SCHEDULE I – CONDENSED FINANCIAL INFORMATION OF PARENT (Schedule of Condensed Balance Sheet) (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Current Assets
Cash and cash equivalents	$ 1,668	$ 449	$ 177
Income taxes receivable	23	0
Total current assets	9,195	6,281
Noncurrent Assets
Equipment	83,272	77,248
Accumulated depreciation	(24,715)	(23,459)
Net property, plant, and equipment	58,557	53,789
TOTAL ASSETS	76,995	68,012
Current Liabilities
Short-term borrowings	3,435	931
Long-term debt, classified as current	18,559	445
Other	1,512	1,449
Total current liabilities	41,695	7,129
Noncurrent Liabilities
Long-term debt	0	17,753
Other	2,464	2,130
Total noncurrent liabilities	22,397	41,411
Common Shareholders’ Equity
Common stock, no par value	12,910	12,632
Reinvested earnings	(250)	6,596
Accumulated other comprehensive income (loss)	(9)	(8)
Total shareholders' equity	12,651	19,220
TOTAL LIABILITIES AND EQUITY	76,995	68,012
PG&E Corporation
Current Assets
Cash and cash equivalents	373	2	$ 106	$ 64
Advances to affiliates	44	24
Income taxes receivable	18	27
Total current assets	435	53
Noncurrent Assets
Equipment	2	3
Accumulated depreciation	(2)	(3)
Net property, plant, and equipment	0	0
Investments in subsidiaries	12,722	19,514
Other investments	162	144
Intercompany receivable	0	72
Deferred income taxes	187	123
Total noncurrent assets	13,071	19,853
TOTAL ASSETS	13,506	19,906
Current Liabilities
Short-term borrowings	300	132
Long-term debt, classified as current	350	0
Accounts payable – other	16	6
Other	17	23
Total current liabilities	683	161
Noncurrent Liabilities
Long-term debt	0	350
Other	172	175
Total noncurrent liabilities	172	525
Common Shareholders’ Equity
Common stock, no par value	12,910	12,632
Reinvested earnings	(250)	6,596
Accumulated other comprehensive income (loss)	(9)	(8)
Total shareholders' equity	12,651	19,220
TOTAL LIABILITIES AND EQUITY	$ 13,506	$ 19,906