XML 64 R50.htm IDEA: XBRL DOCUMENT v3.19.2
Lease Commitments Lease Commitments (Balance Sheets) (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2019
Dec. 31, 2018
Operating Leases    
Right-of-use asset $ 4,230  
Operating lease liability, current 1,340  
Noncurrent operating lease liabilities 2,708  
Total operating lease liabilities $ 4,048  
Weighted-average remaining lease term (in years) 5 years 2 months 12 days  
Weighted-average discount rate 3.10%  
Finance Leases    
Right-of-use asset $ 315  
FInance lease liability, current 25  
FInance lease liability, noncurrent 255  
FInance lease liability $ 280  
Weighted-average remaining lease term (in years) 15 years 10 months 24 days  
Weighted-average discount rate 5.00%  
Right-of-use asset obtained in exchange for operating lease liability $ 802  
Right-of-use asset obtained in exchange for finance lease liability $ 146  
Upstream    
Finance Leases    
Right-of-use asset   $ 818
Accumulated amortization   $ 617