Consolidated Balance Sheet (USD $) In Millions	Sep. 30, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 1,332	$ 1,543
Receivables from customers, less allowances of $39 in 2011 and $45 in 2010	1,915	1,565
Other receivables	386	326
Inventories (F)	3,172	2,562
Prepaid expenses and other current assets	865	873
Total current assets	7,670	6,869
Properties, plants, and equipment	37,343	37,446
Less: accumulated depreciation, depletion, and amortization	17,872	17,285
Properties, plants, and equipment, net	19,471	20,161
Goodwill	5,271	5,119
Investments	1,521	1,340
Deferred income taxes	3,060	3,184
Other noncurrent assets	2,527	2,521
Assets held for sale (C)	78	99
Total assets	39,598	39,293
LIABILITIES
Short-term borrowings	57	92
Commercial paper	107
Accounts payable, trade	2,480	2,322
Accrued compensation and retirement costs	956	929
Taxes, including income taxes	510	461
Other current liabilities	1,024	1,201
Long-term debt due within one year	489	231
Total current liabilities	5,623	5,236
Long-term debt, less amount due within one year	8,658	8,842
Accrued pension benefits (O)	2,081	2,923
Accrued other postretirement benefits	2,555	2,615
Other noncurrent liabilities and deferred credits	2,373	2,560
Liabilities of operations held for sale (C)	25	31
Total liabilities	21,315	22,207
COMMITMENTS AND CONTINGENCIES (H)
EQUITY
Preferred stock	55	55
Common stock (K)	1,178	1,141
Additional capital (K)	7,545	7,087
Retained earnings	11,820	11,149
Treasury stock, at cost	(3,954)	(4,146)
Accumulated other comprehensive loss	(1,725)	(1,675)
Total Alcoa shareholders' equity	14,919	13,611
Noncontrolling interests	3,364	3,475
Total equity	18,283	17,086
Total liabilities and equity	$ 39,598	$ 39,293