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

Reporting Entity [Axis]

0000010795 (http://www.sec.gov/CIK)

Income Tax Disclosure [Abstract]	Period [Axis]
	2015-10-01 - 2016-09-30
Income Tax Disclosure [Abstract]
Provision for Income Taxes from Continuing Operations	The provision for income taxes the years ended September 30 consisted of: (Millions of dollars) 2016   2015   2014 Current:           Federal $ 312   $ 50   $ 225 State and local, including Puerto Rico 17   15   (11 ) Foreign 286   252   217   $ 616   $ 318   $ 431 Deferred:           Domestic $ (441 )   $ (238 )   $ (59 ) Foreign (78 )   (37 )   (35 )   (519 )   (274 )   (94 ) Income tax provision $ 97   $ 44   $ 337
Components of Income from Continuing Operations Before Income Taxes	The components of Income Before Income Taxes for the years ended September 30 consisted of: (Millions of dollars) 2016   2015   2014 Domestic, including Puerto Rico $ (232 )   $ (408 )   $ 532 Foreign 1,306   1,147   990 Income Before Income Taxes $ 1,074   $ 739   $ 1,522
Summary of Gross Amounts of Unrecognized Tax Benefits	The table below summarizes the gross amounts of unrecognized tax benefits without regard to reduction in tax liabilities or additions to deferred tax assets and liabilities if such unrecognized tax benefits were settled. The Company believes it is reasonably possible that certain audits will close within the next twelve months but no significant increases or decreases in the amount of the unrecognized tax benefits are expected to result. (Millions of dollars) 2016   2015   2014 Balance at October 1 $ 575   $ 197   $ 146 Increase due to acquisitions —   314   — Increase due to current year tax positions 73   58   51 Increase due to prior year tax positions 28   17   9 Decreases due to prior year tax positions (28 )   —   — Decrease due to settlements and lapse of statute of limitations (191 )   (11 )   (9 ) Balance at September 30 $ 457   $ 575   $ 197
Deferred Income Taxes	Deferred income taxes at September 30 consisted of:   2016   2015 (Millions of dollars) Assets   Liabilities   Assets   Liabilities Compensation and benefits $ 720   $ —   $ 647   $ — Property and equipment —   235   —   156 Intangibles —   1,493   —   2,033 Loss and credit carryforwards 1,101   —   538   — Other 720   607   634   606   2,541   2,336   1,819   2,795 Valuation allowance (997 )   —   (452 )   — Net (A) $ 1,544   $ 2,336   $ 1,367   $ 2,795 (A)Net deferred tax assets are included in Other Assets and net deferred tax liabilities are included in Deferred Income Taxes and Other.
Reconciliation of Federal Statutory Tax Rate to Company's Effective Tax Rate	A reconciliation of the federal statutory tax rate to the Company’s effective income tax rate was as follows:   2016   2015   2014 Federal statutory tax rate 35.0  %   35.0  %   35.0  % State and local income taxes, net of federal tax benefit 1.5   (3.6 )   (0.5 ) Effect of foreign and Puerto Rico earnings and foreign tax credits (23.7 )   (24.5 )   (11.2 ) Effect of Research Credits and Domestic Production Activities (4.4 )   (1.6 )   (1.1 ) Other, net 0.7   0.6   (0.1 ) Effective income tax rate 9.1  %   5.9  %   22.1  %