v3.3.1.900

Income Taxes Components of current and long-term deferred income taxes (Details) - USD ($) $ in Millions | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Current assets and liabilities [Member] |  |
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals [Abstract] |  |
Employee benefits |  | $ 148
Depreciation and amortization |  | 0
Other accruals and adjustments |  | 476
Deferred Tax Assets, Net, Classification [Abstract] |  |
United States federal income tax loss carryforwards |  | 0
United States federal income tax credit carryforward |  | 0
United States state and local tax loss carryforwards and tax credit carryforwards |  | 0
Other foreign tax loss carryforward |  | 0
Other foreign income tax credit carryforwards |  | 0
Valuation allowance for income tax loss and income tax credit carryforwards |  | (24)
Other valuation allowance |  | (7)
Total deferred income taxes |  | 593
Long-term assets and liabilities [Member] |  |
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals [Abstract] |  |
Employee benefits | $ 808 | 773
Depreciation and amortization | (1,824) | (2,010)
Other accruals and adjustments | 717 | 282
Deferred Tax Assets, Net, Classification [Abstract] |  |
United States federal income tax loss carryforwards | 20 | 58
United States federal income tax credit carryforward | 183 | 150
United States state and local tax loss carryforwards and tax credit carryforwards | 63 | 76
Other foreign tax loss carryforward | 2,265 | 2,112
Other foreign income tax credit carryforwards | 70 | 49
Valuation allowance for income tax loss and income tax credit carryforwards | (2,315) | (2,134)
Other valuation allowance | (15) | (29)
Deferred Tax Liabilities, Net | $ (28) | $ (673)

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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, before jurisdictional netting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition The tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from employee benefit costs not otherwise specified in the taxonomy, which can only be deducted for tax purposes when actual costs are incurred, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51675352&loc=d3e28680-109314 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from other reserves not separately disclosed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51675352&loc=d3e28680-109314 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 + Details
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