Quarterly report pursuant to Section 13 or 15(d)

Leases - Supplemental Balance Sheet Information (Details)

v3.19.1
Leases - Supplemental Balance Sheet Information (Details) - USD ($)
$ in Millions
Mar. 31, 2019
Jan. 01, 2019
Dec. 31, 2018
Operating Lease [Abstract]      
Operating lease right-of-use assets $ 428 $ 347 $ 0
Operating lease current liabilities 46 30 0
Operating lease liabilities 397 $ 339 $ 0
Total operating lease liabilities 443    
Finance Lease [Abstract]      
Property and equipment, gross 31    
Accumulated depreciation (22)    
Property and equipment, net 9    
Current maturities of debt 4    
Long-term debt 1    
Total finance lease liabilities $ 5    
Weighted average remaining lease term, operating leases (years) 10 years    
Weighted average remaining lease term, finance leases (years) 2 years    
Weighted average discount rate, operating lease (as a percent) 5.30%    
Weighted average discount rate, finance lease (as a percent) 1.90%