Consolidated Balance Sheets (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 1,021	$ 470
Trade receivables, net	1,095	1,225
Income taxes receivable	134	396
Inventories	613	585
Derivative contracts	57	131
Investments and restricted cash and investments	52	44
Other current assets	385	437
Total current assets	3,357	3,288
Property, plant and equipment, net	32,744	31,899
Goodwill	5,035	5,025
Investments and restricted cash and investments	1,447	1,881
Regulatory assets	2,459	2,497
Derivative contracts	10	13
Other assets	1,089	1,065
Total assets	46,141	45,668
Current liabilities:
Accounts payable	802	827
Accrued employee expenses	213	159
Accrued interest	351	341
Accrued property, income and other taxes	328	287
Derivative contracts	109	158
Short-term debt	0	320
Current portion of long-term debt	843	1,286
Other current liabilities	530	424
Total current liabilities	3,176	3,802
Regulatory liabilities	1,681	1,664
Derivative contracts	354	458
MEHC senior debt	5,371	5,371
MEHC subordinated debt	151	172
Subsidiary debt	13,538	12,662
Deferred income taxes	6,412	6,298
Other long-term liabilities	1,671	1,833
Total liabilities	32,354	32,260
Commitments and contingencies (Note 12)
MEHC shareholders' equity:
Common stock - 115 shares authorized, no par value, 75 shares issued and outstanding	0	0
Additional paid-in capital	5,423	5,427
Retained earnings	8,546	7,979
Accumulated other comprehensive loss, net	(355)	(174)
Total MEHC shareholders' equity	13,614	13,232
Noncontrolling interests	173	176
Total equity	13,787	13,408
Total liabilities and equity	$ 46,141	$ 45,668