Stockholders' Equity (Summary Of Dividends Paid On Common Stock) (Details) - USD ($) $ / shares in Units, $ in Millions |
3 Months Ended | 6 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2025 |
Mar. 31, 2025 |
Jun. 30, 2024 |
Mar. 31, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
[1] | |||
| Stockholders Equity [Line Items] | |||||||||
| Dividends | $ 319 | $ 522 | |||||||
| Rate Per Share | $ 0.24 | $ 0.24 | $ 0.35 | $ 0.44 | |||||
| Variable Dividend Date March 31, 2024 | |||||||||
| Stockholders Equity [Line Items] | |||||||||
| Dividends | $ 299 | ||||||||
| Variable Dividend Date June 30, 2024 | |||||||||
| Stockholders Equity [Line Items] | |||||||||
| Dividends | $ 223 | ||||||||
| Fixed Dividends Year To Date March 31, 2025 | |||||||||
| Stockholders Equity [Line Items] | |||||||||
| Dividends | $ 163 | ||||||||
| Fixed Dividends Year To Date June 30, 2025 [Member] | |||||||||
| Stockholders Equity [Line Items] | |||||||||
| Dividends | $ 156 | ||||||||
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