Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Cash flows from operating activities:
Net income	$ 668	$ 1,425	$ 1,117
Less: Income from discontinued operations	0	12	35
Income from continuing operations	668	1,413	1,082
Adjustments to reconcile to net cash provided by operating activities:
Depreciation and amortization	2,115	2,098	2,005
Allowance for equity during construction	(87)	(74)	(87)
Impairment and other charges	738	0	5
Deferred income taxes and investment tax credits	498	190	449
Other	22	20	(28)
Nuclear decommissioning trusts	(197)	(179)	(428)
EME settlement payments, net of insurance proceeds	0	(209)	(176)
Changes in operating assets and liabilities:
Receivables	7	52	49
Inventory	(12)	8	14
Accounts payable	50	35	8
Tax receivables and payables	(250)	(6)	(28)
Other current assets and liabilities	34	211	(24)
Derivative assets and liabilities, net	(28)	13	45
Regulatory assets and liabilities, net	4	(292)	1,729
Other noncurrent assets and liabilities	25	(24)	(106)
Net cash provided by operating activities	3,587	3,256	4,509
Cash flows from financing activities:
Long-term debt issued or remarketed, net of premium, discount and issuance costs	2,233	397	1,420
Long-term debt matured or repurchased	(1,285)	(220)	(762)
Preference stock issued, net	462	294	319
Preference stock redeemed	(475)	(125)	(325)
Short-term debt financing, net	1,084	611	(572)
Payments for stock-based compensation	(393)	(237)	(197)
Receipts from stock option exercises	215	135	128
Dividends and distribution to noncontrolling interests	(125)	(123)	(116)
Dividends paid	(707)	(626)	(544)
Other	(2)	(11)	61
Net cash provided by (used in) financing activities	1,007	95	(588)
Cash flows from investing activities:
Capital expenditures	(3,828)	(3,734)	(4,225)
Proceeds from sale of nuclear decommissioning trust investments	5,239	3,212	3,506
Purchases of nuclear decommissioning trust investments	(5,042)	(3,033)	(3,132)
Life insurance policy loans proceeds	26	140	0
Other	6	(1)	(41)
Net cash used in investing activities	(3,599)	(3,416)	(3,892)
Net increase (decrease) in cash and cash equivalents	995	(65)	29
Cash and cash equivalents, beginning of year	96	161	132
Cash and cash equivalents, end of year	1,091	96	161
Southern California Edison Company
Cash flows from operating activities:
Net income	1,136	1,499	1,111
Adjustments to reconcile to net cash provided by operating activities:
Depreciation and amortization	2,101	2,085	1,996
Allowance for equity during construction	(87)	(74)	(87)
Impairment and other charges	716	0	0
Deferred income taxes and investment tax credits	304	88	308
Other	12	9	14
Nuclear decommissioning trusts	(197)	(179)	(428)
Changes in operating assets and liabilities:
Receivables	6	25	25
Inventory	(11)	(3)	19
Accounts payable	50	45	30
Tax receivables and payables	(234)	(16)	(16)
Other current assets and liabilities	69	185	(42)
Derivative assets and liabilities, net	(28)	13	45
Regulatory assets and liabilities, net	4	(292)	1,729
Other noncurrent assets and liabilities	(116)	138	(80)
Net cash provided by operating activities	3,725	3,523	4,624
Cash flows from financing activities:
Long-term debt issued or remarketed, net of premium, discount and issuance costs	1,445	0	1,413
Long-term debt matured or repurchased	(882)	(217)	(761)
Preference stock issued, net	462	294	319
Preference stock redeemed	(475)	(125)	(325)
Short-term debt financing, net	469	719	(619)
Payments for stock-based compensation	(86)	(127)	(78)
Receipts from stock option exercises	48	76	68
Dividends paid	(697)	(824)	(874)
Other	(41)	(15)	45
Net cash provided by (used in) financing activities	243	(219)	(812)
Cash flows from investing activities:
Capital expenditures	(3,740)	(3,633)	(4,210)
Proceeds from sale of nuclear decommissioning trust investments	5,239	3,212	3,506
Purchases of nuclear decommissioning trust investments	(5,042)	(3,033)	(3,132)
Life insurance policy loans proceeds	26	140	0
Other	25	23	12
Net cash used in investing activities	(3,492)	(3,291)	(3,824)
Net increase (decrease) in cash and cash equivalents	476	13	(12)
Cash and cash equivalents, beginning of year	39	26	38
Cash and cash equivalents, end of year	$ 515	$ 39	$ 26