XML 46 R51.htm IDEA: XBRL DOCUMENT v2.3.0.15
Fair Value Measurements (Details 5) (Recurring, USD $)
In Millions
Sep. 30, 2011
Dec. 31, 2010
Assets  
Fair value, assets$ 2,736$ 2,649
Liabilities  
Fair value, liabilities(812)(814)
Net assets (liabilities)1,9241,835[1]
FES [Member]
  
Assets  
Fair value, assets1,4201,378
Liabilities  
Fair value, liabilities(242)(348)
Net assets (liabilities)1,178[2]1,030[2]
FES [Member] | Level 1
  
Assets  
Fair value, assets870
Liabilities  
Fair value, liabilities00
Net assets (liabilities)87[2]0[2]
FES [Member] | Level 1 | Corporate debt securities
  
Assets  
Fair value, assets00
FES [Member] | Level 1 | Commodity Contracts | Derivative Assets
  
Assets  
Fair value, assets00
FES [Member] | Level 1 | FTRs | Derivative Assets
  
Assets  
Fair value, assets0 
FES [Member] | Level 1 | Equity Securities
  
Assets  
Fair value, assets87[3] 
FES [Member] | Level 1 | Foreign government debt securities
  
Assets  
Fair value, assets00
FES [Member] | Level 1 | U.S. government debt securities
  
Assets  
Fair value, assets00
FES [Member] | Level 1 | U.S. state debt securities
  
Assets  
Fair value, assets 0
FES [Member] | Level 1 | Other
  
Assets  
Fair value, assets0[4]0[4]
FES [Member] | Level 1 | Commodity Contracts | Derivative Liabilities
  
Liabilities  
Fair value, liabilities00
FES [Member] | Level 1 | FTRs | Derivative Liabilities
  
Liabilities  
Fair value, liabilities0 
FES [Member] | Level 2
  
Assets  
Fair value, assets1,3311,378
Liabilities  
Fair value, liabilities(238)(348)
Net assets (liabilities)1,093[2]1,030[2]
FES [Member] | Level 2 | Corporate debt securities
  
Assets  
Fair value, assets53528
FES [Member] | Level 2 | Commodity Contracts | Derivative Assets
  
Assets  
Fair value, assets200241
FES [Member] | Level 2 | FTRs | Derivative Assets
  
Assets  
Fair value, assets0 
FES [Member] | Level 2 | Equity Securities
  
Assets  
Fair value, assets0[3] 
FES [Member] | Level 2 | Foreign government debt securities
  
Assets  
Fair value, assets2147
FES [Member] | Level 2 | U.S. government debt securities
  
Assets  
Fair value, assets172308
FES [Member] | Level 2 | U.S. state debt securities
  
Assets  
Fair value, assets 6
FES [Member] | Level 2 | Other
  
Assets  
Fair value, assets904[4]148[4]
FES [Member] | Level 2 | Commodity Contracts | Derivative Liabilities
  
Liabilities  
Fair value, liabilities(238)(348)
FES [Member] | Level 2 | FTRs | Derivative Liabilities
  
Liabilities  
Fair value, liabilities0 
FES [Member] | Level 3
  
Assets  
Fair value, assets20
Liabilities  
Fair value, liabilities(4)0
Net assets (liabilities)(2)[2]0[2]
FES [Member] | Level 3 | Corporate debt securities
  
Assets  
Fair value, assets00
FES [Member] | Level 3 | Commodity Contracts | Derivative Assets
  
Assets  
Fair value, assets00
FES [Member] | Level 3 | FTRs | Derivative Assets
  
Assets  
Fair value, assets2 
FES [Member] | Level 3 | Equity Securities
  
Assets  
Fair value, assets0[3] 
FES [Member] | Level 3 | Foreign government debt securities
  
Assets  
Fair value, assets00
FES [Member] | Level 3 | U.S. government debt securities
  
Assets  
Fair value, assets00
FES [Member] | Level 3 | U.S. state debt securities
  
