Condensed Consolidated Balance Sheets (USD $) In Millions	Sep. 30, 2011	Dec. 31, 2010
Current Assets
Cash and cash equivalents	$ 277	$ 291
Restricted cash ($39 and $38 related to energy recovery bonds at September 30, 2011 and December 31, 2010, respectively)	393	563
Accounts receivable
Customers (net of allowance for doubtful accounts of $85 and $81 at September 30, 2011 and December 31, 2010, respectively)	1,011	944
Accrued unbilled revenue	737	649
Regulatory balancing accounts	1,063	1,105
Other	820	794
Regulatory assets	680	599
Inventories
Gas stored underground and fuel oil	198	152
Materials and supplies	219	205
Income taxes receivable	148	47
Other	331	193
Total current assets	5,877	5,542
Property, Plant, and Equipment
Electric	35,120	33,508
Gas	11,700	11,382
Construction work in progress	1,623	1,384
Other	15	15
Total property, plant, and equipment	48,458	46,289
Accumulated depreciation	(15,626)	(14,840)
Net property, plant, and equipment	32,832	31,449
Other Noncurrent Assets
Regulatory assets ($435 and $735 related to energy recovery bonds at September 30, 2011 and December 31, 2010, respectively)	5,714	5,846
Nuclear decommissioning trusts	1,964	2,009
Income taxes receivable	457	565
Other	673	614
Total other noncurrent assets	8,808	9,034
TOTAL ASSETS	47,517	46,025
Current Liabilities
Short-term borrowings	1,137	853
Long-term debt, classified as current	50	809
Energy recovery bonds, classified as current	418	404
Accounts payable
Trade creditors	1,154	1,129
Disputed claims and customer refunds	673	745
Regulatory balancing accounts	421	256
Other	380	379
Interest payable	789	862
Income taxes payable	107	77
Deferred income taxes		113
Other	1,689	1,558
Total current liabilities	6,818	7,185
Noncurrent Liabilities
Long-term debt	11,516	10,906
Energy recovery bonds	110	423
Regulatory liabilities	4,596	4,525
Pension and other postretirement benefits	2,343	2,234
Asset retirement obligations	1,591	1,586
Deferred income taxes	6,212	5,547
Other	2,120	2,085
Total noncurrent liabilities	28,488	27,306
Commitments and Contingencies (Note 10)
Shareholders' Equity
Preferred stock
Common stock	7,318	6,878
Reinvested earnings	4,817	4,606
Accumulated other comprehensive loss	(176)	(202)
Total shareholders' equity	11,959	11,282
Noncontrolling Interest - Preferred Stock of Subsidiary	252	252
Total equity	12,211	11,534
TOTAL LIABILITIES AND EQUITY	47,517	46,025
Pacific Gas And Electric Company [Member]
Current Assets
Cash and cash equivalents	53	51
Restricted cash ($39 and $38 related to energy recovery bonds at September 30, 2011 and December 31, 2010, respectively)	393	563
Accounts receivable
Customers (net of allowance for doubtful accounts of $85 and $81 at September 30, 2011 and December 31, 2010, respectively)	1,011	944
Accrued unbilled revenue	737	649
Regulatory balancing accounts	1,063	1,105
Other	821	856
Regulatory assets	680	599
Inventories
Gas stored underground and fuel oil	198	152
Materials and supplies	219	205
Income taxes receivable	203	48
Other	316	190
Total current assets	5,694	5,362
Property, Plant, and Equipment
Electric	35,120	33,508
Gas	11,700	11,382
Construction work in progress	1,623	1,384
Total property, plant, and equipment	48,443	46,274
Accumulated depreciation	(15,612)	(14,826)
Net property, plant, and equipment	32,831	31,448
Other Noncurrent Assets
Regulatory assets ($435 and $735 related to energy recovery bonds at September 30, 2011 and December 31, 2010, respectively)	5,714	5,846
Nuclear decommissioning trusts	1,964	2,009
Income taxes receivable	456	614
Other	338	400
Total other noncurrent assets	8,472	8,869
TOTAL ASSETS	46,997	45,679
Current Liabilities
Short-term borrowings	1,062	853
Long-term debt, classified as current	50	809
Energy recovery bonds, classified as current	418	404
Accounts payable
Trade creditors	1,154	1,129
Disputed claims and customer refunds	673	745
Regulatory balancing accounts	421	256
Other	395	390
Interest payable	779	857
Income taxes payable	115	116
Deferred income taxes		118
Other	1,483	1,349
Total current liabilities	6,550	7,026
Noncurrent Liabilities
Long-term debt	11,167	10,557
Energy recovery bonds	110	423
Regulatory liabilities	4,596	4,525
Pension and other postretirement benefits	2,280	2,174
Asset retirement obligations	1,591	1,586
Deferred income taxes	6,341	5,659
Other	2,055	2,008
Total noncurrent liabilities	28,140	26,932
Commitments and Contingencies (Note 10)
Shareholders' Equity
Preferred stock	258	258
Common stock	1,322	1,322
Additional paid-in capital	3,592	3,241
Reinvested earnings	7,304	7,095
Accumulated other comprehensive loss	(169)	(195)
Total shareholders' equity	12,307	11,721
TOTAL LIABILITIES AND EQUITY	$ 46,997	$ 45,679