XML 71 R60.htm IDEA: XBRL DOCUMENT v3.19.2
Loans Payable, Long-Term Debt and Leases Loans Payable, Long-Term Debt and Leases - Operating Leases (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2019
Jul. 31, 2019
Dec. 31, 2018
Lessee, Lease, Description [Line Items]        
Weighted-average remaining lease term (in years) 7 years 6 months 7 years 6 months    
Operating lease cost $ 82 $ 165    
Cash payments included in the measurement of operating lease liabilities 65 138    
Obligations associated with operating leases not yet commenced $ 127 $ 127    
2019       $ 188
2020       198
2021       150
2022       134
2023       84
Thereafter       $ 243
Facilities        
Lessee, Lease, Description [Line Items]        
Weighted-average remaining lease term (in years) 8 years 8 years    
Renewal term (in years) 4 years 4 years    
Vehicle        
Lessee, Lease, Description [Line Items]        
Weighted-average remaining lease term (in years) 4 years 4 years    
Subsequent Event        
Lessee, Lease, Description [Line Items]        
Obligations associated with operating leases not yet commenced     $ 72  
Term for operating lease not yet commenced (in years)     10 years