Assets  
Fair value, assets 0
FES [Member] | Level 3 | Other
  
Assets  
Fair value, assets0[4]0[4]
FES [Member] | Level 3 | Commodity Contracts | Derivative Liabilities
  
Liabilities  
Fair value, liabilities 0
FES [Member] | Level 3 | FTRs | Derivative Liabilities
  
Liabilities  
Fair value, liabilities(4) 
FES [Member] | Corporate debt securities
  
Assets  
Fair value, assets53528
FES [Member] | Commodity Contracts | Derivative Assets
  
Assets  
Fair value, assets200241
FES [Member] | FTRs | Derivative Assets
  
Assets  
Fair value, assets2 
FES [Member] | Equity Securities
  
Assets  
Fair value, assets87[3] 
FES [Member] | Foreign government debt securities
  
Assets  
Fair value, assets2147
FES [Member] | U.S. government debt securities
  
Assets  
Fair value, assets172308
FES [Member] | U.S. state debt securities
  
Assets  
Fair value, assets 6
FES [Member] | Other
  
Assets  
Fair value, assets904[4]148[4]
FES [Member] | Commodity Contracts | Derivative Liabilities
  
Liabilities  
Fair value, liabilities(238)(348)
FES [Member] | FTRs | Derivative Liabilities
  
Liabilities  
Fair value, liabilities(4) 
TE
  
Assets  
Fair value, assets78[5]76[5]
TE | Level 1
  
Assets  
Fair value, assets24[5]0[5]
TE | Level 1 | Corporate debt securities
  
Assets  
Fair value, assets00
TE | Level 1 | Equity Securities
  
Assets  
Fair value, assets24[3] 
TE | Level 1 | U.S. government debt securities
  
Assets  
Fair value, assets00
TE | Level 1 | U.S. state debt securities
  
Assets  
Fair value, assets 0
TE | Level 1 | Other
  
Assets  
Fair value, assets0[6]0[6]
TE | Level 2
  
Assets  
Fair value, assets54[5]76[5]
TE | Level 2 | Corporate debt securities
  
Assets  
Fair value, assets77
TE | Level 2 | Equity Securities
  
Assets  
Fair value, assets0[3] 
TE | Level 2 | U.S. government debt securities
  
Assets  
Fair value, assets3833
TE | Level 2 | U.S. state debt securities
  
Assets  
Fair value, assets 1
TE | Level 2 | Other
  
Assets  
Fair value, assets9[6]35[6]
TE | Level 3
  
Assets  
Fair value, assets0[5]0[5]
TE | Level 3 | Corporate debt securities
  
Assets  
Fair value, assets00
TE | Level 3 | Equity Securities
  
Assets  
Fair value, assets0[3] 
TE | Level 3 | U.S. government debt securities
  
Assets  
Fair value, assets00
TE | Level 3 | U.S. state debt securities
  
Assets  
Fair value, assets 0
TE | Level 3 | Other
  
Assets  
Fair value, assets0[6]0[6]
TE | Corporate debt securities
  
Assets  
Fair value, assets77
TE | Equity Securities
  
Assets  
Fair value, assets24[3] 
TE | U.S. government debt securities
  
Assets  
Fair value, assets3833
TE | U.S. state debt securities
  
Assets  
Fair value, assets 1
TE | Other
  
Assets  
Fair value, assets9[6]35[6]
JCP&L
  
Assets  
Fair value, assets410400
Liabilities  
Fair value, liabilities(222)(233)
Net assets (liabilities)188[7]167[7]
JCP&L | Level 1
  
Assets  
Fair value, assets2096
Liabilities  
Fair value, liabilities00
Net assets (liabilities)20[7]96[7]
JCP&L | Level 1 | Corporate debt securities
  
Assets  
Fair value, assets 0
JCP&L | Level 1 | Commodity Contracts | Derivative Assets
  
Assets  
Fair value, assets 0
JCP&L | Level 1 | Non Utility Generation Contract | Derivative Assets
  
Assets  
Fair value, assets0[8]0[8]
JCP&L | Level 1 | Equity Securities
  
Assets  
Fair value, assets20[3]96[3]
JCP&L | Level 1 | U.S. government debt securities
  
