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Organization, Basis of Presentation and Significant Accounting Policies (Details 9) (USD $)
12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2011
FE
Dec. 31, 2010
FE
Dec. 31, 2009
FE
Sep. 30, 2011
FE
As Reported
Jun. 30, 2011
FE
As Reported
Mar. 31, 2011
FE
As Reported
Dec. 31, 2010
FE
As Reported
Sep. 30, 2010
FE
As Reported
Jun. 30, 2010
FE
As Reported
Mar. 31, 2010
FE
As Reported
Dec. 31, 2010
FE
As Reported
Dec. 31, 2009
FE
As Reported
Sep. 30, 2011
FE
Effect of Change
Jun. 30, 2011
FE
Effect of Change
Mar. 31, 2011
FE
Effect of Change
Dec. 31, 2010
FE
Effect of Change
Sep. 30, 2010
FE
Effect of Change
Jun. 30, 2010
FE
Effect of Change
Mar. 31, 2010
FE
Effect of Change
Dec. 31, 2010
FE
Effect of Change
Dec. 31, 2009
FE
Effect of Change
Dec. 31, 2011
FE
As Revised
Sep. 30, 2011
FE
As Revised
Jun. 30, 2011
FE
As Revised
Mar. 31, 2011
FE
As Revised
Dec. 31, 2010
FE
As Revised
Sep. 30, 2010
FE
As Revised
Jun. 30, 2010
FE
As Revised
Mar. 31, 2010
FE
As Revised
Dec. 31, 2010
FE
As Revised
Dec. 31, 2009
FE
As Revised
Dec. 31, 2011
FES
Dec. 31, 2010
FES
Dec. 31, 2009
FES
Sep. 30, 2011
FES
As Reported
Jun. 30, 2011
FES
As Reported
Mar. 31, 2011
FES
As Reported
Dec. 31, 2010
FES
As Reported
Sep. 30, 2010
FES
As Reported
Jun. 30, 2010
FES
As Reported
Mar. 31, 2010
FES
As Reported
Dec. 31, 2010
FES
As Reported
Dec. 31, 2009
FES
As Reported
Dec. 31, 2008
FES
As Reported
Sep. 30, 2011
FES
Effect of Change
Jun. 30, 2011
FES
Effect of Change
Mar. 31, 2011
FES
Effect of Change
Dec. 31, 2010
FES
Effect of Change
Sep. 30, 2010
FES
Effect of Change
Jun. 30, 2010
FES
Effect of Change
Mar. 31, 2010
FES
Effect of Change
Dec. 31, 2010
FES
Effect of Change
Dec. 31, 2009
FES
Effect of Change
Dec. 31, 2008
FES
Effect of Change
Dec. 31, 2011
FES
As Revised
Sep. 30, 2011
FES
As Revised
Jun. 30, 2011
FES
As Revised
Mar. 31, 2011
FES
As Revised
Dec. 31, 2010
FES
As Revised
Sep. 30, 2010
FES
As Revised
Jun. 30, 2010
FES
As Revised
Mar. 31, 2010
FES
As Revised
Dec. 31, 2010
FES
As Revised
Dec. 31, 2009
FES
As Revised
Dec. 31, 2008
FES
As Revised
Dec. 31, 2011
OE
Dec. 31, 2010
OE
Dec. 31, 2009
OE
Sep. 30, 2011
OE
As Reported
Jun. 30, 2011
OE
As Reported
Mar. 31, 2011
OE
As Reported
Dec. 31, 2010
OE
As Reported
Sep. 30, 2010
OE
As Reported
Jun. 30, 2010
OE
As Reported
Mar. 31, 2010
OE
As Reported
Dec. 31, 2010
OE
As Reported
Dec. 31, 2009
OE
As Reported
Dec. 31, 2008
OE
As Reported
Sep. 30, 2011
OE
Effect of Change
Jun. 30, 2011
OE
Effect of Change
Mar. 31, 2011
OE
Effect of Change
Dec. 31, 2010
OE
Effect of Change
Sep. 30, 2010
OE
Effect of Change
Jun. 30, 2010
OE
Effect of Change
Mar. 31, 2010
OE
Effect of Change
Dec. 31, 2010
OE
Effect of Change
Dec. 31, 2009
OE
Effect of Change
Dec. 31, 2008
OE
Effect of Change
Dec. 31, 2011
OE
As Revised
Sep. 30, 2011
OE
As Revised
Jun. 30, 2011
OE
As Revised
Mar. 31, 2011
OE
As Revised
Dec. 31, 2010
OE
As Revised
Sep. 30, 2010
OE
As Revised
Jun. 30, 2010
OE
As Revised
Mar. 31, 2010
OE
As Revised
Dec. 31, 2010
OE
As Revised
Dec. 31, 2009
OE
As Revised
Dec. 31, 2008
OE
As Revised
Dec. 31, 2011
CEI
Dec. 31, 2010
CEI
Dec. 31, 2009
CEI
Sep. 30, 2011
CEI
As Reported
Jun. 30, 2011
CEI
As Reported
Mar. 31, 2011
CEI
As Reported
Dec. 31, 2010
CEI
As Reported
Sep. 30, 2010
CEI
As Reported
Jun. 30, 2010
CEI
As Reported
Mar. 31, 2010
CEI
As Reported
Dec. 31, 2010
CEI
As Reported
Dec. 31, 2009
CEI
As Reported
Dec. 31, 2008
CEI
As Reported
Sep. 30, 2011
CEI
Effect of Change
Jun. 30, 2011
CEI
Effect of Change
Mar. 31, 2011
CEI
Effect of Change
Dec. 31, 2010
CEI
Effect of Change
Sep. 30, 2010
CEI
Effect of Change
Jun. 30, 2010
CEI
Effect of Change
Mar. 31, 2010
CEI
Effect of Change
Dec. 31, 2010
CEI
Effect of Change
Dec. 31, 2009
CEI
Effect of Change
Dec. 31, 2008
CEI
Effect of Change
Dec. 31, 2011
CEI
As Revised
Sep. 30, 2011
CEI
As Revised
Jun. 30, 2011
CEI
As Revised
Mar. 31, 2011
CEI
As Revised
Dec. 31, 2010
CEI
As Revised
Sep. 30, 2010
CEI
As Revised
Jun. 30, 2010
CEI
As Revised
Mar. 31, 2010
CEI
As Revised
Dec. 31, 2010
CEI
As Revised
Dec. 31, 2009
CEI
As Revised
Dec. 31, 2008
CEI
As Revised
Dec. 31, 2011
TE
Dec. 31, 2010
TE
Dec. 31, 2009
TE
Sep. 30, 2011
TE
As Reported
Jun. 30, 2011
TE
As Reported
Mar. 31, 2011
TE
As Reported
Dec. 31, 2010
TE
As Reported
Sep. 30, 2010
TE
As Reported
Jun. 30, 2010
TE
As Reported
Mar. 31, 2010
TE
As Reported
Dec. 31, 2010
TE
As Reported
Dec. 31, 2009
TE
As Reported
Dec. 31, 2008
TE
As Reported
Sep. 30, 2011
TE
Effect of Change
Jun. 30, 2011
TE
Effect of Change
Mar. 31, 2011
TE
Effect of Change
Dec. 31, 2010
TE
Effect of Change
Sep. 30, 2010
TE
Effect of Change
Jun. 30, 2010
TE
Effect of Change
Mar. 31, 2010
TE
Effect of Change
Dec. 31, 2010
TE
Effect of Change
Dec. 31, 2009
TE
Effect of Change
Dec. 31, 2008
TE
Effect of Change
Dec. 31, 2011
TE
As Revised
Sep. 30, 2011
TE
As Revised
Jun. 30, 2011
TE
As Revised
Mar. 31, 2011
TE
As Revised
Dec. 31, 2010
TE
As Revised
Sep. 30, 2010
TE
As Revised
Jun. 30, 2010
TE
As Revised
Mar. 31, 2010
TE
As Revised
Dec. 31, 2010
TE
As Revised
Dec. 31, 2009
TE
As Revised
Dec. 31, 2008
TE
As Revised
Dec. 31, 2011
JCP&L
Dec. 31, 2010
JCP&L
Dec. 31, 2009
JCP&L
Sep. 30, 2011
JCP&L
As Reported
Jun. 30, 2011
JCP&L
As Reported
Mar. 31, 2011
JCP&L
As Reported
Dec. 31, 2010
JCP&L
As Reported
Sep. 30, 2010
JCP&L
As Reported
Jun. 30, 2010
JCP&L
As Reported
Mar. 31, 2010
JCP&L
As Reported
Dec. 31, 2010
JCP&L
As Reported
Dec. 31, 2009
JCP&L
As Reported
Sep. 30, 2011
JCP&L
Effect of Change
Jun. 30, 2011
JCP&L
Effect of Change
Mar. 31, 2011
JCP&L
Effect of Change
Dec. 31, 2010
JCP&L
Effect of Change
Sep. 30, 2010
JCP&L
Effect of Change
Jun. 30, 2010
JCP&L
Effect of Change
Mar. 31, 2010
JCP&L
Effect of Change
Dec. 31, 2010
JCP&L
Effect of Change
Dec. 31, 2009
JCP&L
Effect of Change
Dec. 31, 2011
JCP&L
As Revised
Sep. 30, 2011
JCP&L
As Revised
Jun. 30, 2011
JCP&L
As Revised
Mar. 31, 2011
JCP&L
As Revised
Dec. 31, 2010
JCP&L
As Revised
Sep. 30, 2010
JCP&L
As Revised
Jun. 30, 2010
JCP&L
As Revised
Mar. 31, 2010
JCP&L
As Revised
Dec. 31, 2010
JCP&L
As Revised
Dec. 31, 2009
JCP&L
As Revised
Dec. 31, 2011
Met-Ed
Dec. 31, 2010
Met-Ed
Dec. 31, 2009
Met-Ed
Sep. 30, 2011
Met-Ed
As Reported
Jun. 30, 2011
Met-Ed
As Reported
Mar. 31, 2011
Met-Ed
As Reported
Dec. 31, 2010
Met-Ed
As Reported
Sep. 30, 2010
Met-Ed
As Reported
Jun. 30, 2010
Met-Ed
As Reported
Mar. 31, 2010
Met-Ed
As Reported
Dec. 31, 2010
Met-Ed
As Reported
Dec. 31, 2009
Met-Ed
As Reported
Sep. 30, 2011
Met-Ed
Effect of Change
Jun. 30, 2011
Met-Ed
Effect of Change
Mar. 31, 2011
Met-Ed
Effect of Change
Dec. 31, 2010
Met-Ed
Effect of Change
Sep. 30, 2010
Met-Ed
Effect of Change
Jun. 30, 2010
Met-Ed
Effect of Change
Mar. 31, 2010
Met-Ed
Effect of Change
Dec. 31, 2010
Met-Ed
Effect of Change
Dec. 31, 2009
Met-Ed
Effect of Change
Dec. 31, 2011
Met-Ed
As Revised
Sep. 30, 2011
Met-Ed
As Revised
Jun. 30, 2011
Met-Ed
As Revised
Mar. 31, 2011
Met-Ed
As Revised
Dec. 31, 2010
Met-Ed
As Revised
Sep. 30, 2010
Met-Ed
As Revised
Jun. 30, 2010
Met-Ed
As Revised
Mar. 31, 2010
Met-Ed
As Revised
Dec. 31, 2010
Met-Ed
As Revised
Dec. 31, 2009
Met-Ed
As Revised
Dec. 31, 2011
Penelec
Dec. 31, 2010
Penelec
Dec. 31, 2009
Penelec
Sep. 30, 2011
Penelec
As Reported
Jun. 30, 2011
Penelec
As Reported
Mar. 31, 2011
Penelec
As Reported
Dec. 31, 2010
Penelec
As Reported
Sep. 30, 2010
Penelec
As Reported
Jun. 30, 2010
Penelec
As Reported
Mar. 31, 2010
Penelec
As Reported
Dec. 31, 2010
Penelec
As Reported
Dec. 31, 2009
Penelec
As Reported
Sep. 30, 2011
Penelec
Effect of Change
Jun. 30, 2011
Penelec
Effect of Change
Mar. 31, 2011
Penelec
Effect of Change
Dec. 31, 2010
Penelec
Effect of Change
Sep. 30, 2010
Penelec
Effect of Change
Jun. 30, 2010
Penelec
Effect of Change
Mar. 31, 2010
Penelec
Effect of Change
Dec. 31, 2010
Penelec
Effect of Change
Dec. 31, 2009
Penelec
Effect of Change
Dec. 31, 2011
Penelec
As Revised
Sep. 30, 2011
Penelec
As Revised
Jun. 30, 2011
Penelec
As Revised
Mar. 31, 2011
Penelec
As Revised
Dec. 31, 2010
Penelec
As Revised
Sep. 30, 2010
Penelec
As Revised
Jun. 30, 2010
Penelec
As Revised
Mar. 31, 2010
Penelec
As Revised
Dec. 31, 2010
Penelec
As Revised
Dec. 31, 2009
Penelec
As Revised
CONSOLIDATED STATEMENTS OF INCOME                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
