CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Cash Flows from Operating Activities
Net Income (Loss)	$ (6,837)	$ 1,660	$ 1,407
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization, and decommissioning	3,036	2,854	2,755
Allowance for equity funds used during construction	(129)	(89)	(112)
Deferred income taxes and tax credits, net	(2,532)	1,254	1,030
Disallowed capital expenditures	(45)	47	507
Other	332	307	379
Effect of changes in operating assets and liabilities:
Accounts receivable	(121)	67	(473)
Wildfire-related insurance receivable	(1,698)	(21)	(575)
Inventories	(73)	(18)	(24)
Accounts payable	409	173	180
Wildfire-related claims	13,665	(129)	690
Income taxes receivable/payable	(23)	160	(5)
Other current assets and liabilities	(281)	42	83
Regulatory assets, liabilities, and balancing accounts, net	(800)	(387)	(1,214)
Other noncurrent assets and liabilities	(151)	57	(219)
Net cash provided by operating activities	4,752	5,977	4,409
Cash Flows from Investing Activities
Capital expenditures	(6,514)	(5,641)	(5,709)
Proceeds from sales and maturities of nuclear decommissioning trust investments	1,412	1,291	1,295
Purchases of nuclear decommissioning trust investments	(1,485)	(1,323)	(1,352)
Other	23	23	13
Net cash used in investing activities	(6,564)	(5,650)	(5,753)
Cash Flows from Financing Activities
Borrowings under revolving credit facilities	3,960	0	0
Repayments under revolving credit facilities	(775)	0	0
Net issuances (repayments) of commercial paper, net of discount	(182)	(840)	(9)
Short-term debt financing	600	750	500
Short-term debt matured	(750)	(500)	0
Proceeds from issuance of long-term debt, net of premium, discount and issuance costs	793	2,713	983
Long-term debt matured or repurchased	(795)	(1,445)	(160)
Common stock issued	200	395	822
Common stock dividends paid	0	(1,021)	(921)
Other	(20)	(107)	(44)
Net cash provided by (used in) financing activities	3,031	(55)	1,171
Net change in cash, cash equivalents, and restricted cash	1,219	272	(173)
Cash, cash equivalents, and restricted cash at January 1	456	184	357
Cash, cash equivalents, and restricted cash at December 31	1,675	456	184
Less: Restricted cash and restricted cash equivalents	(7)	(7)	(7)
Cash and cash equivalents at December 31	1,668	449	177
Cash received (paid) for:
Interest, net of amounts capitalized	(786)	(790)	(726)
Income taxes, net	(49)	162	231
Supplemental disclosures of noncash investing and financing activities
Common stock dividends declared but not yet paid	0	0	248
Capital expenditures financed through accounts payable	368	501	403
Noncash common stock issuances	0	21	20
Pacific Gas & Electric Co
Cash Flows from Operating Activities
Net Income (Loss)	(6,818)	1,691	1,402
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization, and decommissioning	3,036	2,854	2,754
Allowance for equity funds used during construction	(129)	(89)	(112)
Deferred income taxes and tax credits, net	(2,548)	1,103	1,042
Disallowed capital expenditures	(45)	47	507
Other	258	283	306
Effect of changes in operating assets and liabilities:
Accounts receivable	(122)	66	(475)
Wildfire-related insurance receivable	(1,698)	(21)	(575)
Inventories	(73)	(18)	(24)
Accounts payable	421	173	179
Wildfire-related claims	13,665	(129)	690
Income taxes receivable/payable	(5)	159	(29)
Other current assets and liabilities	(301)	59	112
Regulatory assets, liabilities, and balancing accounts, net	(800)	(390)	(1,214)
Other noncurrent assets and liabilities	(137)	128	(219)
Net cash provided by operating activities	4,704	5,916	4,344
Cash Flows from Investing Activities
Capital expenditures	(6,514)	(5,641)	(5,709)
Proceeds from sales and maturities of nuclear decommissioning trust investments	1,412	1,291	1,295
Purchases of nuclear decommissioning trust investments	(1,485)	(1,323)	(1,352)
Other	23	23	13
Net cash used in investing activities	(6,564)	(5,650)	(5,753)
Cash Flows from Financing Activities
Borrowings under revolving credit facilities	3,535	0	0
Repayments under revolving credit facilities	(650)	0	0
Net issuances (repayments) of commercial paper, net of discount	(50)	(972)	(9)
Short-term debt financing	250	750	500
Short-term debt matured	(750)	(500)	0
Proceeds from issuance of long-term debt, net of premium, discount and issuance costs	793	2,713	983
Long-term debt matured or repurchased	(445)	(1,445)	(160)
Preferred stock dividends paid	0	(14)	(14)
Common stock dividends paid	0	(784)	(911)
Equity contribution from PG&E Corporation	45	455	835
Other	(20)	(93)	(30)
Net cash provided by (used in) financing activities	2,708	110	1,194
Net change in cash, cash equivalents, and restricted cash	848	376	(215)
Cash, cash equivalents, and restricted cash at January 1	454	78	293
Cash, cash equivalents, and restricted cash at December 31	1,302	454	78
Less: Restricted cash and restricted cash equivalents	(7)	(7)	(7)
Cash and cash equivalents at December 31	1,295	447	71
Cash received (paid) for:
Interest, net of amounts capitalized	(773)	(781)	(717)
Income taxes, net	(59)	162	244
Supplemental disclosures of noncash investing and financing activities
Capital expenditures financed through accounts payable	$ 368	$ 501	$ 403