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

Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs.

+ References

No definition available.

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- Definition

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

+ References

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- Definition

The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Basis of Presentation and Accounting Policies (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Jan. 01, 2023	Dec. 31, 2022	Dec. 31, 2021
Business Acquisition [Line Items]
Allowance for loan and lease losses	$ (715)	$ (622)		$ (685)	$ (670)
Retained earnings	3,595			3,430
Accounting Standards Update 2022-02
Business Acquisition [Line Items]
Allowance for loan and lease losses			$ 6	$ 6
Retained earnings			$ 4
TD Transaction
Business Acquisition [Line Items]
Merger and integration expense	$ 21	$ 9