Consolidated Statement of Changes in Equity (Parenthetical) - $ / shares |
3 Months Ended | 12 Months Ended | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2020 |
Sep. 30, 2020 |
Jun. 30, 2020 |
Mar. 31, 2020 |
Dec. 31, 2019 |
Sep. 30, 2019 |
Jun. 30, 2019 |
Mar. 31, 2019 |
Dec. 31, 2018 |
Sep. 30, 2018 |
Jun. 30, 2018 |
Mar. 31, 2018 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|
| Consolidated Statement of Changes in Equity | |||||||||||||||
| Dividends declared in current period (in dollars per share) | $ 1.47 | $ 1.47 | $ 1.47 | $ 1.47 | $ 1.44 | $ 1.44 | $ 1.44 | $ 1.44 | $ 1.36 | $ 1.36 | $ 1.36 | $ 1.36 | $ 5.88 | $ 5.76 | $ 5.44 |