XML 75 R52.htm IDEA: XBRL DOCUMENT v3.19.2
Share-Based Compensation (Schedule Of Share-Based Compensation Expense Included In The Consolidated Comprehensive Statements Of Earnings) (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Share-based compensation expense $ 69 $ 87
Related income tax benefit 10  
G&A [Member]    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Share-based compensation expense 44 59
Exploration Expenses [Member]    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Share-based compensation expense 1 2
Restructuring and Transaction Costs [Member]    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Accelerated share-based compensation expense $ 24 $ 26