Quarterly report pursuant to Section 13 or 15(d)

Leases - Supplemental Balance Sheet Information (Details)

v3.19.2
Leases - Supplemental Balance Sheet Information (Details) - USD ($)
$ in Millions
Jun. 30, 2019
Jan. 01, 2019
Dec. 31, 2018
Leases      
Operating lease ROU assets (1) $ 326 $ 287  
Operating lease ROU asset location us-gaap:OtherAssetsNoncurrent    
Current operating lease liabilities (2) $ 53 51  
Current operating lease location us-gaap:OtherLiabilitiesCurrent    
Operating lease liabilities (3) $ 302 $ 259  
Operating lease liabilities location us-gaap:OtherLiabilitiesNoncurrent    
Total operating lease liabilities $ 355    
Property and equipment, net 1,339   $ 1,322
Current finance lease liabilities (2) $ 20    
Finance lease current liabilities location us-gaap:OtherLiabilitiesCurrent    
Finance lease liabilities (3) $ 158    
Finance lease liabilities location us-gaap:OtherLiabilitiesNoncurrent    
Total finance lease liabilities $ 178    
Finance lease ROU assets (4)      
Leases      
Property and equipment, at cost 277    
Accumulated depreciation (128)    
Property and equipment, net $ 149