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Post-Employment Benefits - Narrative (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Defined Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Company contributions	$ 256	$ 298
Medical and Dental Plans
Defined Benefit Plan Disclosure [Line Items]
Company contributions	$ 75	$ 28

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- Definition

Amount of contribution received by defined benefit plan from employer which increases plan assets.

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