Other operating expenses $ 3,909,000,000 $ 2,696,000,000 $ 2,551,000,000       $ 1,024,000,000 $ 1,098,000,000 $ 1,008,000,000 $ 738,000,000 $ 738,000,000 $ 673,000,000 $ 701,000,000 $ 2,850,000,000 $ 2,697,000,000 $ (40,000,000) $ (40,000,000) $ (40,000,000) $ (37,000,000) $ (39,000,000) $ (39,000,000) $ (39,000,000) $ (154,000,000) $ (146,000,000) $ 899,000,000 $ 984,000,000 $ 1,058,000,000 $ 968,000,000 [1] $ 701,000,000 $ 699,000,000 $ 634,000,000 $ 662,000,000 $ 2,696,000,000 $ 2,551,000,000 $ 1,630,000,000 $ 1,230,000,000 $ 1,143,000,000 $ 405,000,000 $ 429,000,000 $ 496,000,000 $ 363,000,000 $ 308,000,000 $ 304,000,000 $ 305,000,000 $ 1,280,000,000 $ 1,183,000,000   $ (15,000,000) $ (16,000,000) $ (16,000,000) $ (14,000,000) $ (12,000,000) $ (12,000,000) $ (12,000,000) $ (50,000,000) $ (40,000,000)   $ 347,000,000 $ 390,000,000 $ 413,000,000 $ 480,000,000 $ 349,000,000 $ 296,000,000 $ 292,000,000 $ 293,000,000 $ 1,230,000,000 $ 1,143,000,000   $ 451,000,000 $ 342,000,000 $ 439,000,000 $ 119,000,000 $ 111,000,000 $ 101,000,000 $ 92,000,000 $ 95,000,000 $ 88,000,000 $ 89,000,000 $ 364,000,000 $ 461,000,000   $ (5,000,000) $ (5,000,000) $ (5,000,000) $ (4,000,000) $ (6,000,000) $ (6,000,000) $ (6,000,000) $ (22,000,000) $ (22,000,000)   $ 135,000,000 $ 114,000,000 $ 106,000,000 $ 96,000,000 $ 88,000,000 $ 89,000,000 $ 82,000,000 $ 83,000,000 $ 342,000,000 $ 439,000,000   $ 129,716,000 $ 115,066,000 $ 148,567,000 $ 40,300,000 $ 31,600,000 $ 35,000,000 $ 33,400,000 $ 36,400,000 $ 28,900,000 $ 31,200,000 $ 130,018,000,000 $ 161,407,000,000   $ (3,600,000) $ (3,600,000) $ (3,600,000) $ (3,700,000) $ (3,700,000) $ (3,700,000) $ (3,700,000) $ (14,952,000,000) $ (12,840,000,000)   $ 33,600,000 $ 36,700,000 $ 28,000,000 $ 31,400,000 $ 29,700,000 $ 32,700,000 $ 25,200,000 $ 27,500,000 $ 115,066,000,000 $ 148,567,000,000   $ 133,366,000 $ 101,895,000 $ 135,938,000 $ 35,500,000 $ 32,500,000 $ 36,600,000 $ 28,200,000 $ 28,700,000 $ 25,500,000 $ 25,500,000 $ 108,072,000,000 $ 142,203,000,000   $ (1,500,000) $ (1,500,000) $ (1,500,000) $ (1,500,000) $ (1,500,000) $ (1,500,000) $ (1,500,000) $ (6,177,000,000) $ (6,265,000,000)   $ 33,300,000 $ 34,000,000 $ 31,000,000 $ 35,100,000 $ 26,700,000 $ 27,200,000 $ 24,000,000 $ 24,000,000 $ 101,895,000,000 $ 135,938,000,000   $ 371,000,000 $ 323,000,000 $ 284,000,000 $ 132,000,000 $ 79,000,000 $ 86,000,000 $ 84,000,000 $ 89,000,000 $ 75,000,000 $ 96,000,000 $ 344,000,000 $ 310,000,000 $ (6,000,000) $ (6,000,000) $ (6,000,000) $ (6,000,000) $ (5,000,000) $ (5,000,000) $ (5,000,000) $ (21,000,000) $ (26,000,000) $ 92,000,000 $ 126,000,000 $ 73,000,000 $ 80,000,000 $ 78,000,000 $ 84,000,000 $ 70,000,000 $ 91,000,000 $ 323,000,000 $ 284,000,000 $ 171,236,000 $ 401,016,000 $ 259,135,000 $ 47,500,000 $ 50,100,000 $ 47,200,000 $ 84,600,000 $ 141,800,000 $ 90,200,000 $ 102,000,000 $ 418,569,000,000 $ 277,024,000,000 $ (3,700,000) $ (3,800,000) $ (3,800,000) $ (4,400,000) $ (4,400,000) $ (4,400,000) $ (4,400,000) $ (17,553,000,000) $ (17,889,000,000) $ 37,700,000 $ 43,800,000 $ 46,300,000 $ 43,400,000 $ 80,200,000 $ 137,400,000 $ 85,800,000 $ 97,600,000 $ 401,016,000,000 $ 259,135,000,000 $ 148,298,000 $ 246,966,000 $ 192,761,000 $ 39,000,000 $ 44,600,000 $ 41,300,000 $ 70,300,000 $ 58,800,000 $ 67,100,000 $ 72,400,000 $ 268,614,000,000 $ 209,156,000,000 $ (4,300,000) $ (4,300,000) $ (4,300,000) $ (5,400,000) $ (5,400,000) $ (5,400,000) $ (5,400,000) $ (21,648,000,000) $ (16,395,000,000) $ 36,300,000 [2] $ 34,700,000 $ 40,300,000 $ 37,000,000 $ 64,900,000 $ 53,400,000 $ 61,700,000 $ 67,000,000 $ 246,966,000,000 $ 192,761,000,000
Pension and other postretirement benefits mark-to-market 507,000,000 190,000,000 321,000,000       0 0 0 0 0 0 0 0 0 0 0 0 (190,000,000) 0 0 0 190,000,000 321,000,000 (507,000,000) 0 0 0 [1] (190,000,000) 0 0 0 190,000,000 321,000,000 171,000,000 107,000,000 150,000,000 0 0 0 0 0 0 0 0 0   0 0 0 (107,000,000) 0 0 0 107,000,000 150,000,000   (171,000,000) 0 0 0 (107,000,000) 0 0 0 107,000,000 150,000,000   43,000,000 24,000,000 26,000,000 0 0 0 0 0 0 0 0 0   0 0 0 (24,000,000) 0 0 0 24,000,000 26,000,000   (43,000,000) 0 0 0 (24,000,000) 0 0 0 24,000,000 26,000,000   20,069,000 11,945,000 38,329,000 0 0 0 0 0 0 0 0 0   0 0 0 (11,900,000) 0 0 0 11,945,000,000 38,329,000,000   (20,100,000) 0 0 0 (11,900,000) 0 0 0 11,945,000,000 38,329,000,000   10,560,000 4,183,000 14,360,000 0 0 0 0 0 0 0 0 0   0 0 0 (4,200,000) 0 0 0 4,183,000,000 14,360,000,000   (10,600,000) 0 0 0 (4,200,000) 0 0 0 4,183,000,000 14,360,000,000   60,000,000 26,000,000 37,000,000 0 0 0 0 0 0 0 0 0 0 0 0 (26,000,000) 0 0 0 26,000,000 37,000,000 (60,000,000) 0 0 0 (26,000,000) 0 0 0 26,000,000 37,000,000 33,493,000 6,993,000 16,044,000 0 0 0 0 0 0 0 0 0 0 0 0 (7,000,000) 0 0 0 6,993,000,000 16,044,000,000 (33,500,000) 0 0 0 (7,000,000) 0 0 0 6,993,000,000 16,044,000,000 41,127,000 8,279,000 33,983,000 0 0 0 0 0 0 0 0 0 0 0 0 (8,300,000) 0 0 0 8,279,000,000 33,983,000,000 (41,100,000) [2] 0 0 0 (8,300,000) 0 0 0 8,279,000,000 33,983,000,000
Provision for depreciation 1,121,000,000 768,000,000 757,000,000       292,000,000 282,000,000 220,000,000 181,000,000 182,000,000 190,000,000 193,000,000 746,000,000 736,000,000 5,000,000 5,000,000 5,000,000 7,000,000 5,000,000 5,000,000 5,000,000 22,000,000 21,000,000 312,000,000 297,000,000 287,000,000 225,000,000 [1] 188,000,000 187,000,000 195,000,000 198,000,000 768,000,000 757,000,000 275,000,000 246,000,000 262,000,000 69,000,000 68,000,000 68,000,000 57,000,000 60,000,000 63,000,000 63,000,000 243,000,000 259,000,000   0 1,000,000 1,000,000 0 1,000,000 1,000,000 1,000,000 3,000,000 3,000,000   68,000,000 69,000,000 69,000,000 69,000,000 57,000,000 61,000,000 64,000,000 64,000,000 246,000,000 262,000,000   93,000,000 91,000,000 92,000,000 23,000,000 22,000,000 22,000,000 22,000,000 22,000,000 22,000,000 22,000,000 88,000,000 89,000,000   0 1,000,000 1,000,000 0 1,000,000 1,000,000 1,000,000 3,000,000 3,000,000   24,000,000 23,000,000 23,000,000 23,000,000 22,000,000 23,000,000 23,000,000 23,000,000 91,000,000 92,000,000   76,135,000 74,907,000 73,883,000 18,500,000 18,500,000 18,400,000 18,200,000 18,100,000 18,300,000 18,100,000 72,753,000,000 71,908,000,000   400,000 400,000 400,000 600,000 500,000 500,000 500,000 2,154,000,000 1,975,000,000   19,500,000 18,900,000 18,900,000 18,800,000 18,800,000 18,600,000 18,800,000 18,600,000 74,907,000,000 73,883,000,000   32,467,000 32,161,000 31,181,000 8,000,000 8,000,000 7,900,000 7,900,000 7,800,000 8,000,000 8,000,000 31,613,000,000 30,727,000,000   100,000 100,000 100,000 200,000 100,000 100,000 100,000 548,000,000 454,000,000   8,300,000 8,100,000 8,100,000 8,000,000 8,100,000 7,900,000 8,100,000 8,100,000 32,161,000,000 31,181,000,000   135,000,000 113,000,000 108,000,000 31,000,000 27,000,000 25,000,000 26,000,000 27,000,000 27,000,000 28,000,000 108,000,000 103,000,000 2,000,000 1,000,000 1,000,000 2,000,000 1,000,000 1,000,000 1,000,000 5,000,000 5,000,000 48,000,000 33,000,000 28,000,000 26,000,000 28,000,000 28,000,000 28,000,000 29,000,000 113,000,000 108,000,000 60,831,000 55,792,000 54,652,000 14,500,000 12,800,000 12,400,000 13,000,000 13,000,000 13,400,000 12,800,000 52,176,000,000 51,006,000,000 900,000 800,000 800,000 900,000 900,000 900,000 900,000 3,616,000,000 3,646,000,000 18,600,000 15,400,000 13,600,000 13,200,000 13,900,000 13,900,000 14,300,000 13,700,000 55,792,000,000 54,652,000,000 63,071,000 65,694,000 65,637,000 16,100,000 15,800,000 14,600,000 15,100,000 14,900,000 16,600,000 14,700,000 61,141,000,000 61,317,000,000 1,000,000 1,000,000 1,000,000 1,100,000 1,100,000 1,100,000 1,100,000 4,553,000,000 4,320,000,000 13,600,000 [2] 17,100,000 16,800,000 15,600,000 16,200,000 16,000,000 17,700,000 15,800,000 65,694,000,000 65,637,000,000
Miscellaneous income (expense)                                                                     30,000,000 17,000,000 13,000,000                                                               2,000,000 4,000,000 3,000,000                                                               3,959,000 2,362,000 3,911,000                                                               (366,000) (4,287,000) (2,169,000)               (4,206,000,000) (2,436,000,000)                 (81,000,000) 267,000,000                   (4,287,000,000) (2,169,000,000)   11,000,000 6,000,000 5,000,000                                                         3,606,000 5,901,000 4,107,000               5,901,000,000 4,033,000,000               0 74,000,000                 5,901,000,000 4,107,000,000 2,754,000 5,957,000 3,662,000               5,928,000,000 3,662,000,000               29,000,000 0                 5,957,000,000 3,662,000,000
Impairment of long-lived assets 413,000,000 388,000,000 6,000,000       9,000,000 7,000,000 25,000,000 92,000,000 292,000,000 0 0 384,000,000 6,000,000 0 0 0 1,000,000 3,000,000 0 0 4,000,000 0 372,000,000 9,000,000 7,000,000 25,000,000 [1] 93,000,000 295,000,000 0 0 388,000,000 6,000,000 294,000,000 388,000,000 6,000,000 2,000,000 7,000,000 14,000,000 90,000,000 292,000,000 0 2,000,000 384,000,000 6,000,000   0 0 0 1,000,000 3,000,000 0 0 4,000,000 0   271,000,000 2,000,000 7,000,000 14,000,000 91,000,000 295,000,000 0 2,000,000 388,000,000 6,000,000                                                                                                                                                                                                                                                                                                                                                                                                        
Capitalized interest 70,000,000 165,000,000 131,000,000                     165,000,000 130,000,000               0 1,000,000                 165,000,000 131,000,000 35,000,000 92,000,000 60,000,000                                                               2,000,000 1,000,000 1,000,000                                                               608,000 63,000 261,000               82,000,000 173,000,000                 (19,000,000) 88,000,000                   63,000,000 261,000,000   547,000 304,000 283,000               358,000,000 169,000,000                 (54,000,000) 114,000,000                   304,000,000 283,000,000   2,000,000 1,000,000 1,000,000                                                         486,000 653,000 181,000               653,000,000 159,000,000               0 22,000,000                 653,000,000 181,000,000 214,000 770,000 230,000               750,000,000 98,000,000               20,000,000 132,000,000                 770,000,000 230,000,000
