure	0	0
Recurring
Assets:
Securities available for sale (amortized cost of $86.1 billion and $94.9 billion and allowance for credit losses of $4 million and $1 million as of September 30, 2022 and December 31, 2021, respectively)	75,303	95,261
Loans Held-for-sale, Fair Value Disclosure	1,724	1,026
Derivative asset	3,162	2,148
Other assets	467	573
Total assets	80,656	99,008
Liabilities:
Derivative liability	4,595	1,324
Recurring \| Level 1
Assets:
Securities available for sale (amortized cost of $86.1 billion and $94.9 billion and allowance for credit losses of $4 million and $1 million as of September 30, 2022 and December 31, 2021, respectively)	5,269	9,648
Loans Held-for-sale, Fair Value Disclosure	0	0
Derivative assets, gross amount	986	406
Other assets	429	526
Total assets	6,684	10,580
Other assets:
Deferred compensation plan assets	416	490
Liabilities:
Derivative liabilities, gross amount	1,551	838
Recurring \| Level 2
Assets:
Securities available for sale (amortized cost of $86.1 billion and $94.9 billion and allowance for credit losses of $4 million and $1 million as of September 30, 2022 and December 31, 2021, respectively)	69,636	85,346
Loans Held-for-sale, Fair Value Disclosure	1,724	1,026
Derivative assets, gross amount	3,711	2,200
Other assets	2	6
Total assets	75,073	88,578
Liabilities:
Derivative liabilities, gross amount	4,509	965
Recurring \| Level 3
Assets:
Securities available for sale (amortized cost of $86.1 billion and $94.9 billion and allowance for credit losses of $4 million and $1 million as of September 30, 2022 and December 31, 2021, respectively)	398	267
Loans Held-for-sale, Fair Value Disclosure	0	0
Derivative assets, gross amount	110	84	$ 191
Other assets	36	41
Total assets	544	392
Other assets:
Retained interests in securitizations	36	41
Liabilities:
Derivative liabilities, gross amount	115	65	$ 152
Recurring \| Fair Value Inputs Level 1 And Level 2 [Member]
Other assets:
Equity securities	15	42
Liabilities:
Debt and Equity Securities, Unrealized Gain (Loss)	(17)	(36)
U.S. Treasury securities
Assets:
Securities available for sale (amortized cost of $86.1 billion and $94.9 billion and allowance for credit losses of $4 million and $1 million as of September 30, 2022 and December 31, 2021, respectively)	5,027	9,442
U.S. Treasury securities \| Recurring
Assets:
Securities available for sale (amortized cost of $86.1 billion and $94.9 billion and allowance for credit losses of $4 million and $1 million as of September 30, 2022 and December 31, 2021, respectively)	5,027	9,442
U.S. Treasury securities \| Recurring \| Level 1
Assets:
Securities available for sale (amortized cost of $86.1 billion and $94.9 billion and allowance for credit losses of $4 million and $1 million as of September 30, 2022 and December 31, 2021, respectively)	5,027	9,442
U.S. Treasury securities \| Recurring \| Level 2
Assets:
Securities available for sale (amortized cost of $86.1 billion and $94.9 billion and allowance for credit losses of $4 million and $1 million as of September 30, 2022 and December 31, 2021, respectively)	0	0
U.S. Treasury securities \| Recurring \| Level 3
Assets:
Securities available for sale (amortized cost of $86.1 billion and $94.9 billion and allowance for credit losses of $4 million and $1 million as of September 30, 2022 and December 31, 2021, respectively)	0	0
RMBS
Assets:
Securities available for sale (amortized cost of $86.1 billion and $94.9 billion and allowance for credit losses of $4 million and $1 million as of September 30, 2022 and December 31, 2021, respectively)	61,982	73,616
RMBS \| Recurring
Assets:
Securities available for sale (amortized cost of $86.1 billion and $94.9 billion and allowance for credit losses of $4 million and $1 million as of September 30, 2022 and December 31, 2021, respectively)	61,982	73,616
RMBS \| Recurring \| Level 1
Assets:
Securities available for sale (amortized cost of $86.1 billion and $94.9 billion and allowance for credit losses of $4 million and $1 million as of September 30, 2022 and December 31, 2021, respectively)	0	0
RMBS \| Recurring \| Level 2
Assets:
Securities available for sale (amortized cost of $86.1 billion and $94.9 billion and allowance for credit losses of $4 million and $1 million as of September 30, 2022 and December 31, 2021, respectively)	61,764	73,358
RMBS \| Recurring \| Level 3
Assets:
Securities available for sale (amortized cost of $86.1 billion and $94.9 billion and allowance for credit losses of $4 million and $1 million as of September 30, 2022 and December 31, 2021, respectively)	218	258
CMBS \| Recurring
Assets:
Securities available for sale (amortized cost of $86.1 billion and $94.9 billion and allowance for credit losses of $4 million and $1 million as of September 30, 2022 and December 31, 2021, respectively)	7,296	9,369
CMBS \| Recurring \| Level 1
Assets:
Securities available for sale (amortized cost of $86.1 billion and $94.9 billion and allowance for credit losses of $4 million and $1 million as of September 30, 2022 and December 31, 2021, respectively)	0	0
CMBS \| Recurring \| Level 2
Assets:
Securities available for sale (amortized cost of $86.1 billion and $94.9 billion and allowance for credit losses of $4 million and $1 million as of September 30, 2022 and December 31, 2021, respectively)	7,116	9,360
CMBS \| Recurring \| Level 3
Assets:
Securities available for sale (amortized cost of $86.1 billion and $94.9 billion and allowance for credit losses of $4 million and $1 million as of September 30, 2022 and December 31, 2021, respectively)	180	9
Other securities
Assets:
Securities available for sale (amortized cost of $86.1 billion and $94.9 billion and allowance for credit losses of $4 million and $1 million as of September 30, 2022 and December 31, 2021, respectively)	998	2,834
Other securities \| Recurring
Assets:
Securities available for sale (amortized cost of $86.1 billion and $94.9 billion and allowance for credit losses of $4 million and $1 million as of September 30, 2022 and December 31, 2021, respectively)	998	2,834
Other securities \| Recurring \| Level 1
Assets:
Securities available for sale (amortized cost of $86.1 billion and $94.9 billion and allowance for credit losses of $4 million and $1 million as of September 30, 2022 and December 31, 2021, respectively)	242	206
Other securities \| Recurring \| Level 2
Assets:
Securities available for sale (amortized cost of $86.1 billion and $94.9 billion and allowance for credit losses of $4 million and $1 million as of September 30, 2022 and December 31, 2021, respectively)	756	2,628
Other securities \| Recurring \| Level 3
Assets:
Securities available for sale (amortized cost of $86.1 billion and $94.9 billion and allowance for credit losses of $4 million and $1 million as of September 30, 2022 and December 31, 2021, respectively)	$ 0	$ 0