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Income Taxes (Deferred Tax Liability) (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Deferred tax assets: |  |
Property | $ 856 | $ 590
Wildfire reserve | 558 | 1,134
Nuclear decommissioning trust assets in excess of nuclear ARO liability | 517 | 515
Loss and credit carryforwards | 3,078 | 1,991
Regulatory balances | 652 | 841
Pension and postretirement benefits other than pensions, net | 153 | 163
Leases | 543 | 307
Other | 165 | 206
Sub-total | 6,522 | 5,747
Less: valuation allowance | 44 | 35
Total | 6,478 | 5,712
Deferred tax liabilities: |  |
Property | 9,645 | 8,879
Regulatory balances | 1,242 | 1,111
Nuclear decommissioning trust assets | 517 | 515
Leases | 543 | 307
Other | 207 | 207
Total | 12,154 | 11,019
Accumulated deferred income tax liability, net | 5,676 | 5,307
Operating loss carryforwards valuation allowance | 277 | 270
Operating loss carryforward |  |
Deferred tax assets: |  |
Less: valuation allowance | 33 |
Capital loss from sale of SoCore Energy |  |
Deferred tax assets: |  |
Less: valuation allowance | 4 |
Charitable contribution carryover |  |
Deferred tax assets: |  |
Less: valuation allowance | 7 |
SCE |  |
Deferred tax assets: |  |
Property | 835 | 540
Wildfire reserve | 558 | 1,134
Nuclear decommissioning trust assets in excess of nuclear ARO liability | 517 | 515
Loss and credit carryforwards | 1,697 | 683
Regulatory balances | 652 | 841
Pension and postretirement benefits other than pensions, net | 30 | 35
Leases | 543 | 307
Other | 179 | 220
Sub-total | 5,011 | 4,275
Less: valuation allowance | 6 | 0
Total | 5,005 | 4,275
Deferred tax liabilities: |  |
Property | 9,633 | 8,871
Regulatory balances | 1,242 | 1,111
Nuclear decommissioning trust assets | 517 | 515
Leases | 543 | 307
Other | 186 | 192
Total | 12,121 | 10,996
Accumulated deferred income tax liability, net | 7,116 | 6,721
Operating loss carryforwards valuation allowance | 221 | $ 190
SCE | Charitable contribution carryover |  |
Deferred tax assets: |  |
Less: valuation allowance | $ 6 |

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