Slicers (applies to each fact value in each table cell)

Reporting Entity [Axis]

0000007084 (http://www.sec.gov/CIK)

Income Tax Disclosure [Abstract]	Period [Axis]
	2016-01-01 - 2016-12-31
Income Tax Disclosure [Abstract]
Components Of Earnings Before Income Taxes by Geographic Region	The following table sets forth the geographic split of earnings before income taxes:   Year Ended (In millions) December 31   2016   2015   2014             United States $ 1,215   $ 1,155   $ 2,224 Foreign 607   1,129   906   $ 1,822   $ 2,284   $ 3,130
Significant Components Of Income Taxes	Significant components of income taxes are as follows:   Year Ended (In millions) December 31   2016   2015   2014             Current           Federal $ 327   $ 270   $ 641 State 5   17   57 Foreign 146   158   235 Deferred           Federal 18   17   (29 ) State 28   9   28 Foreign 10   (33 )   (55 )   $ 534   $ 438   $ 877
Significant Components Of Deferred Tax Liabilities And Assets	Significant components of deferred tax liabilities and assets are as follows:   December 31, 2016   December 31, 2015   (In millions) Deferred tax liabilities       Property, plant, and equipment $ 1,612   $ 1,651 Equity in earnings of affiliates 361   306 Debt exchange 132   133 Inventories 41   18 Other 105   109   $ 2,251   $ 2,217 Deferred tax assets       Pension and postretirement benefits $ 307   $ 374 Stock compensation 81   70 Foreign tax credit carryforwards 95   90 Foreign tax loss carryforwards 278   301 Capital loss carryforwards 57   22 State tax attributes 62   62 Unrealized foreign currency losses 58   71 Reserves and other accruals —   26 Other 18   125 Gross deferred tax assets 956   1,141 Valuation allowances (216 )   (302 ) Net deferred tax assets $ 740   $ 839         Net deferred tax liabilities $ 1,511   $ 1,378         The net deferred tax liabilities are classified as follows:       Noncurrent assets (foreign) $ 158   $ 185 Noncurrent liabilities (1,472 )   (1,394 ) Noncurrent liabilities (foreign) (197 )   (169 )   $ (1,511 )   $ (1,378 )
Reconciliation Of The Statutory Federal Income Tax Rate To The Company's Effective Tax Rate On Earnings	Reconciliation of the statutory federal income tax rate to the Company’s effective income tax rate on earnings is as follows:     Year Ended   December 31   2016   2015   2014             Statutory rate 35.0  %   35.0  %   35.0  % State income taxes, net of federal tax benefit 1.4   0.8   2.1 Foreign earnings taxed at rates other than the U.S. statutory rate (4.4 )   (9.9 )   (4.8 ) Foreign currency effects/remeasurement 2.2   (1.8 )   0.1 Income tax adjustment to filed returns 0.8   1.9   (2.5 ) Tax benefit on U.S. biodiesel credits (3.3 )   (1.6 )   (1.1 ) Tax benefit on U.S. qualified production activity deduction (1.4 )   (1.8 )   (1.8 ) Valuation allowances 0.6   (3.1 )   — Other (1.6 )   (0.3 )   1.0 Effective income tax rate 29.3  %   19.2  %   28.0  %
Unrecognized Tax Benefits	The following table sets forth a rollforward of activity of unrecognized tax benefits for the year ended December 31, 2016 and 2015 as follows:     Unrecognized Tax Benefits   December 31, 2016   December 31, 2015   (In millions) Beginning balance $ 49   $ 72 Additions related to current year’s tax positions 1   1 Additions related to prior years’ tax positions 16   17 Additions related to acquisitions —   7 Reductions related to prior years’ tax positions —   (19 ) Reductions related to lapse of statute of limitations (1 )   (6 ) Settlements with tax authorities (10 )   (23 ) Ending balance $ 55   $ 49