Other Liabilities - Workforce Reduction and Environmental Liabilities (Details) - USD ($) $ in Millions |
3 Months Ended | |
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Dec. 31, 2020 |
Dec. 31, 2019 |
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| Other Liabilities | ||
| Total amounts accrued for workforce reductions | $ 3,151 | $ 950 |
| Charge for structural actions | 2,036 | |
| Total amounts accrued for non-ARO environmental liabilities | 266 | 270 |
| Total amounts accrued for ARO liabilities | $ 154 | $ 150 |
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- Definition It represents the amount of workforce reduction actions to improve productivity, cost competitiveness and to rebalance skills. No definition available.
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- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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