Assets  
Fair value, assets00
JCP&L | Level 1 | U.S. state debt securities
  
Assets  
Fair value, assets00
JCP&L | Level 1 | Other
  
Assets  
Fair value, assets0[4]0[4]
JCP&L | Level 1 | Non Utility Generation Contract | Derivative Liabilities
  
Liabilities  
Fair value, liabilities0[8]0[8]
JCP&L | Level 2
  
Assets  
Fair value, assets386298
Liabilities  
Fair value, liabilities00
Net assets (liabilities)386[7]298[7]
JCP&L | Level 2 | Corporate debt securities
  
Assets  
Fair value, assets 23
JCP&L | Level 2 | Commodity Contracts | Derivative Assets
  
Assets  
Fair value, assets 2
JCP&L | Level 2 | Non Utility Generation Contract | Derivative Assets
  
Assets  
Fair value, assets0[8]0[8]
JCP&L | Level 2 | Equity Securities
  
Assets  
Fair value, assets0[3]0[3]
JCP&L | Level 2 | U.S. government debt securities
  
Assets  
Fair value, assets5133
JCP&L | Level 2 | U.S. state debt securities
  
Assets  
Fair value, assets212236
JCP&L | Level 2 | Other
  
Assets  
Fair value, assets123[4]4[4]
JCP&L | Level 2 | Non Utility Generation Contract | Derivative Liabilities
  
Liabilities  
Fair value, liabilities0[8]0[8]
JCP&L | Level 3
  
Assets  
Fair value, assets46
Liabilities  
Fair value, liabilities(222)(233)
Net assets (liabilities)(218)[7](227)[7]
JCP&L | Level 3 | Corporate debt securities
  
Assets  
Fair value, assets 0
JCP&L | Level 3 | Commodity Contracts | Derivative Assets
  
Assets  
Fair value, assets 0
JCP&L | Level 3 | Non Utility Generation Contract | Derivative Assets
  
Assets  
Fair value, assets4[8]6[8]
JCP&L | Level 3 | Equity Securities
  
Assets  
Fair value, assets0[3]0[3]
JCP&L | Level 3 | U.S. government debt securities
  
Assets  
Fair value, assets00
JCP&L | Level 3 | U.S. state debt securities
  
Assets  
Fair value, assets00
JCP&L | Level 3 | Other
  
Assets  
Fair value, assets0[4]0[4]
JCP&L | Level 3 | Non Utility Generation Contract | Derivative Liabilities
  
Liabilities  
Fair value, liabilities(222)[8](233)[8]
JCP&L | Corporate debt securities
  
Assets  
Fair value, assets 23
JCP&L | Commodity Contracts | Derivative Assets
  
Assets  
Fair value, assets 2
JCP&L | Non Utility Generation Contract | Derivative Assets
  
Assets  
Fair value, assets4[8]6[8]
JCP&L | Equity Securities
  
Assets  
Fair value, assets20[3]96[3]
JCP&L | U.S. government debt securities
  
Assets  
Fair value, assets5133
JCP&L | U.S. state debt securities
  
Assets  
Fair value, assets212236
JCP&L | Other
  
Assets  
Fair value, assets123[4]4[4]
JCP&L | Non Utility Generation Contract | Derivative Liabilities
  
Liabilities  
Fair value, liabilities(222)[8](233)[8]
OE
  
Assets  
Fair value, assets138[9]126[9]
OE | Level 1
  
Assets  
Fair value, assets0[9]0[9]
OE | Level 1 | U.S. government debt securities
  
Assets  
Fair value, assets 0
OE | Level 1 | Other
  
Assets  
Fair value, assets0[4]0
OE | Level 2
  
Assets  
Fair value, assets138[9]126[9]
OE | Level 2 | U.S. government debt securities
  
Assets  
Fair value, assets 124
OE | Level 2 | Other
  
Assets  
Fair value, assets138[4]2
OE | Level 3
  
Assets  
Fair value, assets0[9]0[9]
OE | Level 3 | U.S. government debt securities
  
