Capital Stock - Dividends Common Stock (Details) - USD ($) $ / shares in Units, $ in Millions |
3 Months Ended | 9 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
Sep. 30, 2024 |
Jun. 30, 2024 |
Mar. 31, 2024 |
Sep. 30, 2023 |
Jun. 30, 2023 |
Mar. 31, 2023 |
Sep. 30, 2024 |
Sep. 30, 2023 |
|
| Equity [Abstract] | ||||||||
| Base (in dollars per share) | $ 0.21 | $ 0.21 | $ 0.21 | $ 0.20 | $ 0.20 | $ 0.20 | $ 0.63 | $ 0.60 |
| Variable (in dollars per share) | 0 | 0 | 0 | 0 | 0 | 0.37 | 0 | 0.37 |
| Total (in dollars per share) | $ 0.21 | $ 0.21 | $ 0.21 | $ 0.20 | $ 0.20 | $ 0.57 | $ 0.63 | $ 0.97 |
| Total dividends | $ 156 | $ 158 | $ 160 | $ 153 | $ 153 | $ 438 | $ 474 | $ 744 |