Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.2
Share-Based Compensation - Schedule of Share-Based Compensation (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total share-based compensation $ 32 $ 32 $ 66 $ 61
Capitalized share-based compensation (1) (3) (3) (4)
Total share-based compensation expense 31 29 63 57
Tax benefit associated with share-based compensation expense 1 1 27 19
Equity Awards [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total share-based compensation 31 31 64 60
Liability Awards [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total share-based compensation $ 1 $ 1 $ 2 $ 1