Commitments and Contingencies (Details) operating Leases (USD $)
|
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2010
|
|
Operating Lease Commitments | |||
Lease expense | $ 67,000,000 | $ 81,000,000 | $ 111,000,000 |
Coal, Gas and Transportation Commitments
|
|||
Coal, Gas and Transportation Commitments | |||
Purchases | 1,400,000,000 | 1,600,000,000 | 1,500,000,000 |
Dickerson Morgantown [Member]
|
|||
Coal, Gas and Transportation Commitments | |||
Leased Interest | 100.00% | ||
GenOn Mid-Atlantic
|
|||
Future commitments under coal, gas and transportation contractual agreements | |||
2013 | 138,000,000 | ||
2014 | 131,000,000 | ||
2015 | 110,000,000 | ||
2016 | 150,000,000 | ||
2017 | 144,000,000 | ||
Thereafter | 791,000,000 | ||
Total | 1,464,000,000 | ||
REMA
|
|||
Future commitments under coal, gas and transportation contractual agreements | |||
2013 | 64,000,000 | ||
2014 | 63,000,000 | ||
2015 | 56,000,000 | ||
2016 | 61,000,000 | ||
2017 | 63,000,000 | ||
Thereafter | 455,000,000 | ||
Total | 762,000,000 | ||
Other Property
|
|||
Future commitments under coal, gas and transportation contractual agreements | |||
2013 | 88,000,000 | ||
2014 | 86,000,000 | ||
2015 | 80,000,000 | ||
2016 | 71,000,000 | ||
2017 | 69,000,000 | ||
Thereafter | 260,000,000 | ||
Total | $ 654,000,000 | ||
Shawville
|
|||
Coal, Gas and Transportation Commitments | |||
Leased Interest | 100.00% | ||
Keystone, Shelocta, PA
|
|||
Coal, Gas and Transportation Commitments | |||
Leased Interest | 16.45% | ||
Conemaugh, New Florence, PA
|
|||
Coal, Gas and Transportation Commitments | |||
Leased Interest | 16.67% |