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Adoption Of New Accounting Pronouncements, Percent Phased In During Year

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Period Of Deferment For Adoption Of New Accounting Pronouncements

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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.

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Amount of unrealized gain (loss) on 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, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting.

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Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock.

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Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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The effect of a change in method or methods for calculating the allowance for credit losses on the current period provision.

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Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

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Regulatory Capital - Narrative (Details) - USD ($)		3 Months Ended
Regulatory Capital - Narrative (Details) - USD ($)	Jan. 01, 2020	Mar. 31, 2023	Mar. 31, 2022	Jan. 01, 2023	Dec. 31, 2022	Jan. 01, 2022	Dec. 31, 2021
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Allowance for credit losses		$ 1,479,306,000	$ 1,227,362,000		$ 1,357,075,000		$ 1,165,335,000
Liability for unfunded commitments		32,720,000	32,707,000		$ 124,924,000		$ 72,713,000
Dividends		0	108,000,000
Unrealized loss		$ 133,000,000	$ 160,000,000
Accounting Standards Update 2016-13
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Period of deferment	2 years
Percentage amount deferred per year	25.00%
Percentage amount phased in during year				25.00%		25.00%
Allowance for credit losses	$ 1,100,000,000
Liability for unfunded commitments	116,000,000
Deferred tax asset	306,000,000
Reduction to retained earnings	$ 953,000,000