Quarterly report pursuant to Section 13 or 15(d)

LEASES - Supplemental Balance Sheet (Details)

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LEASES - Supplemental Balance Sheet (Details) - USD ($)
Mar. 31, 2022
Dec. 31, 2021
Operating Leases:    
Operating lease right-of-use assets $ 3,481,000,000 $ 3,562,000,000
Current maturities of operating leases 579,000,000 580,000,000
Non-current operating leases 2,970,000,000 3,033,000,000
Total lease obligations 3,549,000,000 3,613,000,000
Finance Leases:    
Property, plant and equipment, net $ 1,134,000,000 $ 1,225,000,000
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Current maturities of long-term debt, commercial paper and finance leases Current maturities of long-term debt, commercial paper and finance leases
Current maturities of long-term debt, commercial paper and finance leases $ 140,000,000 $ 129,000,000
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Long-term Debt, Excluding Current Maturities Long-term Debt, Excluding Current Maturities
Long-term debt and finance leases $ 308,000,000 $ 279,000,000
Total lease obligations $ 448,000,000 $ 408,000,000
Weighted average remaining lease term (in years):    
Operating leases 11 years 6 months 11 years 8 months 12 days
Finance leases 7 years 7 months 6 days 8 years
Weighted average discount rate:    
Operating leases 1.95% 1.94%
Finance leases 2.71% 2.79%