Earnings and Dividends Per Common Share, Outstanding Anti-dilutive Securities (Details) - shares shares in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
| Contingently convertible securities included in diluted earnings per share [true false] | false | false | false | false |
| Treasury stock method [Member] | Stock-based compensation awards [Member] | ||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
| Antidilutive instruments | 10.0 | 1.4 | 5.6 | 0.8 |
| Convertible Preferred Stock, Series L [Member] | If-converted method [Member] | ||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
| Antidilutive instruments | 25.3 | 25.3 | 25.3 | 25.3 |