Income before income taxes 1,443,000,000 1,180,000,000 1,040,000,000       820,000,000 272,000,000 123,000,000 298,000,000 294,000,000 390,000,000 260,000,000 1,242,000,000 1,235,000,000 35,000,000 35,000,000 35,000,000 (161,000,000) 31,000,000 34,000,000 34,000,000 (62,000,000) (195,000,000) 123,000,000 855,000,000 307,000,000 158,000,000 [1] 137,000,000 325,000,000 424,000,000 294,000,000 1,180,000,000 1,040,000,000 (70,000,000) 356,000,000 779,000,000 183,000,000 24,000,000 56,000,000 135,000,000 (42,000,000) 203,000,000 124,000,000 420,000,000 892,000,000   15,000,000 15,000,000 15,000,000 (94,000,000) 8,000,000 11,000,000 11,000,000 (64,000,000) (113,000,000)   (378,000,000) 198,000,000 39,000,000 71,000,000 41,000,000 (34,000,000) 214,000,000 135,000,000 356,000,000 779,000,000   206,000,000 233,000,000 181,000,000 83,000,000 55,000,000 48,000,000 58,000,000 75,000,000 49,000,000 56,000,000 238,000,000 188,000,000   5,000,000 4,000,000 4,000,000 (20,000,000) 5,000,000 5,000,000 5,000,000 (5,000,000) (7,000,000)   7,000,000 88,000,000 59,000,000 52,000,000 38,000,000 80,000,000 54,000,000 61,000,000 233,000,000 181,000,000   105,715,000 112,682,000 (48,551,000) 42,900,000 28,100,000 17,600,000 17,900,000 38,400,000 30,700,000 24,800,000 111,848,000,000 (21,175,000,000)   3,200,000 3,200,000 3,200,000 (8,800,000) 3,200,000 3,200,000 3,200,000 834,000,000 (27,376,000,000)   7,500,000 46,100,000 31,300,000 20,800,000 9,100,000 41,600,000 33,900,000 28,000,000 112,682,000,000 (48,551,000,000)   49,332,000 52,004,000 23,749,000 23,800,000 13,000,000 7,600,000 9,600,000 20,000,000 8,200,000 12,900,000 50,693,000,000 31,917,000,000   1,400,000 1,400,000 1,400,000 (2,900,000) 1,400,000 1,400,000 1,400,000 1,311,000,000 (8,168,000,000)   700,000 25,200,000 14,400,000 9,000,000 6,700,000 21,400,000 9,600,000 14,300,000 52,004,000,000 23,749,000,000   261,000,000 330,000,000 263,000,000 142,000,000 72,000,000 38,000,000 57,000,000 147,000,000 83,000,000 53,000,000 340,000,000 279,000,000 4,000,000 5,000,000 5,000,000 (22,000,000) 4,000,000 4,000,000 4,000,000 (10,000,000) (16,000,000) (5,000,000) 146,000,000 77,000,000 43,000,000 35,000,000 151,000,000 87,000,000 57,000,000 330,000,000 263,000,000 104,709,000 107,817,000 82,412,000 38,100,000 30,100,000 28,500,000 26,200,000 24,300,000 25,700,000 24,600,000 100,873,000,000 84,117,000,000 2,800,000 3,000,000 3,000,000 (3,500,000) 3,500,000 3,500,000 3,500,000 6,944,000,000 (1,705,000,000) (800,000) 40,900,000 33,100,000 31,500,000 22,700,000 27,800,000 29,200,000 28,100,000 107,817,000,000 82,412,000,000 93,171,000 109,530,000 89,306,000 31,400,000 28,300,000 29,100,000 22,200,000 25,100,000 18,800,000 34,500,000 100,665,000,000 111,082,000,000 3,300,000 3,300,000 3,300,000 (4,000,000) 4,300,000 4,300,000 4,300,000 8,865,000,000 (21,776,000,000) (5,500,000) [2] 34,700,000 31,600,000 32,400,000 18,200,000 29,400,000 23,100,000 38,800,000 109,530,000,000 89,306,000,000
Income taxes 574,000,000 462,000,000 184,000,000 574,000,000 462,000,000 184,000,000 311,000,000 101,000,000 78,000,000 118,000,000 119,000,000 134,000,000 111,000,000 482,000,000 245,000,000 14,000,000 13,000,000 13,000,000 (59,000,000) 13,000,000 13,000,000 13,000,000 (20,000,000) (61,000,000) 24,000,000 325,000,000 114,000,000 111,000,000 [1] 59,000,000 132,000,000 147,000,000 124,000,000 462,000,000 184,000,000 (11,000,000) 125,000,000 281,000,000 73,000,000 4,000,000 20,000,000 43,000,000 (5,000,000) 69,000,000 44,000,000 151,000,000 315,000,000   5,000,000 6,000,000 6,000,000 (38,000,000) 4,000,000 4,000,000 4,000,000 (26,000,000) (34,000,000)   (125,000,000) 78,000,000 10,000,000 26,000,000 5,000,000 (1,000,000) 73,000,000 48,000,000 125,000,000 281,000,000   78,000,000 78,000,000 62,000,000 33,000,000 16,000,000 18,000,000 20,000,000 29,000,000 12,000,000 20,000,000 81,000,000 66,000,000   1,000,000 2,000,000 2,000,000 (9,000,000) 2,000,000 2,000,000 2,000,000 (3,000,000) (4,000,000)   6,000,000 34,000,000 18,000,000 20,000,000 11,000,000 31,000,000 14,000,000 22,000,000 78,000,000 62,000,000   33,852,000 35,127,000 (19,794,000) 16,300,000 6,200,000 4,400,000 5,600,000 13,500,000 8,800,000 10,800,000 38,673,000,000 (10,183,000,000)   1,200,000 1,200,000 1,200,000 (6,900,000) 1,100,000 1,100,000 1,100,000 (3,546,000,000) (9,611,000,000)   3,400,000 17,500,000 7,400,000 5,600,000 (1,300,000) 14,600,000 9,900,000 11,900,000 35,127,000,000 (19,794,000,000)   14,605,000 15,756,000 5,347,000 9,000,000 1,400,000 1,700,000 4,400,000 6,900,000 900,000 5,400,000 17,645,000,000 7,939,000,000   500,000 500,000 500,000 (3,400,000) 500,000 500,000 500,000 (1,889,000,000) (2,592,000,000)   1,000,000 9,500,000 1,900,000 2,200,000 1,000,000 7,400,000 1,400,000 5,900,000 15,756,000,000 5,347,000,000   117,000,000 147,000,000 105,000,000 59,000,000 30,000,000 18,000,000 26,000,000 64,000,000 34,000,000 24,000,000 148,000,000 109,000,000 2,000,000 2,000,000 2,000,000 (7,000,000) 2,000,000 2,000,000 2,000,000 (1,000,000) (4,000,000) 4,000,000 61,000,000 32,000,000 20,000,000 19,000,000 66,000,000 36,000,000 26,000,000 147,000,000 105,000,000 36,820,000 47,733,000 28,875,000 13,000,000 13,300,000 5,900,000 11,800,000 10,100,000 8,600,000 12,300,000 42,866,000,000 28,594,000,000 1,200,000 1,200,000 1,200,000 400,000 1,500,000 1,500,000 1,500,000 4,867,000,000 281,000,000 1,000,000 14,200,000 14,500,000 7,100,000 12,200,000 11,600,000 10,100,000 13,800,000 47,733,000,000 28,875,000,000 30,098,000 46,340,000 38,508,000 11,300,000 13,600,000 11,800,000 12,800,000 5,300,000 5,800,000 17,200,000 41,173,000,000 45,694,000,000 1,400,000 1,400,000 1,400,000 (200,000) 1,800,000 1,800,000 1,800,000 5,167,000,000 (7,186,000,000) (10,800,000) [2] 12,700,000 15,000,000 13,200,000 12,600,000 7,100,000 7,600,000 19,000,000 46,340,000,000 38,508,000,000
Net income (loss) 869,000,000 718,000,000 856,000,000       509,000,000 171,000,000 45,000,000 180,000,000 175,000,000 256,000,000 149,000,000 760,000,000 990,000,000 21,000,000 22,000,000 22,000,000 (102,000,000) 18,000,000 21,000,000 21,000,000 (42,000,000) (134,000,000) 99,000,000 530,000,000 193,000,000 47,000,000 [1] 78,000,000 193,000,000 277,000,000 170,000,000 718,000,000 856,000,000 (59,000,000) 231,000,000 498,000,000 110,000,000 20,000,000 36,000,000 92,000,000 (37,000,000) 134,000,000 80,000,000 269,000,000 577,000,000   10,000,000 9,000,000 9,000,000 (56,000,000) 4,000,000 7,000,000 7,000,000 (38,000,000) (79,000,000)   (253,000,000) 120,000,000 29,000,000 45,000,000 36,000,000 (33,000,000) 141,000,000 87,000,000 231,000,000 498,000,000   128,000,000 155,000,000 119,000,000 50,000,000 39,000,000 30,000,000 38,000,000 46,000,000 37,000,000 36,000,000 157,000,000 122,000,000   4,000,000 2,000,000 2,000,000 (11,000,000) 3,000,000 3,000,000 3,000,000 (2,000,000) (3,000,000)   1,000,000 54,000,000 41,000,000 32,000,000 27,000,000 49,000,000 40,000,000 39,000,000 155,000,000 119,000,000   71,863,000 77,555,000 (28,757,000) 26,600,000 21,800,000 13,200,000 12,300,000 24,900,000 21,900,000 14,000,000 73,175,000,000 (10,992,000,000)   2,000,000 2,000,000 2,000,000 (1,900,000) 2,100,000 2,100,000 2,100,000 4,380,000,000 (17,765,000,000)   4,300,000 28,600,000 23,800,000 15,200,000 10,400,000 27,000,000 24,000,000 16,100,000 77,555,000,000 (28,757,000,000)   34,727,000 36,248,000 18,402,000 14,800,000 11,600,000 5,800,000 5,200,000 13,100,000 7,200,000 7,500,000 33,048,000,000 23,978,000,000   900,000 900,000 900,000 500,000 900,000 900,000 900,000 3,200,000,000 (5,576,000,000)   (200,000) 15,700,000 12,500,000 6,700,000 5,700,000 14,000,000 8,100,000 8,400,000 36,248,000,000 18,402,000,000   144,000,000 183,000,000 158,000,000 83,000,000 42,000,000 20,000,000 30,000,000 83,000,000 50,000,000 29,000,000 192,000,000 170,000,000 2,000,000 3,000,000 3,000,000 (15,000,000) 2,000,000 2,000,000 2,000,000 (9,000,000) (12,000,000) (9,000,000) 85,000,000 45,000,000 23,000,000 15,000,000 85,000,000 52,000,000 31,000,000 183,000,000 158,000,000 67,889,000 60,084,000 53,537,000 25,100,000 16,800,000 22,600,000 14,400,000 14,200,000 17,100,000 12,300,000 58,007,000,000 55,523,000,000 1,600,000 1,800,000 1,800,000 (3,900,000) 2,000,000 2,000,000 2,000,000 2,077,000,000 (1,986,000,000) (1,800,000) 26,700,000 18,600,000 24,400,000 10,500,000 16,200,000 19,100,000 14,300,000 60,084,000,000 53,537,000,000 63,073,000 63,190,000 50,798,000 20,200,000 14,700,000 17,300,000 9,400,000 19,800,000 13,000,000 17,300,000 59,492,000,000 65,388,000,000 1,900,000 1,900,000 1,900,000 (3,800,000) 2,500,000 2,500,000 2,500,000 3,698,000,000 (14,590,000,000) 5,200,000 [2] 22,100,000 16,600,000 19,200,000 5,600,000 22,300,000 15,500,000 19,800,000 63,190,000,000 50,798,000,000
Basic earnings per share of common stock $ 2.22 $ 2.44 $ 2.87       $ 1.22 $ 0.43 $ 0.15 $ 0.61 $ 0.59 $ 0.87 $ 0.51 $ 2.58 $ 3.31 $ 0.05 $ 0.05 $ 0.06 $ (0.34) $ 0.06 $ 0.07 $ 0.07 $ (0.14) $ (0.44) $ 0.23 $ 1.27 $ 0.48 $ 0.15 [1] $ 0.27 $ 0.65 $ 0.94 $ 0.58 $ 2.44 $ 2.87                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
