Condensed Consolidated Statements of Changes in Equity (Parenthetical) - $ / shares |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Aug. 14, 2019 |
Sep. 30, 2019 |
Sep. 30, 2018 |
Sep. 30, 2019 |
Sep. 30, 2018 |
|
| Statement of Stockholders' Equity [Abstract] | |||||
| Cash dividends declared per common share (in $ per share) | $ 0.67 | $ 0.67 | $ 0.55 | $ 1.77 | $ 1.45 |
| Cash dividends declared per preferred share (in $ per share) | $ 1.8125 | $ 1.81 | $ 1.81 | $ 5.44 | $ 5.44 |