Condensed Consolidated Balance Sheets (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Current Assets
Cash and cash equivalents	$ 350	$ 291
Restricted cash ($35 and $38 related to energy recovery bonds at June 30, 2011 and December 31, 2010, respectively)	367	563
Accounts receivable
Customers (net of allowance for doubtful accounts of $79 and $81 at June 30, 2011 and December 31, 2010, respectively)	894	944
Accrued unbilled revenue	691	649
Regulatory balancing accounts	1,490	1,105
Other	864	794
Regulatory assets	644	599
Inventories
Gas stored underground and fuel oil	143	152
Materials and supplies	213	205
Income taxes receivable	175	47
Other	291	193
Total current assets	6,122	5,542
Property, Plant, and Equipment
Electric	34,454	33,508
Gas	11,675	11,382
Construction work in progress	1,547	1,384
Other	15	15
Total property, plant, and equipment	47,691	46,289
Accumulated depreciation	(15,564)	(14,840)
Net property, plant, and equipment	32,127	31,449
Other Noncurrent Assets
Regulatory assets ($550 and $735 related to energy recovery bonds at June 30, 2011 and December 31, 2010, respectively)	5,905	5,846
Nuclear decommissioning trusts	2,069	2,009
Income taxes receivable	489	565
Other	606	614
Total other noncurrent assets	9,069	9,034
TOTAL ASSETS	47,318	46,025
Current Liabilities
Short-term borrowings	1,210	853
Long-term debt, classified as current	50	809
Energy recovery bonds, classified as current	413	404
Accounts payable
Trade creditors	1,103	1,129
Disputed claims and customer refunds	674	745
Regulatory balancing accounts	529	256
Other	426	379
Interest payable	827	862
Income taxes payable	149	77
Deferred income taxes	134	113
Other	1,507	1,558
Total current liabilities	7,022	7,185
Noncurrent Liabilities
Long-term debt	11,466	10,906
Energy recovery bonds	223	423
Regulatory liabilities	4,654	4,525
Pension and other postretirement benefits	2,317	2,234
Asset retirement obligations	1,582	1,586
Deferred income taxes	5,945	5,547
Other	2,068	2,085
Total noncurrent liabilities	28,255	27,306
Commitments and Contingencies (Note 10)
Shareholders' Equity
Preferred stock
Common stock	7,171	6,878
Reinvested earnings	4,802	4,606
Accumulated other comprehensive loss	(184)	(202)
Total shareholders' equity	11,789	11,282
Noncontrolling Interest - Preferred Stock of Subsidiary	252	252
Total equity	12,041	11,534
TOTAL LIABILITIES AND EQUITY	47,318	46,025
Pacific Gas and Electric Company [Member]
Current Assets
Cash and cash equivalents	110	51
Restricted cash ($35 and $38 related to energy recovery bonds at June 30, 2011 and December 31, 2010, respectively)	367	563
Accounts receivable
Customers (net of allowance for doubtful accounts of $79 and $81 at June 30, 2011 and December 31, 2010, respectively)	894	944
Accrued unbilled revenue	691	649
Regulatory balancing accounts	1,490	1,105
Other	864	856
Regulatory assets	644	599
Inventories
Gas stored underground and fuel oil	143	152
Materials and supplies	213	205
Income taxes receivable	233	48
Other	285	190
Total current assets	5,934	5,362
Property, Plant, and Equipment
Electric	34,454	33,508
Gas	11,675	11,382
Construction work in progress	1,547	1,384
Total property, plant, and equipment	47,676	46,274
Accumulated depreciation	(15,550)	(14,826)
Net property, plant, and equipment	32,126	31,448
Other Noncurrent Assets
Regulatory assets ($550 and $735 related to energy recovery bonds at June 30, 2011 and December 31, 2010, respectively)	5,905	5,846
Nuclear decommissioning trusts	2,069	2,009
Income taxes receivable	487	614
Other	338	400
Total other noncurrent assets	8,799	8,869
TOTAL ASSETS	46,859	45,679
Current Liabilities
Short-term borrowings	1,135	853
Long-term debt, classified as current	50	809
Energy recovery bonds, classified as current	413	404
Accounts payable
Trade creditors	1,103	1,129
Disputed claims and customer refunds	674	745
Regulatory balancing accounts	529	256
Other	434	390
Interest payable	823	857
Income taxes payable	158	116
Deferred income taxes	142	118
Other	1,307	1,349
Total current liabilities	6,768	7,026
Noncurrent Liabilities
Long-term debt	11,117	10,557
Energy recovery bonds	223	423
Regulatory liabilities	4,654	4,525
Pension and other postretirement benefits	2,255	2,174
Asset retirement obligations	1,582	1,586
Deferred income taxes	6,068	5,659
Other	2,003	2,008
Total noncurrent liabilities	27,902	26,932
Commitments and Contingencies (Note 10)
Shareholders' Equity
Preferred stock	258	258
Common stock	1,322	1,322
Additional paid-in capital	3,496	3,241
Reinvested earnings	7,290	7,095
Accumulated other comprehensive loss	(177)	(195)
Total shareholders' equity	12,189	11,721
TOTAL LIABILITIES AND EQUITY	$ 46,859	$ 45,679