XML 71 R57.htm IDEA: XBRL DOCUMENT v3.20.2
Net Income (Loss) Attributable to Company Per Share - Additional Information (Detail) - shares
shares in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Earnings Per Share [Abstract]        
Anti-dilutive stock options outstanding 28 25 28 21