Restructuring (Activity Related To The Restructuring Costs) (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2024 |
Jun. 30, 2023 |
Jun. 30, 2024 |
Jun. 30, 2023 |
|
| Restructuring Cost and Reserve [Roll Forward] | ||||
| Liability beginning balance | $ 33 | |||
| Restructuring | $ 0 | $ 11 | 0 | $ 11 |
| Cash Payments | (14) | |||
| Liability ending balance | 19 | 19 | ||
| Facility related | ||||
| Restructuring Cost and Reserve [Roll Forward] | ||||
| Liability beginning balance | 17 | |||
| Restructuring | 0 | |||
| Cash Payments | (2) | |||
| Liability ending balance | 15 | 15 | ||
| Personnel-related | ||||
| Restructuring Cost and Reserve [Roll Forward] | ||||
| Liability beginning balance | 16 | |||
| Restructuring | 0 | |||
| Cash Payments | (12) | |||
| Liability ending balance | $ 4 | $ 4 | ||