v3.22.4
Leases - Supplemental balance sheet information (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Operating leases:    
Operating lease right of use assets $ 829 $ 858
Current operating lease liabilities 261 263
Noncurrent operating lease liabilities 580 591
Total operating lease liabilities 841 854
Finance leases:    
Property and equipment, at cost 218 223
Accumulated amortization (126) (117)
Property and equipment, net $ 92 $ 106
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Property, Plant and Equipment, Net Property, Plant and Equipment, Net
Current obligations of finance leases $ 11 $ 7
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Other current liabilities Other current liabilities
Finance leases, net of current obligations $ 75 $ 93
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Other liabilities Other liabilities
Total finance lease liabilities $ 86 $ 100
Weighted average remaining lease term (in years):    
Operating leases 5 years 6 months 5 years 6 months
Finance leases 6 years 3 months 18 days 6 years 7 months 6 days
Weighted average discount rate:    
Operating leases 2.20% 1.80%
Finance leases 3.10% 3.30%