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LEASES AND OTHER COMMITMENTS (Supplemental Balance Sheet Information Schedule) (Details)
$ in Millions
Dec. 31, 2019
USD ($)
Operating leases  
Operating lease - right-of-use assets $ 303
Operating lease - current lease liabilities 61
Operating lease - non-current lease liabilities 282
Total operating lease liabilities 343
Finance leases  
Finance lease - right-of-use assets 14
Finance lease - current lease liabilities 2
Finance lease - non-current lease liabilities 12
Total finance lease liabilities $ 14