Assets  
Fair value, assets 0
OE | Level 3 | Other
  
Assets  
Fair value, assets0[4]0
OE | U.S. government debt securities
  
Assets  
Fair value, assets 124
OE | Other
  
Assets  
Fair value, assets138[4]2
Met-Ed
  
Assets  
Fair value, assets357414
Liabilities  
Fair value, liabilities(132)(116)
Net assets (liabilities)225[10]298[10]
Met-Ed | Level 1
  
Assets  
Fair value, assets31160
Liabilities  
Fair value, liabilities00
Net assets (liabilities)31[10]160[10]
Met-Ed | Level 1 | Corporate debt securities
  
Assets  
Fair value, assets00
Met-Ed | Level 1 | Commodity Contracts | Derivative Assets
  
Assets  
Fair value, assets 0
Met-Ed | Level 1 | Non Utility Generation Contract | Derivative Assets
  
Assets  
Fair value, assets0[8]0[8]
Met-Ed | Level 1 | Equity Securities
  
Assets  
Fair value, assets31[3]160[3]
Met-Ed | Level 1 | Foreign government debt securities
  
Assets  
Fair value, assets00
Met-Ed | Level 1 | U.S. government debt securities
  
Assets  
Fair value, assets00
Met-Ed | Level 1 | U.S. state debt securities
  
Assets  
Fair value, assets00
Met-Ed | Level 1 | Other
  
Assets  
Fair value, assets0[4]0[4]
Met-Ed | Level 1 | Non Utility Generation Contract | Derivative Liabilities
  
Liabilities  
Fair value, liabilities0[8]0[8]
Met-Ed | Level 2
  
Assets  
Fair value, assets274142
Liabilities  
Fair value, liabilities00
Net assets (liabilities)274[10]142[10]
Met-Ed | Level 2 | Corporate debt securities
  
Assets  
Fair value, assets032
Met-Ed | Level 2 | Commodity Contracts | Derivative Assets
  
Assets  
Fair value, assets 5
Met-Ed | Level 2 | Non Utility Generation Contract | Derivative Assets
  
Assets  
Fair value, assets0[8]0[8]
Met-Ed | Level 2 | Equity Securities
  
Assets  
Fair value, assets0[3]0[3]
Met-Ed | Level 2 | Foreign government debt securities
  
Assets  
Fair value, assets01
Met-Ed | Level 2 | U.S. government debt securities
  
Assets  
Fair value, assets4188
Met-Ed | Level 2 | U.S. state debt securities
  
Assets  
Fair value, assets02
Met-Ed | Level 2 | Other
  
Assets  
Fair value, assets233[4]14[4]
Met-Ed | Level 2 | Non Utility Generation Contract | Derivative Liabilities
  
Liabilities  
Fair value, liabilities0[8]0[8]
Met-Ed | Level 3
  
Assets  
Fair value, assets52112
Liabilities  
Fair value, liabilities(132)(116)
Net assets (liabilities)(80)[10](4)[10]
Met-Ed | Level 3 | Corporate debt securities
  
Assets  
Fair value, assets00
Met-Ed | Level 3 | Commodity Contracts | Derivative Assets
  
Assets  
Fair value, assets 0
Met-Ed | Level 3 | Non Utility Generation Contract | Derivative Assets
  
Assets  
Fair value, assets52[8]112[8]
Met-Ed | Level 3 | Equity Securities
  
Assets  
Fair value, assets0[3]0[3]
Met-Ed | Level 3 | Foreign government debt securities
  
Assets  
Fair value, assets00
Met-Ed | Level 3 | U.S. government debt securities
  
Assets  
Fair value, assets00
Met-Ed | Level 3 | U.S. state debt securities
  
Assets  
Fair value, assets00
Met-Ed | Level 3 | Other
  
Assets  
Fair value, assets0[4]0[4]
Met-Ed | Level 3 | Non Utility Generation Contract | Derivative Liabilities
  
