XML 66 R49.htm IDEA: XBRL DOCUMENT v3.8.0.1
Summary Of Significant Accounting Policies (Details) - USD ($)
$ in Millions
12 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Summary Of Accounting Policies [Line Items]    
Investments in publicly traded companies carried at fair value if ownership is less than percent threshold 20.00%  
Investments in nonpublicly traded companies carried at cost if ownership is less than percent threshold 20.00%  
Finished products $ 560 $ 382
Raw materials and work in process 1,136 826
Total inventories 1,696 1,208
Land 295 210
Buildings 2,043 1,867
Machinery and equipment 5,175 4,932
Construction in progress 360 318
Property, plant and equipment, at cost 7,873 7,327
Less: Accumulated depreciation 4,552 4,396
Property, plant and equipment, net $ 3,321 $ 2,931
Percentage of revenue from multiple deliverable arrangements 5.00%  
Percentage of revenue from percentage-of-completion accounting method 10.00%  
Collateral balance posted $ 0  
Collateral held from counterparties 0  
Collateral balance could have been required to post 4  
Undistributed earnings of non-U.S. subsidiaries $ 4,900  
Minimum [Member]    
Summary Of Accounting Policies [Line Items]    
Investments accounted for by the equity method if ownership percentage is less than/greater than percent threshold 20.00%  
Warranty period (in years) 1 year  
Maximum [Member]    
Summary Of Accounting Policies [Line Items]    
Investments accounted for by the equity method if ownership percentage is less than/greater than percent threshold 50.00%  
Warranty period (in years) 2 years  
Percentage of product warranty expenses of sales 1.00%  
General duration of hedge positions is equal to or less than (in years) 2 years  
Building [Member] | Minimum [Member]    
Summary Of Accounting Policies [Line Items]    
Property, plant and equipment, useful life 30 years  
Building [Member] | Maximum [Member]    
Summary Of Accounting Policies [Line Items]    
Property, plant and equipment, useful life 40 years  
Machinery and Equipment [Member] | Minimum [Member]    
Summary Of Accounting Policies [Line Items]    
Property, plant and equipment, useful life 8 years  
Machinery and Equipment [Member] | Maximum [Member]    
Summary Of Accounting Policies [Line Items]    
Property, plant and equipment, useful life 12 years