Restructuring and Related Activities, Number of Completed Restructuring Programs

No definition available.

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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- Definition

Amount of costs incurred to date for the specified restructuring cost.

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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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No definition available.

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- Definition

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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Restructuring and Asset Impairment Charges (Narrative) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) restructuring_program	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Restructuring Cost and Reserve [Line Items]
Number of restructuring programs \| restructuring_program	5
Restructuring charges incurred to date	$ 352
Asset impairment charges	14	$ 36	$ 5
Closed Restructuring Programs
Restructuring Cost and Reserve [Line Items]
Restructuring charges incurred to date	335
Restructuring reserve	9
Closed Restructuring Programs \| Branch closure charges
Restructuring Cost and Reserve [Line Items]
Restructuring charges incurred to date	194
Closed Restructuring Programs \| Severance and other
Restructuring Cost and Reserve [Line Items]
Restructuring charges incurred to date	$ 141