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Organization and Basis of Presentation (Details 3) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015
Property, Plant and Equipment |  |
In Service | $ 43,767 | $ 49,952
Accumulated Depreciation | (15,731) | (15,160)
Property, plant and equipment in service net of accumulated provision for depreciation | 28,036 | 34,792
Construction Work in Progress | 1,351 | 2,422
Total net property, plant and equipment | 29,387 | 37,214
Capital leased assets | 244 | 253
Regulated Distribution |  |
Property, Plant and Equipment |  |
In Service | 24,979 | 24,034
Accumulated Depreciation | (7,169) | (6,865)
Property, plant and equipment in service net of accumulated provision for depreciation | 17,810 | 17,169
Construction Work in Progress | 472 | 530
Total net property, plant and equipment | 18,282 | 17,699
Regulated Transmission |  |
Property, Plant and Equipment |  |
In Service | 9,342 | 8,222
Accumulated Depreciation | (1,948) | (1,840)
Property, plant and equipment in service net of accumulated provision for depreciation | 7,394 | 6,382
Construction Work in Progress | 383 | 484
Total net property, plant and equipment | 7,777 | 6,866
Net plant in service reclassified | 326 |
Competitive Energy Services |  |
Property, Plant and Equipment |  |
In Service | 8,680 | 17,214
Accumulated Depreciation | (6,267) | (6,213)
Property, plant and equipment in service net of accumulated provision for depreciation | 2,413 | 11,001
Construction Work in Progress | 453 | 1,304
Total net property, plant and equipment | 2,866 | 12,305
Corporate/Other |  |
Property, Plant and Equipment |  |
In Service | 766 | 482
Accumulated Depreciation | (347) | (242)
Property, plant and equipment in service net of accumulated provision for depreciation | 419 | 240
Construction Work in Progress | 43 | 104
Total net property, plant and equipment | 462 | 344
FES |  |
Property, Plant and Equipment |  |
In Service | 7,057 | 14,311
Accumulated Depreciation | (5,929) | (5,765)
Property, plant and equipment in service net of accumulated provision for depreciation | 1,128 | 8,546
Construction Work in Progress | 427 | 1,157
Total net property, plant and equipment | 1,555 | 9,703
FES | Fossil Generation |  |
Property, Plant and Equipment |  |
In Service | 2,212 | 5,911
Accumulated Depreciation | (1,720) | (1,937)
Property, plant and equipment in service net of accumulated provision for depreciation | 492 | 3,974
Construction Work in Progress | 63 | 218
Total net property, plant and equipment | 555 | 4,192
FES | Nuclear Generation |  |
Property, Plant and Equipment |  |
In Service | 2,065 | 5,617
Accumulated Depreciation | (1,723) | (1,574)
Property, plant and equipment in service net of accumulated provision for depreciation | 342 | 4,043
Construction Work in Progress | 118 | 512
Total net property, plant and equipment | 460 | 4,555
FES | Nuclear Fuel |  |
Property, Plant and Equipment |  |
In Service | 2,637 | 2,616
Accumulated Depreciation | (2,418) | (2,198)
Property, plant and equipment in service net of accumulated provision for depreciation | 219 | 418
Construction Work in Progress | 241 | 283
Total net property, plant and equipment | 460 | 701
FES | Other |  |
Property, Plant and Equipment |  |
In Service | 143 | 167
Accumulated Depreciation | (68) | (56)
Property, plant and equipment in service net of accumulated provision for depreciation | 75 | 111
Construction Work in Progress | 5 | 144
Total net property, plant and equipment | $ 80 | $ 255

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