v3.10.0.1
Summary of Significant Accounting Policies - Schedule of Net Investment in Domestic and International Leveraged Leases (Details) - USD ($)
$ in Millions
Dec. 31, 2018
Dec. 31, 2017
Leveraged Lease [Line Items]    
Investment in leveraged leases $ 86  
Domestic and international leveraged leases    
Leveraged Lease [Line Items]    
Net rentals receivable 1,563 $ 1,498
Unearned income (765) (723)
Investment in leveraged leases 798 775
Deferred taxes from leveraged leases (255) (252)
Net investment in leveraged leases $ 543 $ 523