Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation - Schedule of Share-Based Compensation (Details)

v3.20.2
Share-Based Compensation - Schedule of Share-Based Compensation (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total share-based compensation $ 32 $ 34 $ 61 $ 66
Capitalized share-based compensation (3) (1) (4) (5)
Total share-based compensation expense 29 33 57 61
Tax benefit associated with share-based compensation expense 1 0 19 1
Equity Awards [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total share-based compensation 31 32 60 61
Liability Awards [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total share-based compensation $ 1 $ 2 $ 1 $ 5