| LEASES - Supplemental Cash Flow Disclosures (Details) - USD ($) $ in Millions | 6 Months Ended | |
|---|---|---|
| Jun. 30, 2024 | Jun. 30, 2023 | |
| Cash paid for amounts included in measurement of obligations: | ||
| Operating cash flows from operating leases | $ 448 | $ 419 | 
| Operating cash flows from finance leases | 10 | 8 | 
| Financing cash flows from finance leases | 58 | 79 | 
| Right-of-use assets obtained in exchange for lease obligations: | ||
| Operating leases | 232 | 826 | 
| Finance leases | $ 23 | $ 106 | 
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- Definition Cash Flow, Operating And Financing Activities, Lessee No definition available. 
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- Definition Right-Of-Use Asset Obtained In Exchange For Lease Liability No definition available. 
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- Definition Amount of interest paid on finance lease liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount of cash outflow for principal payment on finance lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount of increase in right-of-use asset obtained in exchange for finance lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
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- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
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