Diluted earnings per share of common stock $ 2.21 $ 2.42 $ 2.85       $ 1.22 $ 0.43 $ 0.15 $ 0.60 $ 0.59 $ 0.87 $ 0.51 $ 2.57 $ 3.29 $ 0.05 $ 0.05 $ 0.06 $ (0.33) $ 0.06 $ 0.06 $ 0.06 $ (0.15) $ (0.44) $ 0.23 $ 1.27 $ 0.48 $ 0.15 [1] $ 0.27 $ 0.65 $ 0.93 $ 0.57 $ 2.42 $ 2.85                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
Pension and other postretirement benefits (90,000,000) (220,000,000) 275,000,000                     (258,000,000) 15,000,000               38,000,000 260,000,000                 (220,000,000) 275,000,000 (12,000,000) (30,000,000) 68,000,000               (58,000,000) 14,000,000                 28,000,000 54,000,000                   (30,000,000) 68,000,000   (43,000,000) (31,000,000) 53,000,000               (27,000,000) 46,000,000                 (4,000,000) 7,000,000                   (31,000,000) 53,000,000   (13,689,000) (40,442,000) 46,188,000               (26,955,000,000) (1,378,000,000)                 (13,487,000,000) 47,566,000,000                   (40,442,000,000) 46,188,000,000   (5,810,000) (6,950,000) 9,078,000               (655,000,000) (7,880,000,000)                 (6,295,000,000) 16,958,000,000                   (6,950,000,000) 9,078,000,000   (27,000,000) (17,000,000) (18,000,000)               (19,000,000) (40,000,000)               2,000,000 22,000,000                 (17,000,000) (18,000,000) (21,149,000) (12,968,000) 567,000               289,000,000 (118,000,000)               (13,257,000,000) 685,000,000                 (12,968,000,000) 567,000,000 (27,960,000) (20,421,000) (820,000)               (5,749,000,000) (51,421,000,000)               (14,672,000,000) 50,601,000,000                 (20,421,000,000) (820,000,000)
Income taxes (benefits) on other comprehensive income (loss) (49,000,000) (74,000,000) 128,000,000                     (90,000,000) 27,000,000               16,000,000 101,000,000                 (74,000,000) 128,000,000 2,000,000 4,000,000 14,000,000               (11,000,000) (6,000,000)                 14,000,000 20,000,000                   3,000,000 14,000,000   (15,000,000) (9,000,000) 19,000,000               (11,000,000) 16,000,000                 2,000,000 3,000,000                   (9,000,000) 19,000,000   (6,842,000) (14,732,000) 19,297,000               (11,926,000,000) 1,923,000,000                 (2,806,000,000) 17,374,000,000                   (14,732,000,000) 19,297,000,000   (1,296,000) (1,421,000) (533,000)               (1,144,000,000) (6,630,000,000)                 (277,000,000) 6,097,000,000                   (1,421,000,000) (533,000,000)   (15,000,000) (10,000,000) (4,000,000)               (9,000,000) (14,000,000)               (1,000,000) 10,000,000                 (10,000,000) (4,000,000) (10,918,000) (7,552,000) 3,070,000               (544,000,000) 2,784,000,000               (7,008,000,000) 286,000,000                 (7,552,000,000) 3,070,000,000 (14,566,000) (11,794,000) 4,831,000               (4,262,000,000) (17,252,000,000)               (7,532,000,000) 22,083,000,000                 (11,794,000,000) 4,831,000,000
Comprehensive income 870,000,000 616,000,000 980,000,000                     636,000,000 955,000,000               (20,000,000) 25,000,000                 616,000,000 980,000,000 (45,000,000) 228,000,000 521,000,000               252,000,000 566,000,000                 (24,000,000) (45,000,000)                   228,000,000 521,000,000   100,000,000 133,000,000 144,000,000               141,000,000 143,000,000                 (8,000,000) 1,000,000                   133,000,000 144,000,000   65,016,000 51,845,000 (1,866,000)               58,146,000,000 (14,293,000,000)                 (6,301,000,000) 12,427,000,000                   51,845,000,000 (1,866,000,000)   34,719,000 30,850,000 12,832,000               33,668,000,000 7,547,000,000                 (2,818,000,000) 5,285,000,000                   30,850,000,000 12,832,000,000   132,000,000 176,000,000 144,000,000               182,000,000 144,000,000               (6,000,000) 0                 176,000,000 144,000,000 57,993,000 55,003,000 51,369,000               59,175,000,000 52,956,000,000               (4,172,000,000) (1,587,000,000)                 55,003,000,000 51,369,000,000 49,744,000 54,628,000 45,209,000               58,070,000,000 31,281,000,000               (3,442,000,000) 13,928,000,000                 54,628,000,000 45,209,000,000
Comprehensive income attributable to FirstEnergy Corp 886,000,000 640,000,000 996,000,000                     660,000,000 971,000,000               (20,000,000) 25,000,000                 640,000,000 996,000,000                                                                                                                                         63,723,000 50,328,000 (3,580,000)                                                               34,712,000 30,846,000 12,811,000                                                                                                                                                                                                                                                        
Comprehensive income available to Parent                                                                                                                                                                                                                                 56,629,000,000 (16,007,000,000)                 (6,301,000,000) 12,427,000,000                   50,328,000,000 (3,580,000,000)                       33,664,000,000 7,526,000,000                 (2,818,000,000) 5,285,000,000                   30,846,000,000 12,811,000,000                                                                                                                                                                                            
CONSOLIDATED BALANCE SHEETS                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
In service 40,122,000,000 30,276,000,000               29,451,000,000       29,451,000,000         825,000,000       825,000,000           30,276,000,000       30,276,000,000   10,983,000,000 11,427,000,000         11,321,000,000       11,321,000,000           106,000,000       106,000,000             11,427,000,000       11,427,000,000     3,358,000,000 3,222,000,000         3,137,000,000       3,137,000,000           85,000,000       85,000,000             3,222,000,000       3,222,000,000     2,555,617,000 2,460,117,000         2,396,893,000,000       2,396,893,000,000           63,224,000,000       63,224,000,000             2,460,117,000,000       2,460,117,000,000     999,146,000 962,428,000         947,203,000,000       947,203,000,000           15,225,000,000       15,225,000,000             962,428,000,000       962,428,000,000     4,872,000,000 4,783,000,000         4,563,000,000       4,563,000,000         220,000,000       220,000,000           4,783,000,000       4,783,000,000   2,475,890,000 2,393,501,000         2,247,853,000,000       2,247,853,000,000         145,648,000,000       145,648,000,000           2,393,501,000,000       2,393,501,000,000   2,814,374,000 2,714,541,000         2,532,629,000,000       2,532,629,000,000         181,912,000,000       181,912,000,000           2,714,541,000,000       2,714,541,000,000  
Accumulated provision for depreciation 11,839,000,000 11,283,000,000               11,180,000,000       11,180,000,000         103,000,000       103,000,000           11,283,000,000       11,283,000,000   4,110,000,000 4,038,000,000         4,024,000,000       4,024,000,000           14,000,000       14,000,000             4,038,000,000       4,038,000,000     1,267,000,000 1,218,000,000         1,208,000,000       1,208,000,000           10,000,000       10,000,000             1,218,000,000       1,218,000,000     974,229,000 944,617,000         932,246,000,000       932,246,000,000           12,371,000,000       12,371,000,000             944,617,000,000       944,617,000,000     464,204,000 450,531,000         446,401,000,000       446,401,000,000           4,130,000,000       4,130,000,000             450,531,000,000       450,531,000,000     1,743,000,000 1,682,000,000         1,657,000,000       1,657,000,000         25,000,000       25,000,000           1,682,000,000       1,682,000,000   887,186,000 862,517,000         846,003,000,000       846,003,000,000         16,514,000,000       16,514,000,000           862,517,000,000       862,517,000,000   982,265,000 955,314,000         935,259,000,000       935,259,000,000         20,055,000,000       20,055,000,000           955,314,000,000       955,314,000,000  
