Preparation Of Interim Financial Statements (Narrative) (Details) - USD ($) shares in Thousands, $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Share Repurchase Program [Line Items] | ||||
| Repurchase of common stock (in shares) | 34,000 | 0 | 43,000 | 9,000 |
| Treasury Stock, Value, Acquired, Cost Method | $ 968 | $ 2 | $ 1,186 | $ 159 |
| Stock Repurchase Program December 2024 [Member] | ||||
| Share Repurchase Program [Line Items] | ||||
| Share Repurchase Program, Authorized, Amount | $ 10,000 | $ 10,000 | ||
| Repurchase of common stock (in shares) | 34,000 | |||
| Treasury Stock, Value, Acquired, Cost Method | $ 958 | |||