LEASES - Lease assets and liabilities (Details) - USD ($) $ in Millions |
Dec. 31, 2020 |
Dec. 31, 2019 |
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| LEASES | ||
| Operating lease right-of-use assets, net | $ 4,451.5 | $ 4,796.0 |
| Finance lease right-of-use assets | 62.2 | 73.4 |
| Operating Lease, Liability, Current | 583.6 | 585.8 |
| Finance Lease, Liability, Current | 12.9 | 10.3 |
| Operating Lease, Liability, Noncurrent | 4,957.8 | 4,913.8 |
| Finance Lease, Liability, Noncurrent | $ 83.1 | $ 89.6 |
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- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after accumulated amortization, of right-of-use asset from finance lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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