Total property, plant, and equipment 28,283,000,000 18,993,000,000               18,271,000,000       18,271,000,000         722,000,000       722,000,000           18,993,000,000       18,993,000,000   6,873,000,000 7,389,000,000         7,297,000,000       7,297,000,000           92,000,000       92,000,000             7,389,000,000       7,389,000,000     2,091,000,000 2,004,000,000         1,929,000,000       1,929,000,000           75,000,000       75,000,000             2,004,000,000       2,004,000,000     1,581,388,000 1,515,500,000         1,464,647,000,000       1,464,647,000,000           50,853,000,000       50,853,000,000             1,515,500,000,000       1,515,500,000,000     534,942,000 511,897,000         500,802,000,000       500,802,000,000           11,095,000,000       11,095,000,000             511,897,000,000       511,897,000,000     3,129,000,000 3,101,000,000         2,906,000,000       2,906,000,000         195,000,000       195,000,000           3,101,000,000       3,101,000,000   1,588,704,000 1,530,984,000         1,401,850,000,000       1,401,850,000,000         129,134,000,000       129,134,000,000           1,530,984,000,000       1,530,984,000,000   1,832,109,000 1,759,227,000         1,597,370,000,000       1,597,370,000,000         161,857,000,000       161,857,000,000           1,759,227,000,000       1,759,227,000,000  
Regulatory assets 2,030,000,000 1,830,000,000               1,826,000,000       1,826,000,000         4,000,000       4,000,000           1,830,000,000       1,830,000,000                                                                       363,000,000 403,000,000         400,000,000       400,000,000           3,000,000       3,000,000             403,000,000       403,000,000     295,284,000 369,829,000         370,403,000,000       370,403,000,000           (574,000,000)       (574,000,000)             369,829,000,000       369,829,000,000     70,235,000 72,588,000         72,059,000,000       72,059,000,000           529,000,000       529,000,000             72,588,000,000       72,588,000,000     408,000,000 514,000,000         513,000,000       513,000,000         1,000,000       1,000,000           514,000,000       514,000,000   328,623,000 295,908,000         295,856,000,000       295,856,000,000         52,000,000       52,000,000           295,908,000,000       295,908,000,000   209,178,000 163,428,000         163,407,000,000       163,407,000,000         21,000,000       21,000,000           163,428,000,000       163,428,000,000  
Total assets 47,326,000,000 35,531,000,000 35,054,000,000             34,805,000,000       34,805,000,000         726,000,000       726,000,000           35,531,000,000       35,531,000,000   11,819,000,000 12,155,000,000         12,063,000,000       12,063,000,000           92,000,000       92,000,000             12,155,000,000       12,155,000,000     3,574,000,000 3,764,000,000         3,686,000,000       3,686,000,000           78,000,000       78,000,000             3,764,000,000       3,764,000,000     4,251,593,000 4,354,128,000         4,303,849,000,000       4,303,849,000,000           50,279,000,000       50,279,000,000             4,354,128,000,000       4,354,128,000,000     1,622,513,000 1,625,930,000         1,614,306,000,000       1,614,306,000,000           11,624,000,000       11,624,000,000             1,625,930,000,000       1,625,930,000,000     6,325,000,000 6,513,000,000         6,317,000,000       6,317,000,000         196,000,000       196,000,000           6,513,000,000       6,513,000,000   2,927,537,000 3,173,856,000         3,044,670,000,000       3,044,670,000,000         129,186,000,000       129,186,000,000           3,173,856,000,000       3,173,856,000,000   3,321,637,000 3,224,547,000         3,062,669,000,000       3,062,669,000,000         161,878,000,000       161,878,000,000           3,224,547,000,000       3,224,547,000,000  
Common Stock 42,000,000 31,000,000                                                                 1,570,000,000 1,567,000,000                                                                 747,000,000 913,000,000         952,000,000       952,000,000 1,155,000,000 1,224,000,000       (39,000,000)       (39,000,000) (39,000,000) (39,000,000)         913,000,000       913,000,000 1,116,000,000 1,185,000,000 865,570,000 863,372,000         887,087,000,000       887,087,000,000 884,897,000,000 878,785,000,000       (23,715,000,000)       (23,715,000,000) (23,715,000,000) (23,715,000,000)         863,372,000,000       863,372,000,000 861,182,000,000 855,070,000,000 147,010,000 147,010,000                                                                 136,000,000 136,000,000                                                                                                                         88,552,000 88,552,000                                                          
Other Paid-In Capital                                                                                                                                                                                                                                                                                             178,182,000,000       178,182,000,000 178,181,000,000 175,879,000,000       (15,161,000,000)       (15,161,000,000) (15,161,000,000) (15,161,000,000)         163,021,000,000       163,021,000,000 163,020,000,000 160,718,000,000                                                                                                                                                                                          
Accumulated other comprehensive loss 426,000,000 425,000,000               (1,539,000,000)       (1,539,000,000) (1,415,000,000)       1,964,000,000       1,964,000,000 1,942,000,000         425,000,000       425,000,000 527,000,000 76,000,000 62,000,000         (120,000,000)       (120,000,000) (103,000,000)         182,000,000       182,000,000 168,000,000           62,000,000       62,000,000 65,000,000   54,000,000 82,000,000         (179,000,000)       (179,000,000) (163,000,000)         261,000,000       261,000,000 267,000,000           82,000,000       82,000,000 104,000,000   27,264,000 34,111,000         (153,187,000,000)       (153,187,000,000) (138,158,000,000)         187,298,000,000       187,298,000,000 197,979,000,000           34,111,000,000       34,111,000,000 59,821,000,000   15,078,000 15,086,000         (49,183,000,000)       (49,183,000,000) (49,803,000,000)         64,269,000,000       64,269,000,000 70,287,000,000           15,086,000,000       15,086,000,000 20,484,000,000   39,000,000 51,000,000         (253,000,000)       (253,000,000) (243,000,000)       304,000,000       304,000,000 301,000,000         51,000,000       51,000,000 58,000,000 27,528,000 37,424,000         (142,383,000,000)       (142,383,000,000) (143,551,000,000)       179,807,000,000       179,807,000,000 186,056,000,000         37,424,000,000       37,424,000,000 42,505,000,000 37,053,000 50,382,000         (163,526,000,000)       (163,526,000,000) (162,104,000,000)       213,908,000,000       213,908,000,000 221,048,000,000         50,382,000,000       50,382,000,000 58,944,000,000
Retained earnings 3,047,000,000 3,084,000,000               4,609,000,000       4,609,000,000 4,495,000,000       (1,525,000,000)       (1,525,000,000) (1,483,000,000)         3,084,000,000       3,084,000,000 3,012,000,000 1,931,000,000 1,990,000,000         2,418,000,000       2,418,000,000 2,149,000,000         (428,000,000)       (428,000,000) (390,000,000)           1,990,000,000       1,990,000,000 1,759,000,000   (84,000,000) (112,000,000)         142,000,000       142,000,000 30,000,000         (254,000,000)       (254,000,000) (252,000,000)           (112,000,000)       (112,000,000) (222,000,000)   388,246,000 381,676,000         568,906,000,000       568,906,000,000 597,248,000,000         (187,230,000,000)       (187,230,000,000) (191,610,000,000)           381,676,000,000       381,676,000,000 405,638,000,000   43,220,000 42,500,000         117,534,000,000       117,534,000,000 214,490,000,000         (75,034,000,000)       (75,034,000,000) (78,234,000,000)           42,500,000,000       42,500,000,000 136,256,000,000   121,000,000 (23,000,000)         227,000,000       227,000,000 200,000,000       (250,000,000)       (250,000,000) (241,000,000)         (23,000,000)       (23,000,000) (41,000,000)             32,406,000,000       32,406,000,000 4,399,000,000       (138,967,000,000)       (138,967,000,000) (141,044,000,000)         (106,561,000,000)       (106,561,000,000) (136,645,000,000) (97,806,000) (90,879,000)         60,993,000,000       60,993,000,000 91,501,000,000       (151,872,000,000)       (151,872,000,000) (155,570,000,000)         (90,879,000,000)       (90,879,000,000) (64,069,000,000)
Common stockholders' equity 13,280,000,000 8,984,000,000               8,545,000,000       8,545,000,000         439,000,000       439,000,000           8,984,000,000       8,984,000,000   3,577,000,000 3,619,000,000         1,490,000,000       1,490,000,000 1,468,000,000 1,464,000,000       77,000,000       77,000,000 77,000,000 77,000,000         1,567,000,000       1,567,000,000 1,545,000,000 1,541,000,000 717,000,000 883,000,000         915,000,000       915,000,000           (32,000,000)       (32,000,000)             883,000,000       883,000,000     1,281,080,000 1,279,159,000         1,302,806,000,000       1,302,806,000,000           (23,647,000,000)       (23,647,000,000)             1,279,159,000,000       1,279,159,000,000     368,321,000 367,617,000         393,543,000,000       393,543,000,000           (25,926,000,000)       (25,926,000,000)             367,617,000,000       367,617,000,000     2,307,000,000 2,673,000,000         2,619,000,000       2,619,000,000         54,000,000       54,000,000           2,673,000,000       2,673,000,000   806,600,000 1,127,939,000         1,087,099,000,000       1,087,099,000,000         40,840,000,000       40,840,000,000           1,127,939,000,000       1,127,939,000,000   941,242,000 961,574,000         899,538,000,000       899,538,000,000         62,036,000,000       62,036,000,000           961,574,000,000       961,574,000,000  
