Consolidated Statement of Changes in Equity (Parenthetical) - $ / shares |
3 Months Ended | |||||
|---|---|---|---|---|---|---|
Sep. 30, 2019 |
Jun. 30, 2019 |
Mar. 31, 2019 |
Sep. 30, 2018 |
Jun. 30, 2018 |
Mar. 31, 2018 |
|
| Common Stock | ||||||
| Cash dividends declared on Class A and Class B common stock (USD per share) | $ 0.33 | $ 0.33 | $ 0.33 | $ 0.25 | $ 0.25 | $ 0.25 |