XML 129 R70.htm IDEA: XBRL DOCUMENT v3.19.3
Earnings Per Share - Anti-dilutive Shares (Details) - shares
shares in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Stock Based Compensation Expense [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Shares issuable under stock-based compensation plans 4 0 3 0