Additional Financial Statement Information (Share Repurchases) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Share Repurchase Program [Line Items] | ||
| Treasury Stock, Value, Acquired, Cost Method | $ 280 | $ 326 |
| January 2025 Share Repurchase Program [Member] | ||
| Share Repurchase Program [Line Items] | ||
| Repurchase of common stock (in shares) | 4.5 | |
| Treasury Stock, Value, Acquired, Cost Method | $ 280 | |
| Average price per share of shares repurchased (USD per share) | $ 62.33 | |
| January 2024 Share Repurchase Program [Member] | ||
| Share Repurchase Program [Line Items] | ||
| Repurchase of common stock (in shares) | 5.7 | |
| Treasury Stock, Value, Acquired, Cost Method | $ 326 | |
| Average price per share of shares repurchased (USD per share) | $ 56.97 | |