Working Capital Detail



($ in millions)		2016		2015
Receivables
	Trade - net⁽¹⁾	$	2,324	$	2,343
	Equity affiliates	3		4
	Other - net	365		362
	Total	$	2,692	$	2,709
Inventories⁽²⁾
	Finished products	$	969	$	1,055
	Work in process	165		161
	Raw materials	375		402
	Supplies	37		41
	Total	$	1,546	$	1,659
Accounts payable and accrued liabilities
	Trade	$	1,940	$	1,886
	Accrued payroll	447		466
	Customer rebates	235		232
	Other postretirement and pension benefits	124		131
	Income taxes	93		106
	Other	671		598
	Total	$	3,510	$	3,419


(1)	Allowance for Doubtful Accounts was $39 million and $46 million as of December 31, 2016 and 2015, respectively.

(2)

Inventories valued using the LIFO method of inventory valuation comprised 37% and 41% of total gross inventory values as of December 31, 2016 and 2015, respectively. If the FIFO method of inventory valuation had been used, inventories would have been $120 million and $144 million higher as of December 31, 2016 and 2015, respectively. During the years ended December 31, 2016 and 2015, certain inventories accounted for on the LIFO method of accounting were reduced, which resulted in the liquidation of certain quantities carried at costs prevailing in prior years. The effect on income from continuing operations was expense of $2 million and income of $3 million for the years ended December 31, 2016 and 2015, respectively.