Restructuring Costs - Schedule of expenses incurred in connection (Details) - Severance costs - 2025-2026 Workforce Transformation $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2026 USD ($)	Sep. 30, 2026 USD ($)
Restructuring Cost and Reserve [Line Items]
Total restructuring plan expenses	$ 0	$ 141
Incurred to Date	$ 531	$ 531

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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- Definition

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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