Common and Preferred Stock - Dividends (Details) - USD ($) $ / shares in Units, $ in Millions |
3 Months Ended | 9 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Oct. 22, 2025 |
Sep. 18, 2025 |
Jun. 18, 2025 |
Mar. 20, 2025 |
Sep. 19, 2024 |
Jun. 20, 2024 |
Mar. 21, 2024 |
Sep. 30, 2025 |
Sep. 30, 2024 |
Sep. 30, 2025 |
Sep. 30, 2024 |
|
| Equity [Abstract] | |||||||||||
| Amount per share (in dollars per share) | $ 1.51 | $ 1.51 | $ 1.51 | $ 1.40 | $ 1.40 | $ 1.40 | |||||
| Total amount paid | $ 402 | $ 401 | $ 412 | $ 390 | $ 392 | $ 401 | $ 1,215 | $ 1,183 | |||
| Subsequent Event [Line Items] | |||||||||||
| Common dividends declared (in dollars per share) | $ 1.51 | $ 1.40 | $ 4.53 | $ 4.20 | |||||||
| Amount per share (in dollars per share) | $ 1.51 | $ 1.51 | $ 1.51 | $ 1.40 | $ 1.40 | $ 1.40 | |||||
| Total amount paid | $ 402 | $ 401 | $ 412 | $ 390 | $ 392 | $ 401 | $ 1,215 | $ 1,183 | |||
| Subsequent Event | |||||||||||
| Subsequent Event [Line Items] | |||||||||||
| Common dividends declared (in dollars per share) | $ 1.51 | ||||||||||