v3.20.4
Leases - Schedule of Future Minimum Rental Payments for Operating Leases (Detail) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Leases [Abstract]    
Next one year [1] $ 357  
1-2 years 299  
2-3 years 250  
3-4 years 167  
4-5 years 137  
Thereafter 408  
Total undiscounted lease payments 1,618  
Less: Imputed interest 183  
Present value of minimum lease payments 1,435  
Less: Current portion 321 $ 269
Noncurrent portion $ 1,114 $ 1,030
[1] Reflects lease payments due within 12 months subsequent to the balance sheet date.