v3.6.0.2
CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Millions
Dec. 31, 2016
Sep. 30, 2016
Dec. 31, 2015
Assets, Current [Abstract]      
Cash and cash equivalents $ 349   $ 403
Restricted cash 66   27
Accounts receivable – trade, net 1,390   1,283
Accounts receivable – other, net 164   190
Due from unconsolidated affiliates 26   6
Income taxes receivable 43   30
Inventories 258   298
Regulatory balancing accounts – undercollected 259   307
Fixed-price contracts and other derivatives 83   80
Assets held for sale 201   0
Other 271   267
Total current assets 3,110   2,891
Other Assets [Abstract]      
Restricted cash 10   20
Due from unconsolidated affiliates 201   186
Regulatory assets 3,414   3,273
Nuclear decommissioning trusts 1,026   1,063
Investments 2,097   2,905
Goodwill 2,364   819
Other intangible assets 548   404
Dedicated assets in support of certain benefit plans 430   464
Insurance receivable for Aliso Canyon costs 606   325
Deferred income taxes 234   120
Sundry 815   641
Total other assets 11,745   10,220
Property, Plant and Equipment, Net [Abstract]      
Property, plant and equipment 43,624   38,200
Less accumulated depreciation and amortization (10,693)   (10,161)
Property, plant and equipment, net 32,931   28,039
Total assets 47,786   41,150
Liabilities, Current [Abstract]      
Short-term debt 1,779   622
Accounts payable – trade 1,346   1,133
Accounts payable – other 130   142
Due to unconsolidated affiliates 11   14
Dividends and interest payable 319   303
Accrued compensation and benefits 409   423
Regulatory balancing accounts – net overcollected 122   34
Current portion of long-term debt 913   907
Fixed-price contracts and other derivatives 83   56
Customer deposits 158   153
Reserve for Aliso Canyon costs 53   274
Liabilities held for sale 47   0
Other 557   551
Total current liabilities 5,927   4,612
Long-term debt 14,429   13,134
Deferred Credits and Other Liabilities [Abstract]      
Customer advances for construction 152   149
Pension and other postretirement benefit plan obligations, net of plan assets 1,208   1,152
Deferred income taxes 3,745   3,157
Deferred investment tax credits 28   32
Regulatory liabilities arising from removal obligations 2,697   2,793
Asset retirement obligations 2,431   2,126
Fixed-price contracts and other derivatives 405   240
Deferred credits and other 1,523   1,176
Total deferred credits and other liabilities 12,189   10,825
Commitments and contingencies (Note 15)  
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]      
Preferred stock 0   0
Common stock 2,982   2,621
Retained earnings 10,717   9,994
Accumulated other comprehensive income (loss) (748)   (806)
Total shareholders’ equity 12,951   11,809
Preferred stock of subsidiary 20   20
Other noncontrolling interests 2,270   750
Total equity 15,241   12,579
Total liabilities and equity 47,786   41,150
San Diego Gas and Electric Company [Member]      
Assets, Current [Abstract]      
Cash and cash equivalents 8   20
Restricted cash 11   23
Accounts receivable – trade, net 354   331
Accounts receivable – other, net 17   17
Due from unconsolidated affiliates 4   1
Income taxes receivable 122   1
Inventories 80   75
Prepaid expenses 59   49
Regulatory balancing accounts – undercollected 259   307
Regulatory assets 81   107
Fixed-price contracts and other derivatives 58   53
Other 19   20
Total current assets 1,072   1,004
Other Assets [Abstract]      
Restricted cash 1   0
Deferred taxes recoverable in rates 1,014   914
Regulatory assets 998   977
Nuclear decommissioning trusts 1,026   1,063
Sundry 358   301
Total other assets 3,397   3,255
Property, Plant and Equipment, Net [Abstract]      
Property, plant and equipment 17,844   16,458
Less accumulated depreciation and amortization (4,594)   (4,202)
Property, plant and equipment, net 13,250   12,256
Total assets 17,719   16,515
Liabilities, Current [Abstract]      
Short-term debt 0   168
Accounts payable – trade 460   377
Due to unconsolidated affiliates 15   55
Interest payable 40   39
Accrued compensation and benefits 121   129
Accrued franchise fees 43   66
Current portion of long-term debt 191   50
Fixed-price contracts and other derivatives 61   51
Asset retirement obligations 79   99
Customer deposits 76   72
Other 82   101
Total current liabilities 1,168   1,207
Long-term debt 4,658   4,455
Deferred Credits and Other Liabilities [Abstract]      
Customer advances for construction 52   46
Pension and other postretirement benefit plan obligations, net of plan assets 232   212
Deferred income taxes 2,829   2,472
Deferred investment tax credits 16   19
Regulatory liabilities arising from removal obligations 1,725   1,629
Asset retirement obligations 751   729
Fixed-price contracts and other derivatives 189   106
Deferred credits and other 421   364
Total deferred credits and other liabilities 6,215   5,577
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]      
Preferred stock 0   0
Common stock 1,338   1,338
Retained earnings 4,311   3,893
Accumulated other comprehensive income (loss) (8)   (8)
Total shareholders’ equity 5,641   5,223
Other noncontrolling interests 37   53
Total equity 5,678   5,276
Total liabilities and equity 17,719   16,515
Southern California Gas Company [Member]      
Assets, Current [Abstract]      
Cash and cash equivalents 12   58
Accounts receivable – trade, net 608   635
Accounts receivable – other, net 77   99
Due from unconsolidated affiliates 8   48
Income taxes receivable 2   0
Inventories 58   79
Regulatory assets 8   7
Other 63   40
Total current assets 836   966
Other Assets [Abstract]      
Regulatory assets arising from pension obligations 742   699
Regulatory assets 589   636
Insurance receivable for Aliso Canyon costs 606   325
Sundry 399   207
Total other assets 2,336   1,867
Property, Plant and Equipment, Net [Abstract]      
Property, plant and equipment 15,344   14,171
Less accumulated depreciation and amortization (5,092)   (4,900)
Property, plant and equipment, net 10,252   9,271
Total assets 13,424   12,104
Liabilities, Current [Abstract]      
Short-term debt 62   0
Accounts payable – trade 481   422
Accounts payable – other 74   76
Due to unconsolidated affiliates 28   0
Income taxes payable 0   3
Accrued compensation and benefits 150   160
Regulatory balancing accounts – net overcollected 122   34
Current portion of long-term debt 0   9
Customer deposits 76   76
Reserve for Aliso Canyon costs 53   274
Other 195   184
Total current liabilities 1,241   1,238
Long-term debt 2,982   2,481
Deferred Credits and Other Liabilities [Abstract]      
Customer advances for construction 99   103
Pension obligation, net of plan assets 762   716
Deferred income taxes 1,709   1,532
Deferred investment tax credits 12   14
Regulatory liabilities arising from removal obligations 972   1,145
Asset retirement obligations 1,616   1,354
Deferred credits and other 521   372
Total deferred credits and other liabilities 5,691   5,236
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]      
Preferred stock 22   22
Common stock 866   866
Retained earnings 2,644   2,280
Accumulated other comprehensive income (loss) (22)   (19)
Total shareholders’ equity 3,510   3,149
Total equity 3,510   3,149
Total liabilities and equity $ 13,424   $ 12,104