Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash flows from operating activities:
Net income	$ 242	$ 392
Adjustments to reconcile to net cash provided by operating activities:
Depreciation and amortization	479	520
Allowance for equity during construction	(22)	(19)
Impairment and other charges	66	5
Deferred income taxes and investment tax credits	4	(13)
Other	17	9
Nuclear decommissioning trusts	(24)	1
Changes in operating assets and liabilities:
Receivables	77	27
Inventory	(7)	2
Accounts payable	(216)	(226)
Tax receivables and payables	162	34
Other current assets and liabilities	(277)	39
Regulatory assets and liabilities, net	405	129
Other noncurrent assets and liabilities	(47)	(16)
Net cash provided by operating activities	859	884
Cash flows from financing activities:
Long-term debt issued or remarketed, net of discount and issuance costs	1,783	1,524
Long-term debt matured	(41)	(40)
Short-term debt financing, net	(2,261)	(1,013)
Payments for stock-based compensation	(10)	(313)
Receipt from stock option exercises	2	174
Dividends and distribution to noncontrolling interests	(36)	(37)
Dividends paid	(197)	(177)
Other	15	(6)
Net cash (used in) provided by financing activities	(745)	112
Cash flows from investing activities:
Capital expenditures	(1,137)	(944)
Proceeds from sale of nuclear decommissioning trust investments	931	1,718
Purchases of nuclear decommissioning trust investments	(907)	(1,719)
Other	16	4
Net cash used in investing activities	(1,097)	(941)
Net (decrease) increase in cash, cash equivalents and restricted cash including cash held for sale	(983)	55
Less: Net increase in cash held for sale	43	0
Net (decrease) increase in cash, cash equivalents and restricted cash	(1,026)	55
Cash, cash equivalents and restricted cash at beginning of period	1,132	114
Cash, cash equivalents and restricted cash at end of period	106	169
Southern California Edison Company
Cash flows from operating activities:
Net income	316	380
Adjustments to reconcile to net cash provided by operating activities:
Depreciation and amortization	475	517
Allowance for equity during construction	(22)	(19)
Deferred income taxes and investment tax credits	(3)	223
Other	15	7
Nuclear decommissioning trusts	(24)	1
Changes in operating assets and liabilities:
Receivables	70	29
Inventory	(7)	5
Accounts payable	(230)	(226)
Tax receivables and payables	81	(33)
Other current assets and liabilities	(268)	60
Regulatory assets and liabilities, net	405	129
Other noncurrent assets and liabilities	(7)	(137)
Net cash provided by operating activities	801	936
Cash flows from financing activities:
Long-term debt issued or remarketed, net of discount and issuance costs	1,239	1,126
Long-term debt matured	(40)	(40)
Short-term debt financing, net	(1,168)	(769)
Payments for stock-based compensation	(3)	(56)
Receipt from stock option exercises	1	33
Dividends paid	(248)	(227)
Other	3	(11)
Net cash (used in) provided by financing activities	(216)	56
Cash flows from investing activities:
Capital expenditures	(1,124)	(934)
Proceeds from sale of nuclear decommissioning trust investments	931	1,718
Purchases of nuclear decommissioning trust investments	(907)	(1,719)
Other	15	4
Net cash used in investing activities	(1,085)	(931)
Net (decrease) increase in cash, cash equivalents and restricted cash including cash held for sale	(500)	61
Cash, cash equivalents and restricted cash at beginning of period	515	40
Cash, cash equivalents and restricted cash at end of period	$ 15	$ 101