XML 64 R53.htm IDEA: XBRL DOCUMENT v3.10.0.1
Earnings Per Share (Anti-Dilutive Equity Instruments Excluded From The Computation Of Diluted Earnings Per Share) (Details) - shares
shares in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Earnings Per Share [Abstract]        
Anti-dilutive equity instruments excluded from the computation of diluted earnings per share (in shares) 2.4 3.2 2.0 3.3