Earnings or Loss per Share (Schedules) (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Denominator:
Weighted average ordinary shares outstanding (basic EPS computation) (in shares)	590,985,197	714,234,500	608,816,109	730,476,710
Incremental shares attributable to the assumed exercise of outstanding options and SARs and the release of RSUs and PSUs upon vesting (treasury stock method) (in shares)	0	3,086,122	0	0
Weighted average ordinary shares outstanding (diluted EPS computation) (in shares)	590,985,197	717,320,622	608,816,109	730,476,710