Income Taxes (Details) - USD ($) $ in Millions |
1 Months Ended | 3 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2025 |
Mar. 31, 2026 |
Sep. 30, 2025 |
Dec. 31, 2025 |
May 22, 2025 |
|
| Income Tax Contingency [Line Items] | |||||
| Unrecognized tax benefits | $ 17,820 | $ 16,450 | |||
| Unrecognized tax benefits that would result in tax benefit if realized | 11,980 | ||||
| Accrued interest and penalties | 2,830 | $ 2,600 | |||
| Discrete charge (benefit) related to new legislation | $ (8,030) | $ 15,930 | |||
| Internal Revenue Service (IRS) | |||||
| Income Tax Contingency [Line Items] | |||||
| Intangible assets transferred to subsidiary, value | $ 7,790 | ||||
| Intangible asset transferred to subsidiary, increase in reported value | $ 1,480 | ||||
| Income tax examination, estimate of possible loss | $ 15,890 | ||||