v3.3.1.900
Accounts Receivable and Inventory (Details) - USD ($)
$ in Millions
Dec. 31, 2015
Dec. 31, 2014
Accounts Receivable and Inventory [Abstract]    
Allowance for doubtful accounts receivable $ 50 $ 60
Percentage of inventory at FIFO accounted for using the LIFO method 43.00% 41.00%
Inventory Disclosure [Abstract]    
Raw materials $ 885 $ 924
Work-in-process 412 422
Finished goods 1,131 1,201
Inventory at FIFO 2,428 2,547
Excess of Replacement or Current Costs over Stated LIFO Value (105) (119)
Total inventory $ 2,323 $ 2,428