BASIS OF PRESENTATION AND ACCOUNTING POLICIES - Supplemental Cash Flow Information (Details) - USD ($) $ in Millions |
1 Months Ended | 9 Months Ended | |
|---|---|---|---|
Aug. 31, 2026 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Significant Accounting Policies [Line Items] | |||
| Operating cash flows from operating leases | $ 754 | $ 716 | |
| Operating cash flows from finance leases | 36 | 12 | |
| Financing cash flows from finance leases | 128 | 93 | |
| Noncash transactions: | |||
| Pension contribution funded through debt issuance | $ 450 | 450 | 0 |
| Accrued capital expenditures | 276 | 378 | |
| Property, plant and equipment recognized during the construction period of build-to-suit financing arrangement | 98 | 64 | |
| Right-of-use assets obtained in exchange for operating lease obligations | 441 | 561 | |
| Right-of-use assets obtained in exchange for finance lease obligations | 1,086 | 472 | |
| Aircraft | |||
| Noncash transactions: | |||
| Right-of-use assets obtained in exchange for finance lease obligations | $ 643 | $ 312 | |
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- Definition Debt Instrument, Amount Issued To Fund Pension No definition available.
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- Definition Significant Accounting Policies [Line Items] No definition available.
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- Definition Future cash outflow to pay for purchases of fixed assets that have occurred. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Future cash outflow to pay for construction in progress expenditures that have occurred. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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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- References No definition available.
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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/2009/role/commonPracticeRef
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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/2009/role/commonPracticeRef
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- Details
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