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SUPPLEMENTAL CASH FLOW & OTHER DATA (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Supplemental Cash Flow Elements [Abstract]    
Depreciation expense $ 74 $ 60
Amortization expense 27 25
Depreciation and amortization expense 101 85
Interest expense (38) (42)
Interest income 0 1
Interest expense, net (38) (41)
Interest paid 32 48
Income taxes paid 7 18
Accounts payable associated with capital expenditures 30 11
Dividends payable 82 75
Fair value of assets acquired 0 131
Fair value of liabilities assumed 0 (20)
Fair value of net assets acquired 0 111
Less: Cash acquired 0 3
Business acquisitions, net of cash acquired 0 108
Leases:    
Leased assets obtained in exchange for new operating lease liabilities $ 36 $ 32