Income Taxes - Additional Information (Detail) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2025 USD ($)	Sep. 30, 2025 USD ($)
Income Taxes [Line Items]
Effective tax rate	26.80%	10.10%
Restructuring related income tax benefit		$ 361
Foreign Tax Authority
Income Taxes [Line Items]
Provision for uncertain tax positions	$ 281	281
Deferred tax liabilities, deemed repatriation	0	0
Domestic Tax Authority
Income Taxes [Line Items]
Deferred tax liabilities, deemed repatriation	144	144
Other Liabilities
Income Taxes [Line Items]
Unrecognized tax benefits that would impact effective tax rate	221	221
Accrued interest and penalties	$ 60	$ 60