Revenue Recognition (Contract with Customer) (Details) $ in Millions |
12 Months Ended |
|---|---|
|
Dec. 31, 2025
USD ($)
| |
| Capitalized Contract Cost [Abstract] | |
| Beginning of period contract liability recorded as customer contract revenue during period | $ 3,981 |
| Minimum | Deferred Acquisition Costs | |
| Capitalized Contract Cost [Abstract] | |
| Expected customer relationship life | 3 years |
| Minimum | Deferred Fulfillment Costs | |
| Capitalized Contract Cost [Abstract] | |
| Expected customer relationship life | 3 years |
| Maximum | Deferred Acquisition Costs | |
| Capitalized Contract Cost [Abstract] | |
| Expected customer relationship life | 5 years |
| Maximum | Deferred Fulfillment Costs | |
| Capitalized Contract Cost [Abstract] | |
| Expected customer relationship life | 5 years |