SCHEDULE I – CONDENSED FINANCIAL INFORMATION OF PARENT (Schedule of Condensed Balance Sheet) (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current Assets
Cash and cash equivalents	$ 291	$ 484	$ 1,570
Other	882	1,334
Total current assets	11,077	9,602
Noncurrent Assets
Equipment	98,960	93,894
Accumulated depreciation	(29,134)	(27,758)
Net property, plant, and equipment	69,826	66,136
Operating lease right of use asset	1,234	1,741
TOTAL ASSETS	103,327	97,856
Current Liabilities
Long-term debt, classified as current (includes $18 million and $0 related to VIEs at respective dates)	4,481	28
Operating lease liabilities	468	533
Other current liabilities	2,436	2,256
Total current liabilities	17,427	13,581
Noncurrent Liabilities
Debtor-in-possession financing	38,225	37,288
Operating lease liabilities	810	1,208
Other	4,308	3,848
Total noncurrent liabilities	64,677	63,022
Common Shareholders’ Equity
Common stock, no par value, authorized 3,600,000,000 and 3,600,000,000 shares at respective dates; 1,985,400,540 and 1,984,678,673 shares outstanding at respective dates	35,129	30,224
Reinvested earnings	(9,284)	(9,196)
Accumulated other comprehensive loss	(20)	(27)
Total shareholders' equity	20,971	21,001
TOTAL LIABILITIES AND EQUITY	103,327	97,856
PG&E Corporation
Current Assets
Cash and cash equivalents	126	223
Advances to affiliates	21	48
Income taxes receivable	10	12
Other	12	13
Total current assets	169	296
Noncurrent Assets
Equipment	2	2
Accumulated depreciation	(2)	(2)
Net property, plant, and equipment	0	0
Investments in subsidiaries	30,232	25,244
Other investments	181	186
Operating lease right of use asset	0	3
Deferred income taxes	297	237
Total noncurrent assets	30,710	25,670
TOTAL ASSETS	30,879	25,966
Current Liabilities
Long-term debt, classified as current (includes $18 million and $0 related to VIEs at respective dates)	27	28
Accounts payable – other	200	49
Operating lease liabilities	0	3
Other current liabilities	69	72
Total current liabilities	296	152
Noncurrent Liabilities
Debtor-in-possession financing	4,592	4,624
Operating lease liabilities	0	0
Other	168	191
Total noncurrent liabilities	4,760	4,815
Common Shareholders’ Equity
Common stock, no par value, authorized 3,600,000,000 and 3,600,000,000 shares at respective dates; 1,985,400,540 and 1,984,678,673 shares outstanding at respective dates	35,129	30,224
Reinvested earnings	(9,286)	(9,198)
Accumulated other comprehensive loss	(20)	(27)
Total shareholders' equity	25,823	20,999
TOTAL LIABILITIES AND EQUITY	$ 30,879	$ 25,966