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LEASES - Components of Lease Expense (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Lessee, Lease, Description [Line Items]      
Operating lease costs $ 71 $ 60 $ 49
Amortization of right-of-use assets 14 15 17
Interest on lease liabilities 4 5 6
Total finance lease cost 18 20 23
Total lease cost 89 80 72
Short-term lease costs 21 17 13
Cash paid for amounts included in the measurement of lease liabilities:      
Operating cash flows from operating leases 64 44 29
Operating cash flows from finance leases 4 4 5
Finance cash flows from finance leases 13 15 25
Right-of-use assets obtained in exchange for lease obligations:      
Operating leases 60 67 83
Finance leases 5 0 3
Vehicles      
Lessee, Lease, Description [Line Items]      
Operating lease costs 44 35 28
Amortization of right-of-use assets 12 14 15
Interest on lease liabilities 1 2 3
Total finance lease cost 13 16 18
Total lease cost 57 51 46
Buildings      
Lessee, Lease, Description [Line Items]      
Operating lease costs 9 8 9
Amortization of right-of-use assets 1 0 1
Interest on lease liabilities 3 3 3
Total finance lease cost 4 3 4
Total lease cost 13 11 13
Other      
Lessee, Lease, Description [Line Items]      
Operating lease costs 18 17 12
Amortization of right-of-use assets 1 1 1
Interest on lease liabilities 0 0 0
Total finance lease cost 1 1 1
Total lease cost $ 19 $ 18 $ 13