XML 33 R8.htm IDEA: XBRL DOCUMENT v3.20.4
CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (Parenthetical) - $ / shares
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Statement of Stockholders' Equity [Abstract]      
Dividends (in dollars per share) $ 0.10 $ 0.73 $ 0.84
Accounting Standards Update [Extensible List] us-gaap:AccountingStandardsUpdate201904Member   us-gaap:AccountingStandardsUpdate201409Member