Consolidated Balance Sheets (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Receivables, allowances for uncollectible accounts (in dollars)	$ 68	$ 66
Utility property, plant and equipment, accumulated depreciation (in dollars)	8,132	7,493
Nonutility property, plant and equipment, accumulated depreciation (in dollars)	76	74
Common stock, no par value (in dollars per share)	$ 0us-gaap_CommonStockNoParValue	$ 0us-gaap_CommonStockNoParValue
Common stock, shares authorized	800,000,000us-gaap_CommonStockSharesAuthorized	800,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued	325,811,206us-gaap_CommonStockSharesIssued	325,811,206us-gaap_CommonStockSharesIssued
Common stock, shares outstanding	325,811,206us-gaap_CommonStockSharesOutstanding	325,811,206us-gaap_CommonStockSharesOutstanding
Southern California Edison
Receivables, allowances for uncollectible accounts (in dollars)	68	66
Utility property, plant and equipment, accumulated depreciation (in dollars)	8,132	7,493
Nonutility property, plant and equipment, accumulated depreciation (in dollars)	$ 75	$ 70
Common stock, no par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized	560,000,000	560,000,000
Common stock, shares issued	434,888,104	434,888,104
Common stock, shares outstanding	434,888,104	434,888,104

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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