CONSOLIDATED BALANCE SHEETS (USD $) In Millions	Sep. 30, 2011	Dec. 31, 2010
Current Assets
Cash and cash equivalents	$ 1,235	$ 1,075
Accounts receivable-trade	104	170
Receivables from affiliates	6	192
Inventory	251	236
Derivative assets	32	46
Restricted cash	15	2
Margin and collateral deposits	44	59
Prepaid expenses and other	196	79
Total current assets	1,883	1,859
Investments in Unconsolidated Affiliates	568	557
Property, Plant and Equipment, less accumulated depreciation of $1,973 and $1,759 at respective dates	5,503	5,332
Other Assets
Deferred financing costs	67	54
Long-term derivative assets	59	70
Restricted deposits	41	44
Rent payments in excess of levelized rent expense under plant operating leases	1,320	1,187
Other long-term assets	159	218
Total other assets	1,646	1,573
Total Assets	9,600	9,321
Current Liabilities
Accounts payable	91	90
Payables to affiliates	77	18
Accrued liabilities	143	201
Derivative liabilities	3	6
Interest payable	104	31
Deferred taxes	22	34
Current portion of long-term debt	51	48
Short-term debt		96
Total current liabilities	491	524
Long-term debt net of current portion	4,575	4,342
Deferred taxes and tax credits	572	836
Deferred revenues	537	160
Long-term derivative liabilities	80	19
Other long-term liabilities	611	619
Total Liabilities	6,866	6,500
Commitments and Contingencies (Notes 5, 6, 9 and 10)
Equity
Common stock, par value $0.01 per share (10,000 shares authorized; 100 shares issued and outstanding at each date)	64	64
Additional paid-in capital	1,326	1,336
Retained earnings	1,426	1,448
Accumulated other comprehensive loss	(84)	(31)
Total Edison Mission Energy common shareholder's equity	2,732	2,817
Noncontrolling Interests	2	4
Total Equity	2,734	2,821
Total Liabilities and Equity	$ 9,600	$ 9,321