Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Current Assets
Cash and cash equivalents	$ 189	$ 123
Restricted cash	235	234
Accounts receivable
Customers (net of allowance for doubtful accounts of $53 and $54 at respective dates)	1,039	1,106
Accrued unbilled revenue	957	855
Regulatory balancing accounts	1,697	1,760
Other	567	286
Regulatory assets	464	517
Inventories
Gas stored underground and fuel oil	123	126
Materials and supplies	346	313
Income taxes receivable	234	155
Other	284	338
Total current assets	6,135	5,813
Property, Plant, and Equipment
Electric	50,872	48,532
Gas	17,123	16,749
Construction work in progress	2,096	2,059
Other	2	2
Total property, plant, and equipment	70,093	67,342
Accumulated depreciation	(21,496)	(20,619)
Net property, plant, and equipment	48,597	46,723
Other Noncurrent Assets
Regulatory assets	7,315	7,029
Nuclear decommissioning trusts	2,546	2,470
Income taxes receivable	147	135
Other	1,187	1,064
Total other noncurrent assets	11,195	10,698
TOTAL ASSETS	65,927	63,234
Current Liabilities
Short-term borrowings	1,529	1,019
Long-term debt, classified as current	160	160
Accounts payable
Trade creditors	1,313	1,414
Regulatory balancing accounts	654	715
Other	527	398
Disputed claims and customer refunds	461	454
Interest payable	214	206
Other	1,793	1,997
Total current liabilities	6,651	6,363
Noncurrent Liabilities
Long-term debt	16,525	15,925
Regulatory liabilities	6,547	6,321
Pension and other postretirement benefits	2,631	2,622
Asset retirement obligations	4,612	3,643
Deferred income taxes	9,556	9,206
Other	2,407	2,326
Total noncurrent liabilities	42,278	40,043
Commitments and Contingencies (Note 9)
Shareholders' Equity
Common stock	11,616	11,282
Reinvested earnings	5,137	5,301
Accumulated other comprehensive income (loss)	(7)	(7)
Total shareholders' equity	16,746	16,576
Noncontrolling Interest - Preferred Stock of Subsidiary	252	252
Total equity	16,998	16,828
TOTAL LIABILITIES AND EQUITY	65,927	63,234
Pacific Gas And Electric Company [Member]
Current Assets
Cash and cash equivalents	120	59
Restricted cash	235	234
Accounts receivable
Customers (net of allowance for doubtful accounts of $53 and $54 at respective dates)	1,039	1,106
Accrued unbilled revenue	957	855
Regulatory balancing accounts	1,697	1,760
Other	566	284
Regulatory assets	464	517
Inventories
Gas stored underground and fuel oil	123	126
Materials and supplies	346	313
Income taxes receivable	208	130
Other	283	338
Total current assets	6,038	5,722
Property, Plant, and Equipment
Electric	50,872	48,532
Gas	17,123	16,749
Construction work in progress	2,096	2,059
Total property, plant, and equipment	70,091	67,340
Accumulated depreciation	(21,494)	(20,617)
Net property, plant, and equipment	48,597	46,723
Other Noncurrent Assets
Regulatory assets	7,315	7,029
Nuclear decommissioning trusts	2,546	2,470
Income taxes receivable	147	135
Other	1,072	958
Total other noncurrent assets	11,080	10,592
TOTAL ASSETS	65,715	63,037
Current Liabilities
Short-term borrowings	1,529	1,019
Long-term debt, classified as current	160	160
Accounts payable
Trade creditors	1,313	1,414
Regulatory balancing accounts	654	715
Other	558	418
Disputed claims and customer refunds	461	454
Interest payable	211	203
Other	1,522	1,750
Total current liabilities	6,408	6,133
Noncurrent Liabilities
Long-term debt	16,177	15,577
Regulatory liabilities	6,547	6,321
Pension and other postretirement benefits	2,540	2,534
Asset retirement obligations	4,612	3,643
Deferred income taxes	9,839	9,487
Other	2,364	2,282
Total noncurrent liabilities	42,079	39,844
Commitments and Contingencies (Note 9)
Shareholders' Equity
Preferred stock	258	258
Common stock	1,322	1,322
Additional paid-in capital	7,495	7,215
Reinvested earnings	8,149	8,262
Accumulated other comprehensive income (loss)	4	3
Total shareholders' equity	17,228	17,060
TOTAL LIABILITIES AND EQUITY	$ 65,715	$ 63,037