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

Reporting Entity [Axis]

0000106640 (http://www.sec.gov/CIK)

Income Tax Disclosure [Abstract]	Period [Axis]
	2016-01-01 - 2016-12-31
Income Tax Disclosure [Abstract]
Schedule of Effective Income Tax Rate Reconciliation	The following table summarizes the difference between income tax expense at the United States statutory rate of 35% and the income tax expense at effective worldwide tax rates for the respective periods: Millions of dollars   2016   2015   2014 Earnings before income taxes             United States   $ 605   $ 555   $ 325 Foreign   509   476   556 Earnings before income taxes   1,114   1,031   881               Income tax computed at United States statutory rate   390   361   308 U.S. government tax incentives   (9 )   (13 )   (10 ) Foreign government tax incentives, including BEFIEX   (11 )   (19 )   (46 ) Foreign tax rate differential   (50 )   (36 )   (17 ) U.S. foreign tax credits   (86 )   (103 )   (148 ) Valuation allowances   (121 )   (95 )   9 State and local taxes, net of federal tax benefit   20   18   5 Foreign withholding taxes   36   16   16 U.S. tax on foreign dividends and subpart F income   63   57   56 Settlement of global tax audits   (40 )   16   (5 ) Changes in enacted tax rates   32   —   — Other items, net   (38 )   7   21 Income tax computed at effective worldwide tax rates   $ 186   $ 209   $ 189
Schedule of Components of Income Tax Expense (Benefit)	The following table summarizes our income tax (benefit) provision for 2016, 2015 and 2014:     2016   2015   2014 Millions of dollars   Current   Deferred   Current   Deferred   Current   Deferred United States   $ 34   $ 120   $ 98   $ 55   $ 7   $ 8 Foreign   167   (154 )   181   (143 )   182   12 State and local   7   12   10   8   (2 )   (18 )     $ 208   $ (22 )   $ 289   $ (80 )   $ 187   $ 2 Total income tax expense       $ 186       $ 209       $ 189
Schedule of Deferred Tax Assets and Liabilities	The following table summarizes the significant components of our deferred tax liabilities and assets at December 31, 2016 and 2015: Millions of dollars   2016   2015 Deferred tax liabilities         Intangibles   $ 765   $ 770 Property, net   199   175 LIFO inventory   59   57 Other   156   214 Total deferred tax liabilities   1,179   1,216 Deferred tax assets         U.S. general business credit carryforwards, including Energy Tax Credits   964   1,010 Pensions   322   315 Loss carryforwards   668   683 Postretirement obligations   144   168 Foreign tax credit carryforwards   310   253 Research and development capitalization   273   306 Employee payroll and benefits   111   164 Accrued expenses   106   133 Product warranty accrual   64   64 Receivable and inventory allowances   59   106 Other   344   353 Total deferred tax assets   3,365   3,555 Valuation allowances for deferred tax assets   (150 )   (286 ) Deferred tax assets, net of valuation allowances   3,215   3,269 Net deferred tax assets   $ 2,036   $ 2,053
Reconciliation of Unrecognized Tax Benefits	The following table represents a reconciliation of the beginning and ending amount of unrecognized tax benefits that if recognized would impact the effective tax rate, excluding federal benefits of state and local tax positions, and interest and penalties: Millions of dollars   2016   2015   2014 Balance, January 1   $ 143   $ 141   $ 113 Additions for tax positions of the current year   14   12   17 Additions for tax positions of prior years   1   27   4 Reductions for tax positions of prior years   (33 )   (25 )   (23 ) Settlements during the period   (20 )   (5 )   (11 ) Positions assumed in acquisitions   —   —   42 Lapses of applicable statute of limitation   (3 )   (7 )   (1 ) Balance, December 31   $ 102   $ 143   $ 141