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Taxes (Details 3) $ in Millions | Dec. 31, 2016 USD ($)
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State |
Pre-tax net operating loss expiration period |
Pre-tax net operating loss carryforwards for state and local income tax purposes | $ 7,062
State | 2017-2021 |
Pre-tax net operating loss expiration period |
Pre-tax net operating loss carryforwards for state and local income tax purposes | 166
State | 2022-2026 |
Pre-tax net operating loss expiration period |
Pre-tax net operating loss carryforwards for state and local income tax purposes | 1,327
State | 2027-2031 |
Pre-tax net operating loss expiration period |
Pre-tax net operating loss carryforwards for state and local income tax purposes | 2,817
State | 2032-2036 |
Pre-tax net operating loss expiration period |
Pre-tax net operating loss carryforwards for state and local income tax purposes | 2,752
Local |
Pre-tax net operating loss expiration period |
Pre-tax net operating loss carryforwards for state and local income tax purposes | 2,998
Local | 2017-2021 |
Pre-tax net operating loss expiration period |
Pre-tax net operating loss carryforwards for state and local income tax purposes | 2,998
Local | 2022-2026 |
Pre-tax net operating loss expiration period |
Pre-tax net operating loss carryforwards for state and local income tax purposes | 0
Local | 2027-2031 |
Pre-tax net operating loss expiration period |
Pre-tax net operating loss carryforwards for state and local income tax purposes | 0
Local | 2032-2036 |
Pre-tax net operating loss expiration period |
Pre-tax net operating loss carryforwards for state and local income tax purposes | 0
FES | State |
Pre-tax net operating loss expiration period |
Pre-tax net operating loss carryforwards for state and local income tax purposes | 1,584
FES | State | 2017-2021 |
Pre-tax net operating loss expiration period |
Pre-tax net operating loss carryforwards for state and local income tax purposes | 2
FES | State | 2022-2026 |
Pre-tax net operating loss expiration period |
Pre-tax net operating loss carryforwards for state and local income tax purposes | 0
FES | State | 2027-2031 |
Pre-tax net operating loss expiration period |
Pre-tax net operating loss carryforwards for state and local income tax purposes | 410
FES | State | 2032-2036 |
Pre-tax net operating loss expiration period |
Pre-tax net operating loss carryforwards for state and local income tax purposes | 1,172
FES | Local |
Pre-tax net operating loss expiration period |
Pre-tax net operating loss carryforwards for state and local income tax purposes | 1,795
FES | Local | 2017-2021 |
Pre-tax net operating loss expiration period |
Pre-tax net operating loss carryforwards for state and local income tax purposes | 1,795
FES | Local | 2022-2026 |
Pre-tax net operating loss expiration period |
Pre-tax net operating loss carryforwards for state and local income tax purposes | 0
FES | Local | 2027-2031 |
Pre-tax net operating loss expiration period |
Pre-tax net operating loss carryforwards for state and local income tax purposes | 0
FES | Local | 2032-2036 |
Pre-tax net operating loss expiration period |
Pre-tax net operating loss carryforwards for state and local income tax purposes | $ 0

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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32559-109319 + Details
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