INCOME TAXES - Deferred Tax Liabilities and Assets (Detail) - USD ($) $ in Millions |
Dec. 31, 2017 |
Dec. 31, 2016 |
|---|---|---|
| Income Tax Disclosure [Abstract] | ||
| Fixed assets and capitalized software | $ (3,288) | $ (4,782) |
| Other | (535) | (756) |
| Deferred tax liabilities | (3,823) | (5,538) |
| Pension and postretirement benefits | 1,877 | 4,236 |
| Loss and credit carryforwards | 323 | 229 |
| Insurance reserves | 449 | 733 |
| Stock compensation | 182 | 297 |
| Other | 626 | 681 |
| Deferred tax assets | 3,457 | 6,176 |
| Deferred tax assets valuation allowance | (126) | (159) |
| Deferred tax asset (net of valuation allowance) | 3,331 | 6,017 |
| Net deferred tax asset (liability) | (492) | 479 |
| Amounts recognized in the consolidated balance sheets: | ||
| Deferred tax assets | 265 | 591 |
| Deferred tax liabilities | (757) | (112) |
| Net deferred tax asset (liability) | $ (492) | $ 479 |
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- Definition Deferred Tax Asset And Liabilities Amounts Recognized In Balance Sheet [Abstract] No definition available.
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- Definition Deferred Tax Assets Operating Loss And Tax Credit Carry forwards Foreign No definition available.
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- Definition Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pension And Postretirement Benefits No definition available.
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- Definition Deferred Tax Liabilities, Gross No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from estimated losses under self insurance. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences classified as other. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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