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 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total share-based compensation $ 27 $ 35 $ 88 $ 101
Capitalized share-based compensation 0 (2) (4) (7)
Total share-based compensation expense 27 33 84 94
Tax benefit associated with share-based compensation expense 2 2 21 3
Equity Awards [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total share-based compensation 26 33 86 94
Liability Awards [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total share-based compensation $ 1 $ 2 $ 2 $ 7