Annual report pursuant to Section 13 and 15(d)

Deferred Tax Liabilities and Assets (Detail)

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Deferred Tax Liabilities and Assets (Detail) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Schedule of Deferred Income Tax Assets and Liabilities [Line Items]    
Property, plant and equipment $ 3,607 $ 3,335
Goodwill and intangible assets 951 853
Other 554 562
Gross deferred tax liabilities 5,112 4,750
Pension and postretirement benefits 2,106 1,864
Loss and credit carryforwards (non-U.S. and state) 259 295
Insurance reserves 696 655
Vacation pay accrual 208 191
Stock compensation 211 242
Other 635 568
Gross deferred tax assets 4,115 3,815
Deferred tax assets valuation allowance (205) (207)
Net deferred tax asset 3,910 3,608
Net deferred tax liability 1,202 1,142
Amounts recognized in the consolidated balance sheets:    
Current deferred tax assets 611 659
Current deferred tax liabilities (included in other current liabilities) 31 28
Non-current deferred tax assets (included in other non-current assets) 118 97
Non-current deferred tax liabilities $ 1,900 $ 1,870