Taxes - Unrecognized Tax Benefits Narrative (Details) - USD ($) $ in Millions |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Income Tax Disclosure [Abstract] | ||||
| Unrecognized tax benefits | $ 6,655 | $ 8,875 | $ 8,772 | $ 8,728 |
| Offsetting tax benefits associated with timing adjustments, potential transfer pricing adjustments, and state income taxes | 709 | |||
| Net unrecognized tax benefit amount that, if recognized, would favorably affect the company's effective tax rate | 5,946 | 8,258 | 8,205 | |
| Interest expense and penalties, net (benefit)/charge recognized | (135) | 282 | $ 379 | |
| Interest and penalties accrued | $ 1,230 | $ 1,560 | ||