Liabilities  
Fair value, liabilities(132)[8](116)[8]
Met-Ed | Corporate debt securities
  
Assets  
Fair value, assets032
Met-Ed | Commodity Contracts | Derivative Assets
  
Assets  
Fair value, assets 5
Met-Ed | Non Utility Generation Contract | Derivative Assets
  
Assets  
Fair value, assets52[8]112[8]
Met-Ed | Equity Securities
  
Assets  
Fair value, assets31[3]160[3]
Met-Ed | Foreign government debt securities
  
Assets  
Fair value, assets01
Met-Ed | U.S. government debt securities
  
Assets  
Fair value, assets4188
Met-Ed | U.S. state debt securities
  
Assets  
Fair value, assets02
Met-Ed | Other
  
Assets  
Fair value, assets233[4]14[4]
Met-Ed | Non Utility Generation Contract | Derivative Liabilities
  
Liabilities  
Fair value, liabilities(132)[8](116)[8]
Penelec | Level 1
  
Assets  
Fair value, assets1981
Liabilities  
Fair value, liabilities00
Net assets (liabilities)19[11]81[11]
Penelec | Level 1 | Corporate debt securities
  
Assets  
Fair value, assets 0
Penelec | Level 1 | Commodity Contracts | Derivative Assets
  
Assets  
Fair value, assets 0
Penelec | Level 1 | Non Utility Generation Contract | Derivative Assets
  
Assets  
Fair value, assets0[8]0[8]
Penelec | Level 1 | Equity Securities
  
Assets  
Fair value, assets19[3]81
Penelec | Level 1 | U.S. government debt securities
  
Assets  
Fair value, assets00
Penelec | Level 1 | U.S. state debt securities
  
Assets  
Fair value, assets00
Penelec | Level 1 | Other
  
Assets  
Fair value, assets00
Penelec | Level 1 | Non Utility Generation Contract | Derivative Liabilities
  
Liabilities  
Fair value, liabilities0[8]0[8]
Penelec | Level 2
  
Assets  
Fair value, assets270157
Liabilities  
Fair value, liabilities00
Net assets (liabilities)270[11]157[11]
Penelec | Level 2 | Corporate debt securities
  
Assets  
Fair value, assets 8
Penelec | Level 2 | Commodity Contracts | Derivative Assets
  
Assets  
Fair value, assets 2
Penelec | Level 2 | Non Utility Generation Contract | Derivative Assets
  
Assets  
Fair value, assets0[8]0[8]
Penelec | Level 2 | Equity Securities
  
Assets  
Fair value, assets0[3]0
Penelec | Level 2 | U.S. government debt securities
  
Assets  
Fair value, assets289
Penelec | Level 2 | U.S. state debt securities
  
Assets  
Fair value, assets98133
Penelec | Level 2 | Other
  
Assets  
Fair value, assets1445
Penelec | Level 2 | Non Utility Generation Contract | Derivative Liabilities
  
Liabilities  
Fair value, liabilities0[8]0[8]
Penelec | Level 3
  
Assets  
Fair value, assets34
Liabilities  
Fair value, liabilities(188)(117)
Net assets (liabilities)(185)[11](113)[11]
Penelec | Level 3 | Corporate debt securities
  
Assets  
Fair value, assets 0
Penelec | Level 3 | Commodity Contracts | Derivative Assets
  
Assets  
Fair value, assets 0
Penelec | Level 3 | Non Utility Generation Contract | Derivative Assets
  
Assets  
Fair value, assets3[8]4[8]
Penelec | Level 3 | Equity Securities
  
Assets  
Fair value, assets0[3]0
Penelec | Level 3 | U.S. government debt securities
  
Assets  
Fair value, assets00
Penelec | Level 3 | U.S. state debt securities
  
Assets  
Fair value, assets00
Penelec | Level 3 | Other
  
Assets  
Fair value, assets00
Penelec | Level 3 | Non Utility Generation Contract | Derivative Liabilities
  
