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Goodwill - Summary of Changes in the Carrying Amount of Goodwill by Segment (Parenthetical) (Detail) - USD ($) $ in Billions	Sep. 30, 2023	Dec. 31, 2022
Goodwill [Line Items]
Accumulated goodwill impairment	$ 28.3	$ 27.6

X

- Definition

Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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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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