Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.1
Share-Based Compensation - Schedule of Share-Based Compensation (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total share-based compensation $ 34 $ 30
Capitalized share-based compensation (2) (1)
Share-based Payment Arrangement, Expense 32 29
Tax benefit associated with share-based compensation expense 25 18
Equity Awards [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total share-based compensation 33 30
Liability Awards [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total share-based compensation $ 1 $ 0