XML 18 R6.htm IDEA: XBRL DOCUMENT v3.21.2
Consolidated Statements of Equity (Parenthetical) - $ / shares
3 Months Ended 9 Months Ended
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Sep. 30, 2021
Sep. 30, 2020
Statement of Stockholders' Equity [Abstract]                
Dividends declared (usd per share) $ 2.07 $ 0.56 $ 0.56 $ 0.55 $ 0.55 $ 0.55 $ 3.19 $ 1.65