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Income Taxes - Narrative (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2025	Dec. 31, 2025	May 22, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure
Discrete charge related to new legislation		$ 15,930
Discrete charge related to new legislation, valuation allowance			$ 14,030
Valuation allowance, deferred tax assets			$ 15,895		$ 3,506
Cumulative stock ownership change threshold (in percentage)			50.00%
Change in ownership percentage over period			3 years
Unrecognized tax benefits, interest and penalties accrued			$ 2,600		2,210	$ 1,480
Unrecognized tax benefits			16,450		$ 15,131	$ 11,666	$ 10,757
Unrecognized tax benefits that would impact effective tax rate			11,250
Income tax liability related to uncertain tax positions, noncurrent			11,230
Income tax liability, deferred tax liabilities, noncurrent			9,780
Internal Revenue Service (IRS)
Income Tax Disclosure
Intangible assets transferred to subsidiary, value				$ 7,790
Intangible assets transferred to subsidiary, increase in reported value				$ 1,480
Income tax examination, estimate of possible additional tax liability	$ 15,890
Domestic Tax Jurisdiction
Income Tax Disclosure
Operating loss carryforwards			16,350
Tax credit carryforward			7,850
State and Local Jurisdiction
Income Tax Disclosure
Operating loss carryforwards			3,790
Tax credit carryforward			$ 6,800

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Deferred Tax Assets, Valuation Allowance, Discrete Charge Related To New Legislation

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