Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities:
Net income	$ 392	$ 306
Less: income from discontinued operations	0	1
Income from continuing operations	392	305
Adjustments to reconcile to net cash provided by operating activities:
Depreciation, decommissioning and amortization	520	499
Allowance for equity during construction	(19)	(22)
Impairment and other charges	5	0
Deferred income taxes and investment tax credits	(13)	27
Other	5	5
Nuclear decommissioning trusts	1	(106)
Changes in operating assets and liabilities:
Receivables	26	117
Inventory	2	(1)
Accounts payable	(226)	(184)
Prepaid and accrued taxes	34	66
Other current assets and liabilities	50	(43)
Derivative assets and liabilities	(12)	5
Regulatory assets and liabilities	129	119
Other noncurrent assets and liabilities	(15)	68
Net cash provided by operating activities	879	855
Cash flows from financing activities:
Long-term debt issued or remarketed, net of discount and issuance costs	1,524	397
Long-term debt matured	(40)	(40)
Preference stock issued, net	0	294
Preference stock redeemed	0	(125)
Short-term debt financing, net	(1,013)	(332)
Settlements of stock-based compensation, net	139	51
Dividends to noncontrolling interests	(37)	(35)
Dividends paid	(177)	(156)
Other	(6)	3
Net cash provided by (used in) financing activities	112	(45)
Cash flows from investing activities:
Capital expenditures	(939)	(951)
Proceeds from sale of nuclear decommissioning trust investments	1,718	793
Purchases of nuclear decommissioning trust investments	(1,719)	(687)
Other	3	11
Net cash used in investing activities	(937)	(834)
Net increase (decrease) in cash and cash equivalents	54	(24)
Cash and cash equivalents at beginning of period	96	161
Cash and cash equivalents at end of period	150	137
Southern California Edison Company
Cash flows from operating activities:
Net income	380	325
Adjustments to reconcile to net cash provided by operating activities:
Depreciation, decommissioning and amortization	517	496
Allowance for equity during construction	(19)	(22)
Deferred income taxes and investment tax credits	223	54
Other	3	3
Nuclear decommissioning trusts	1	(106)
Changes in operating assets and liabilities:
Receivables	28	100
Inventory	5	5
Accounts payable	(226)	(175)
Prepaid and accrued taxes	(33)	60
Other current assets and liabilities	71	(25)
Derivative assets and liabilities	(12)	5
Regulatory assets and liabilities	129	119
Other noncurrent assets and liabilities	(136)	45
Net cash provided by operating activities	931	884
Cash flows from financing activities:
Long-term debt issued or remarketed, net of discount and issuance costs	1,126	0
Long-term debt matured	(40)	(40)
Preference stock issued, net	0	294
Preference stock redeemed	0	(125)
Short-term debt financing, net	(769)	52
Dividends paid	(227)	(205)
Other	(34)	(33)
Net cash provided by (used in) financing activities	56	(57)
Cash flows from investing activities:
Capital expenditures	(929)	(950)
Proceeds from sale of nuclear decommissioning trust investments	1,718	793
Purchases of nuclear decommissioning trust investments	(1,719)	(687)
Other	4	12
Net cash used in investing activities	(926)	(832)
Net increase (decrease) in cash and cash equivalents	61	(5)
Cash and cash equivalents at beginning of period	39	26
Cash and cash equivalents at end of period	$ 100	$ 21