Total equity 13,299,000,000 8,952,000,000               8,513,000,000       8,513,000,000         439,000,000       439,000,000           8,952,000,000       8,952,000,000   3,577,000,000 3,619,000,000         3,788,000,000       3,788,000,000           (169,000,000)       (169,000,000)             3,619,000,000       3,619,000,000     722,000,000 889,000,000         921,000,000       921,000,000           (32,000,000)       (32,000,000)             889,000,000       889,000,000     1,296,275,000 1,297,176,000         1,320,823,000,000       1,320,823,000,000           (23,647,000,000)       (23,647,000,000)             1,297,176,000,000       1,297,176,000,000     370,917,000 370,206,000         396,132,000,000       396,132,000,000           (25,926,000,000)       (25,926,000,000)             370,206,000,000       370,206,000,000                                                                                                                                                                                              
Total capitalization 29,015,000,000 21,531,000,000               21,092,000,000       21,092,000,000         439,000,000       439,000,000           21,531,000,000       21,531,000,000   6,376,000,000 6,800,000,000         6,969,000,000       6,969,000,000           (169,000,000)       (169,000,000)             6,800,000,000       6,800,000,000     1,877,000,000 2,041,000,000         2,073,000,000       2,073,000,000           (32,000,000)       (32,000,000)             2,041,000,000       2,041,000,000     3,131,165,000 3,149,706,000         3,173,353,000,000       3,173,353,000,000           (23,647,000,000)       (23,647,000,000)             3,149,706,000,000       3,149,706,000,000     969,786,000 970,699,000         996,625,000,000       996,625,000,000           (25,926,000,000)       (25,926,000,000)             970,699,000,000       970,699,000,000     4,043,000,000 4,443,000,000         4,389,000,000       4,389,000,000         54,000,000       54,000,000           4,443,000,000       4,443,000,000   1,510,125,000 1,846,799,000         1,805,959,000,000       1,805,959,000,000         40,840,000,000       40,840,000,000           1,846,799,000,000       1,846,799,000,000   2,017,023,000 2,033,836,000         1,971,800,000,000       1,971,800,000,000         62,036,000,000       62,036,000,000           2,033,836,000,000       2,033,836,000,000  
Other 900,000,000 733,000,000                                                                 261,000,000 252,000,000                                                                 79,000,000 76,000,000                                                                 34,124,000 44,569,000                                                                 30,753,000 29,075,000                                                                 36,000,000 28,000,000         26,000,000       26,000,000         2,000,000       2,000,000           28,000,000       28,000,000   32,015,000 29,278,000                                                           26,045,000 22,541,000                                                          
Accrued taxes 558,000,000 332,000,000               326,000,000       326,000,000         6,000,000       6,000,000           332,000,000       332,000,000   227,000,000 70,000,000                                                                 88,000,000 80,000,000         79,000,000       79,000,000           1,000,000       1,000,000             80,000,000       80,000,000     86,440,000 85,346,000         84,668,000,000       84,668,000,000           678,000,000       678,000,000             85,346,000,000       85,346,000,000     34,850,000 24,623,000         24,401,000,000       24,401,000,000           222,000,000       222,000,000             24,623,000,000       24,623,000,000                                                                   10,056,000 61,338,000         60,856,000,000       60,856,000,000         482,000,000       482,000,000           61,338,000,000       61,338,000,000   9,311,000 6,531,000         5,075,000,000       5,075,000,000         1,456,000,000       1,456,000,000           6,531,000,000       6,531,000,000  
Accumulated deferred income taxes 5,670,000,000 3,160,000,000               2,879,000,000       2,879,000,000         281,000,000       281,000,000           3,160,000,000       3,160,000,000   286,000,000 67,000,000         58,000,000       58,000,000           9,000,000       9,000,000             67,000,000       67,000,000     787,000,000 737,000,000         696,000,000       696,000,000           41,000,000       41,000,000             737,000,000       737,000,000     662,805,000 647,292,000         622,771,000,000       622,771,000,000           24,521,000,000       24,521,000,000             647,292,000,000       647,292,000,000     170,385,000 140,715,000         132,019,000,000       132,019,000,000           8,696,000,000       8,696,000,000             140,715,000,000       140,715,000,000     859,000,000 793,000,000         716,000,000       716,000,000         77,000,000       77,000,000           793,000,000       793,000,000   539,511,000 526,467,000         473,009,000,000       473,009,000,000         53,458,000,000       53,458,000,000           526,467,000,000       526,467,000,000   498,754,000 437,532,000         371,877,000,000       371,877,000,000         65,655,000,000       65,655,000,000           437,532,000,000       437,532,000,000  
Other noncurrent liabilities 2,072,000,000 1,436,000,000                                                                 563,000,000 496,000,000         244,000,000       244,000,000           252,000,000       252,000,000             496,000,000       496,000,000     269,000,000 265,000,000         197,000,000       197,000,000           68,000,000       68,000,000             265,000,000       265,000,000     157,358,000 148,888,000         100,161,000,000       100,161,000,000           48,727,000,000       48,727,000,000             148,888,000,000       148,888,000,000     99,194,000 93,722,000         65,090,000,000       65,090,000,000           28,632,000,000       28,632,000,000             93,722,000,000       93,722,000,000     262,000,000 234,000,000         171,000,000       171,000,000         63,000,000       63,000,000           234,000,000       234,000,000   91,285,000 88,095,000         53,689,000,000       53,689,000,000         34,406,000,000       34,406,000,000           88,095,000,000       88,095,000,000   93,206,000 80,620,000         47,889,000,000       47,889,000,000         32,731,000,000       32,731,000,000           80,620,000,000       80,620,000,000  
Total liabilities and capitalization 47,326,000,000 35,531,000,000               34,805,000,000       34,805,000,000         726,000,000       726,000,000           35,531,000,000       35,531,000,000   11,819,000,000 12,155,000,000         12,063,000,000       12,063,000,000           92,000,000       92,000,000             12,155,000,000       12,155,000,000     3,574,000,000 3,764,000,000         3,686,000,000       3,686,000,000           78,000,000       78,000,000             3,764,000,000       3,764,000,000     4,251,593,000 4,354,128,000         4,303,849,000,000       4,303,849,000,000           50,279,000,000       50,279,000,000             4,354,128,000,000       4,354,128,000,000     1,622,513,000 1,625,930,000         1,614,306,000,000       1,614,306,000,000           11,624,000,000       11,624,000,000             1,625,930,000,000       1,625,930,000,000     6,325,000,000 6,513,000,000         6,317,000,000       6,317,000,000         196,000,000       196,000,000           6,513,000,000       6,513,000,000   2,927,537,000 3,173,856,000         3,044,670,000,000       3,044,670,000,000         129,186,000,000       129,186,000,000           3,173,856,000,000       3,173,856,000,000   3,321,637,000 3,224,547,000         3,062,669,000,000       3,062,669,000,000         161,878,000,000       161,878,000,000           3,224,547,000,000       3,224,547,000,000  
CONSOLIDATED STATEMENTS OF COMMON STOCKHOLDERS' EQUITY                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