Liabilities  
Fair value, liabilities(188)[8](117)[8]
Penelec | Estimate of Fair Value, Fair Value Disclosure [Member]
  
Assets  
Fair value, assets292242
Liabilities  
Fair value, liabilities(188)(117)
Net assets (liabilities)104[11]125[11]
Penelec | Estimate of Fair Value, Fair Value Disclosure [Member] | Corporate debt securities
  
Assets  
Fair value, assets 8
Penelec | Estimate of Fair Value, Fair Value Disclosure [Member] | Commodity Contracts | Derivative Assets
  
Assets  
Fair value, assets 2
Penelec | Estimate of Fair Value, Fair Value Disclosure [Member] | Non Utility Generation Contract | Derivative Assets
  
Assets  
Fair value, assets3[8]4[8]
Penelec | Estimate of Fair Value, Fair Value Disclosure [Member] | Equity Securities
  
Assets  
Fair value, assets19[3]81
Penelec | Estimate of Fair Value, Fair Value Disclosure [Member] | U.S. government debt securities
  
Assets  
Fair value, assets289
Penelec | Estimate of Fair Value, Fair Value Disclosure [Member] | U.S. state debt securities
  
Assets  
Fair value, assets98133
Penelec | Estimate of Fair Value, Fair Value Disclosure [Member] | Other
  
Assets  
Fair value, assets1445
Penelec | Estimate of Fair Value, Fair Value Disclosure [Member] | Non Utility Generation Contract | Derivative Liabilities
  
Liabilities  
Fair value, liabilities(188)[8](117)[8]
Level 1
  
Assets  
Fair value, assets181338
Liabilities  
Fair value, liabilities00
Net assets (liabilities)181338[1]
Level 1 | Corporate debt securities
  
Assets  
Fair value, assets00
Level 1 | Commodity Contracts | Derivative Assets
  
Assets  
Fair value, assets00
Level 1 | FTRs | Derivative Assets
  
Assets  
Fair value, assets0 
Level 1 | Non Utility Generation Contract | Derivative Assets
  
Assets  
Fair value, assets00[12]
Level 1 | Equity Securities
  
Assets  
Fair value, assets181338[3]
Level 1 | Foreign government debt securities
  
Assets  
Fair value, assets00
Level 1 | U.S. government debt securities
  
Assets  
Fair value, assets00
Level 1 | U.S. state debt securities
  
Assets  
Fair value, assets00
Level 1 | Other
  
Assets  
Fair value, assets00[4]
Level 1 | Commodity Contracts | Derivative Liabilities
  
Liabilities  
Fair value, liabilities00
Level 1 | FTRs | Derivative Liabilities
  
Liabilities  
Fair value, liabilities0 
Level 1 | Non Utility Generation Contract | Derivative Liabilities
  
Liabilities  
Fair value, liabilities00[12]
Level 2
  
Assets  
Fair value, assets2,4922,189
Liabilities  
Fair value, liabilities(257)(348)
Net assets (liabilities)2,2351,841[1]
Level 2 | Corporate debt securities
  
Assets  
Fair value, assets60597
Level 2 | Commodity Contracts | Derivative Assets
  
Assets  
Fair value, assets225250
Level 2 | FTRs | Derivative Assets
  
Assets  
Fair value, assets0 
Level 2 | Non Utility Generation Contract | Derivative Assets
  
Assets  
Fair value, assets00[12]
Level 2 | Equity Securities
  
Assets  
Fair value, assets00[3]
Level 2 | Foreign government debt securities
  
Assets  
Fair value, assets2149
Level 2 | U.S. government debt securities
  
Assets  
Fair value, assets331595
Level 2 | U.S. state debt securities
  
Assets  
Fair value, assets310379
Level 2 | Other
  
Assets  
Fair value, assets1,564219[4]
Level 2 | Commodity Contracts | Derivative Liabilities
  
Liabilities  
Fair value, liabilities(257)(348)
Level 2 | FTRs | Derivative Liabilities
  
Liabilities  
Fair value, liabilities0 
Level 2 | Non Utility Generation Contract | Derivative Liabilities
  