Retained Earnings - Beginning Balance 3,084,000,000               4,609,000,000       4,495,000,000 4,495,000,000 4,159,000,000     (1,525,000,000)       (1,483,000,000) (1,483,000,000) (1,349,000,000)       3,084,000,000       3,012,000,000 3,012,000,000 2,810,000,000 1,990,000,000         2,418,000,000       2,149,000,000 2,149,000,000 1,572,000,000       (428,000,000)       (390,000,000) (390,000,000) (311,000,000)         1,990,000,000       1,759,000,000 1,759,000,000 1,261,000,000   (112,000,000)         142,000,000       30,000,000 30,000,000 254,000,000       (254,000,000)       (252,000,000) (252,000,000) (249,000,000)         (112,000,000)       (222,000,000) (222,000,000) 5,000,000   381,676,000         568,906,000,000       597,248,000,000 597,248,000,000 859,954,000,000       (187,230,000,000)       (191,610,000,000) (191,610,000,000) (173,845,000,000)         381,676,000,000       405,638,000,000 405,638,000,000 686,109,000,000   42,500,000         117,534,000,000       214,490,000,000 214,490,000,000 190,533,000,000       (75,034,000,000)       (78,234,000,000) (78,234,000,000) (72,658,000,000)         42,500,000,000       136,256,000,000 136,256,000,000 117,875,000,000   (23,000,000)         227,000,000       200,000,000 200,000,000 157,000,000     (250,000,000)       (241,000,000) (241,000,000) (229,000,000)       (23,000,000)       (41,000,000) (41,000,000) (72,000,000)           32,406,000,000       4,399,000,000 4,399,000,000 (51,124,000,000)     (138,967,000,000)       (141,044,000,000) (141,044,000,000) (139,058,000,000)       (106,561,000,000)       (136,645,000,000) (136,645,000,000) (190,182,000,000) (90,879,000)         60,993,000,000       91,501,000,000 91,501,000,000 76,113,000,000     (151,872,000,000)       (155,570,000,000) (155,570,000,000) (140,980,000,000)       (90,879,000,000)       (64,069,000,000) (64,069,000,000) (64,867,000,000)
Earnings available to Parent 885,000,000 742,000,000 872,000,000       511,000,000 181,000,000 50,000,000 185,000,000 179,000,000 265,000,000 155,000,000 784,000,000 1,006,000,000 21,000,000 22,000,000 22,000,000 (102,000,000) 18,000,000 21,000,000 21,000,000 (42,000,000) (134,000,000) 98,000,000 532,000,000 203,000,000 52,000,000 [1] 83,000,000 197,000,000 286,000,000 176,000,000 742,000,000 872,000,000                                                                                         157,000,000 122,000,000                 (2,000,000) (3,000,000)                   155,000,000 119,000,000   70,570,000 76,038,000 (30,471,000) 26,300,000 21,500,000 12,800,000 11,900,000 24,600,000 21,600,000 13,600,000 71,658,000,000 (12,706,000,000)   2,000,000 2,000,000 2,000,000 (1,900,000) 2,100,000 2,100,000 2,100,000 4,380,000,000 (17,765,000,000)   4,000,000 28,300,000 23,500,000 14,800,000 10,000,000 26,700,000 23,700,000 15,700,000 76,038,000,000 (30,471,000,000)   34,720,000 36,244,000 18,381,000 14,800,000 11,600,000 5,800,000 5,200,000 13,100,000 7,200,000 7,500,000 33,044,000,000 23,957,000,000   900,000 900,000 900,000 500,000 900,000 900,000 900,000 3,200,000,000 (5,576,000,000)   (200,000) 15,700,000 12,500,000 6,700,000 5,700,000 14,000,000 8,100,000 8,400,000 36,244,000,000 18,381,000,000                                                                                                                                                                                            
Retained Earnings - Ending Balance 3,047,000,000 3,084,000,000               4,609,000,000       4,609,000,000 4,495,000,000       (1,525,000,000)       (1,525,000,000) (1,483,000,000)         3,084,000,000       3,084,000,000 3,012,000,000 1,931,000,000 1,990,000,000         2,418,000,000       2,418,000,000 2,149,000,000         (428,000,000)       (428,000,000) (390,000,000)           1,990,000,000       1,990,000,000 1,759,000,000   (84,000,000) (112,000,000)         142,000,000       142,000,000 30,000,000         (254,000,000)       (254,000,000) (252,000,000)           (112,000,000)       (112,000,000) (222,000,000)   388,246,000 381,676,000         568,906,000,000       568,906,000,000 597,248,000,000         (187,230,000,000)       (187,230,000,000) (191,610,000,000)           381,676,000,000       381,676,000,000 405,638,000,000   43,220,000 42,500,000         117,534,000,000       117,534,000,000 214,490,000,000         (75,034,000,000)       (75,034,000,000) (78,234,000,000)           42,500,000,000       42,500,000,000 136,256,000,000   121,000,000 (23,000,000)         227,000,000       227,000,000 200,000,000       (250,000,000)       (250,000,000) (241,000,000)         (23,000,000)       (23,000,000) (41,000,000)             32,406,000,000       32,406,000,000 4,399,000,000       (138,967,000,000)       (138,967,000,000) (141,044,000,000)         (106,561,000,000)       (106,561,000,000) (136,645,000,000) (97,806,000) (90,879,000)         60,993,000,000       60,993,000,000 91,501,000,000       (151,872,000,000)       (151,872,000,000) (155,570,000,000)         (90,879,000,000)       (90,879,000,000) (64,069,000,000)
Accumulated Comprehensive Income (Loss) - Beginning Balance 425,000,000               (1,539,000,000)       (1,415,000,000) (1,415,000,000) (1,380,000,000)     1,964,000,000       1,942,000,000 1,942,000,000 1,783,000,000       425,000,000       527,000,000 527,000,000 403,000,000 62,000,000         (120,000,000)       (103,000,000) (103,000,000) (92,000,000)       182,000,000       168,000,000 168,000,000 134,000,000         62,000,000       65,000,000 65,000,000 42,000,000   82,000,000         (179,000,000)       (163,000,000) (163,000,000) (184,000,000)       261,000,000       267,000,000 267,000,000 263,000,000         82,000,000       104,000,000 104,000,000 79,000,000   34,111,000         (153,187,000,000)       (138,158,000,000) (138,158,000,000) (134,857,000,000)       187,298,000,000       197,979,000,000 197,979,000,000 167,787,000,000         34,111,000,000       59,821,000,000 59,821,000,000 32,930,000,000   15,086,000         (49,183,000,000)       (49,803,000,000) (49,803,000,000) (33,372,000,000)       64,269,000,000       70,287,000,000 70,287,000,000 59,426,000,000         15,086,000,000       20,484,000,000 20,484,000,000 26,054,000,000   51,000,000         (253,000,000)       (243,000,000) (243,000,000) (217,000,000)     304,000,000       301,000,000 301,000,000 289,000,000       51,000,000       58,000,000 58,000,000 72,000,000 37,424,000         (142,383,000,000)       (143,551,000,000) (143,551,000,000) (140,984,000,000)     179,807,000,000       186,056,000,000 186,056,000,000 185,657,000,000       37,424,000,000       42,505,000,000 42,505,000,000 44,673,000,000 50,382,000         (163,526,000,000)       (162,104,000,000) (162,104,000,000) (127,997,000,000)     213,908,000,000       221,048,000,000 221,048,000,000 192,530,000,000       50,382,000,000       58,944,000,000 58,944,000,000 64,533,000,000
Pension and other postretirement benefits, net of income taxes (Note 3) 446,000,000 472,000,000                       (151,000,000) (19,000,000)               22,000,000 159,000,000                 (129,000,000) 140,000,000 52,000,000 55,000,000                 (36,000,000) 6,000,000                 14,000,000 34,000,000                   (22,000,000) 40,000,000   54,000,000 82,000,000                 (16,000,000) 26,000,000                 (6,000,000) 4,000,000                   (22,000,000) 30,000,000   27,000,000 34,000,000                 (15,029,000,000) (3,301,000,000)                 (10,681,000,000) 30,192,000,000                   (25,710,000,000) 26,891,000,000   12,000,000 15,000,000                 535,000,000 (7,006,000,000)                 (6,018,000,000) 10,861,000,000                   (5,483,000,000) 3,855,000,000   40,000,000 52,000,000                 (10,000,000) (26,000,000)               3,000,000 12,000,000                 (7,000,000) (14,000,000) 28,000,000 38,000,000                 1,355,000,000 (2,902,000,000)               (6,249,000,000) 399,000,000                 (4,894,000,000) (2,503,000,000) 37,000,000 50,000,000                 (1,382,000,000) (34,177,000,000)               (7,140,000,000) 28,518,000,000                 (8,522,000,000) (5,659,000,000)
Accumulated Comprehensive Income (Loss) - Ending Balance 426,000,000 425,000,000               (1,539,000,000)       (1,539,000,000) (1,415,000,000)       1,964,000,000       1,964,000,000 1,942,000,000         425,000,000       425,000,000 527,000,000 76,000,000 62,000,000         (120,000,000)       (120,000,000) (103,000,000)         182,000,000       182,000,000 168,000,000           62,000,000       62,000,000 65,000,000   54,000,000 82,000,000         (179,000,000)       (179,000,000) (163,000,000)         261,000,000       261,000,000 267,000,000           82,000,000       82,000,000 104,000,000   27,264,000 34,111,000         (153,187,000,000)       (153,187,000,000) (138,158,000,000)         187,298,000,000       187,298,000,000 197,979,000,000           34,111,000,000       34,111,000,000 59,821,000,000   15,078,000 15,086,000         (49,183,000,000)       (49,183,000,000) (49,803,000,000)         64,269,000,000       64,269,000,000 70,287,000,000           15,086,000,000       15,086,000,000 20,484,000,000   39,000,000 51,000,000         (253,000,000)       (253,000,000) (243,000,000)       304,000,000       304,000,000 301,000,000         51,000,000       51,000,000 58,000,000 27,528,000 37,424,000         (142,383,000,000)       (142,383,000,000) (143,551,000,000)       179,807,000,000       179,807,000,000 186,056,000,000         37,424,000,000       37,424,000,000 42,505,000,000 37,053,000 50,382,000         (163,526,000,000)       (163,526,000,000) (162,104,000,000)       213,908,000,000       213,908,000,000 221,048,000,000         50,382,000,000       50,382,000,000 58,944,000,000
Other Paid-In Capital, Balance                                                                                                                                                                                                                                                                                             178,182,000,000       178,182,000,000 178,181,000,000 175,879,000,000       (15,161,000,000)       (15,161,000,000) (15,161,000,000) (15,161,000,000)         163,021,000,000       163,021,000,000 163,020,000,000 160,718,000,000                                                                                                                                                                                          
Common stock 42,000,000 31,000,000                                                                 1,570,000,000 1,567,000,000                                                                 747,000,000 913,000,000         952,000,000       952,000,000 1,155,000,000 1,224,000,000       (39,000,000)       (39,000,000) (39,000,000) (39,000,000)         913,000,000       913,000,000 1,116,000,000 1,185,000,000 865,570,000 863,372,000         887,087,000,000       887,087,000,000 884,897,000,000 878,785,000,000       (23,715,000,000)       (23,715,000,000) (23,715,000,000) (23,715,000,000)         863,372,000,000       863,372,000,000 861,182,000,000 855,070,000,000 147,010,000 147,010,000                                                                 136,000,000 136,000,000                                                                                                                         88,552,000 88,552,000                                                          
CONSOLIDATED STATEMENTS OF CASH FLOW                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
Provision for depreciation 1,121,000,000 768,000,000 757,000,000       292,000,000 282,000,000 220,000,000 181,000,000 182,000,000 190,000,000 193,000,000 746,000,000 736,000,000 5,000,000 5,000,000 5,000,000 7,000,000 5,000,000 5,000,000 5,000,000 22,000,000 21,000,000 312,000,000 297,000,000 287,000,000 225,000,000 [1] 188,000,000 187,000,000 195,000,000 198,000,000 768,000,000 757,000,000 275,000,000 246,000,000 262,000,000 69,000,000 68,000,000 68,000,000 57,000,000 60,000,000 63,000,000 63,000,000 243,000,000 259,000,000   0 1,000,000 1,000,000 0 1,000,000 1,000,000 1,000,000 3,000,000 3,000,000   68,000,000 69,000,000 69,000,000 69,000,000 57,000,000 61,000,000 64,000,000 64,000,000 246,000,000 262,000,000   93,000,000 91,000,000 92,000,000 23,000,000 22,000,000 22,000,000 22,000,000 22,000,000 22,000,000 22,000,000 88,000,000 89,000,000   0 1,000,000 1,000,000 0 1,000,000 1,000,000 1,000,000 3,000,000 3,000,000   24,000,000 23,000,000 23,000,000 23,000,000 22,000,000 23,000,000 23,000,000 23,000,000 91,000,000 92,000,000   76,135,000 74,907,000 73,883,000 18,500,000 18,500,000 18,400,000 18,200,000 18,100,000 18,300,000 18,100,000 72,753,000,000 71,908,000,000   400,000 400,000 400,000 600,000 500,000 500,000 500,000 2,154,000,000 1,975,000,000   19,500,000 18,900,000 18,900,000 18,800,000 18,800,000 18,600,000 18,800,000 18,600,000 74,907,000,000 73,883,000,000   32,467,000 32,161,000 31,181,000 8,000,000 8,000,000 7,900,000 7,900,000 7,800,000 8,000,000 8,000,000 31,613,000,000 30,727,000,000   100,000 100,000 100,000 200,000 100,000 100,000 100,000 548,000,000 454,000,000   8,300,000 8,100,000 8,100,000 8,000,000 8,100,000 7,900,000 8,100,000 8,100,000 32,161,000,000 31,181,000,000   135,000,000 113,000,000 108,000,000 31,000,000 27,000,000 25,000,000 26,000,000 27,000,000 27,000,000 28,000,000 108,000,000 103,000,000 2,000,000 1,000,000 1,000,000 2,000,000 1,000,000 1,000,000 1,000,000 5,000,000 5,000,000 48,000,000 33,000,000 28,000,000 26,000,000 28,000,000 28,000,000 28,000,000 29,000,000 113,000,000 108,000,000 60,831,000 55,792,000 54,652,000 14,500,000 12,800,000 12,400,000 13,000,000 13,000,000 13,400,000 12,800,000 52,176,000,000 51,006,000,000 900,000 800,000 800,000 900,000 900,000 900,000 900,000 3,616,000,000 3,646,000,000 18,600,000 15,400,000 13,600,000 13,200,000 13,900,000 13,900,000 14,300,000 13,700,000 55,792,000,000 54,652,000,000 63,071,000 65,694,000 65,637,000 16,100,000 15,800,000 14,600,000 15,100,000 14,900,000 16,600,000 14,700,000 61,141,000,000 61,317,000,000 1,000,000 1,000,000 1,000,000 1,100,000 1,100,000 1,100,000 1,100,000 4,553,000,000 4,320,000,000 13,600,000 [2] 17,100,000 16,800,000 15,600,000 16,200,000 16,000,000 17,700,000 15,800,000 65,694,000,000 65,637,000,000
Deferred income taxes and investment tax credits, net 798,000,000 450,000,000 323,000,000                     470,000,000 384,000,000               (20,000,000) (61,000,000)                 450,000,000 323,000,000 199,000,000 150,000,000 186,000,000               176,000,000 220,000,000                 (26,000,000) (34,000,000)                   150,000,000 186,000,000   77,000,000 43,000,000 37,000,000               46,000,000 41,000,000                 (3,000,000) (4,000,000)                   43,000,000 37,000,000   23,931,000 (23,614,000) (61,450,000)               (20,068,000,000) (51,839,000,000)                 (3,546,000,000) (9,611,000,000)                   (23,614,000,000) (61,450,000,000)   35,739,000 26,152,000 (589,000)               28,041,000,000 2,003,000,000                 (1,889,000,000) (2,592,000,000)                   26,152,000,000 (589,000,000)   91,000,000 31,000,000 39,000,000               32,000,000 43,000,000               (1,000,000) (4,000,000)                 31,000,000 39,000,000 4,332,000 34,395,000 67,246,000               29,528,000,000 66,965,000,000               4,867,000,000 281,000,000                 34,395,000,000 67,246,000,000 71,832,000 139,052,000 55,879,000               133,885,000,000 63,065,000,000               5,167,000,000 (7,186,000,000)                 139,052,000,000 55,879,000,000
Accrued compensation and retirement benefits (82,000,000) (65,000,000) (124,000,000)                     89,000,000 22,000,000               (154,000,000) (146,000,000)                 (65,000,000) (124,000,000) (41,000,000) (25,000,000) (34,000,000)               25,000,000 6,000,000                 (50,000,000) (40,000,000)                   (25,000,000) (34,000,000)   (37,000,000) (45,000,000) (36,000,000)               (23,000,000) (14,000,000)                 (22,000,000) (22,000,000)                   (45,000,000) (36,000,000)   (11,951,000) (2,228,000) (4,326,000)               12,724,000,000 8,514,000,000                 (14,952,000,000) (12,840,000,000)                   (2,228,000,000) (4,326,000,000)   (4,640,000) (660,000) (2,776,000)               5,517,000,000 3,489,000,000                 (6,177,000,000) (6,265,000,000)                   (660,000,000) (2,776,000,000)   (32,000,000) (7,000,000) (13,000,000)               14,000,000 13,000,000               (21,000,000) (26,000,000)                 (7,000,000) (13,000,000) (26,018,000) (20,027,000) (12,013,000)               (2,474,000,000) 5,876,000,000               (17,553,000,000) (17,889,000,000)                 (20,027,000,000) (12,013,000,000) (21,051,000) (13,442,000) (12,529,000)               8,206,000,000 3,866,000,000               (21,648,000,000) (16,395,000,000)                 (13,442,000,000) (12,529,000,000)
Impairment of long-lived assets (Note 11) 413,000,000 388,000,000 6,000,000                     384,000,000 6,000,000               4,000,000 0                 388,000,000 6,000,000 294,000,000 388,000,000 6,000,000               384,000,000 6,000,000                 4,000,000 0                   388,000,000 6,000,000                                                                                                                                                                                                                                                                                                                                                                                                        
Other operating activities $ (57,000,000) $ 45,000,000 $ 29,000,000                     $ 45,000,000 $ 30,000,000               $ 0 $ (1,000,000)                 $ 45,000,000 $ 29,000,000 $ (6,000,000) $ 29,000,000 $ 23,000,000                                                               $ 0 $ (4,000,000) $ 23,000,000                                                               $ (1,796,000) $ 2,109,000 $ 8,732,000               $ 2,090,000,000 $ 8,820,000,000                 $ 19,000,000 $ (88,000,000)                   $ 2,109,000,000 $ 8,732,000,000   $ 6,451,000 $ (7,554,000) $ 6,754,000               $ (7,689,000,000) $ 7,135,000,000                 $ 135,000,000 $ (381,000,000)                   $ (7,554,000,000) $ 6,754,000,000   $ 11,000,000 $ (11,000,000) $ (3,000,000)                                                         $ 12,476,000 $ 8,026,000 $ 4,926,000               $ 8,026,000,000 $ 5,022,000,000               $ 0 $ (96,000,000)                 $ 8,026,000,000 $ 4,926,000,000 $ 14,012,000 $ 4,860,000 $ 3,104,000               $ 4,909,000,000 $ 3,236,000,000               $ (49,000,000) $ (132,000,000)                 $ 4,860,000,000 $ 3,104,000,000
[1] Reflects a $20 million ($0.06 per basic and diluted share of common stock) increase to income taxes related to an Allegheny purchase accounting adjustment identified in the fourth quarter of 2011.
[2] The fourth quarter of 2011 reflects a $4.6 million decrease to income taxes to correct a deferred tax valuation allowance related to periods prior to 2009.