Liabilities  
Fair value, liabilities00[12]
Level 3
  
Assets  
Fair value, assets63122
Liabilities  
Fair value, liabilities(555)(466)
Net assets (liabilities)(492)(344)[1]
Level 3 | Corporate debt securities
  
Assets  
Fair value, assets00
Level 3 | Commodity Contracts | Derivative Assets
  
Assets  
Fair value, assets00
Level 3 | FTRs | Derivative Assets
  
Assets  
Fair value, assets4 
Level 3 | Non Utility Generation Contract | Derivative Assets
  
Assets  
Fair value, assets59122[12]
Level 3 | Equity Securities
  
Assets  
Fair value, assets00[3]
Level 3 | Foreign government debt securities
  
Assets  
Fair value, assets00
Level 3 | U.S. government debt securities
  
Assets  
Fair value, assets00
Level 3 | U.S. state debt securities
  
Assets  
Fair value, assets00
Level 3 | Other
  
Assets  
Fair value, assets00[4]
Level 3 | Commodity Contracts | Derivative Liabilities
  
Liabilities  
Fair value, liabilities00
Level 3 | FTRs | Derivative Liabilities
  
Liabilities  
Fair value, liabilities(13) 
Level 3 | Non Utility Generation Contract | Derivative Liabilities
  
Liabilities  
Fair value, liabilities(542)(466)[12]
Corporate debt securities
  
Assets  
Fair value, assets60597
Commodity Contracts | Derivative Assets
  
Assets  
Fair value, assets225250
FTRs | Derivative Assets
  
Assets  
Fair value, assets4 
Non Utility Generation Contract | Derivative Assets
  
Assets  
Fair value, assets59122[12]
Equity Securities
  
Assets  
Fair value, assets181338[3]
Foreign government debt securities
  
Assets  
Fair value, assets2149
U.S. government debt securities
  
Assets  
Fair value, assets331595
U.S. state debt securities
  
Assets  
Fair value, assets310379
Other
  
Assets  
Fair value, assets1,564219[4]
Commodity Contracts | Derivative Liabilities
  
Liabilities  
Fair value, liabilities(257)(348)
FTRs | Derivative Liabilities
  
Liabilities  
Fair value, liabilities(13) 
Non Utility Generation Contract | Derivative Liabilities
  
Liabilities  
Fair value, liabilities$ (542)$ (466)[12]
[1]Excludes $(29) million and $(7) million as of September 30, 2011 and December 31, 2010, respectively, of receivables, payables, taxes and accrued income associated with the financial instruments reflected within the fair value table.
[2]Excludes $(31) million and $7 million as of September 30, 2011 and December 31, 2010, respectively, of receivables, payables, taxes and accrued income associated with the financial instruments reflected within the fair value table.
[3]NDT funds hold equity portfolios the performance of which is benchmarked against the S&P 500 Index or Russell 3000 Index.
[4]Primarily consists of short-term cash investments.
[5]Excludes $2 million as of December 31, 2010 of receivables, payables, taxes and accrued income associated with the financial instruments reflected within the fair value table
[6]Primarily consists of short-term cash investments
[7]Excludes $6 million and $(3) million as of September 30, 2011 and December 31, 2010, respectively, of receivables, payables, taxes and accrued income associated with the financial instruments reflected within the fair value table
[8]NUG contracts are subject to regulatory accounting and do not impact earnings.
[9]Excludes $(2) million and $1 million as of September 30, 2011 and December 31, 2010, respectively, of receivables, payables, taxes and accrued income associated with the financial instruments reflected within the fair value table.
[10]Excludes $(3) million and $(9) million as of September 30, 2011 and December 31, 2010, respectively, of receivables, payables, taxes and accrued income associated with the financial instruments reflected within the fair value table.
[11]Excludes $1 million and $(3) million as of September 30, 2011 and December 31, 2010, respectively, of receivables, payables and accrued income associated with the financial instruments reflected within the fair value table.
[12]NUG contracts are generally subject to regulatory accounting and do not materially impact earnings.