|
Shareholders' Equity (Details 3) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2014
|
Jun. 30, 2013
|
Jun. 30, 2014
|
Jun. 30, 2013
|
|
| Significant reclassifications from accumulated other comprehensive income to net income | ||||
| Total amortization, before income taxes | $ 676 | $ 454 | $ 1,230 | $ 789 |
| Income tax benefit | (72) | (132) | (152) | (151) |
| Total amortization, net of income taxes | 587 | 307 | 1,043 | 628 |
|
Defined benefit pension plans | Amount Reclassified from Accumulated Other Comprehensive Income
|
||||
| Significant reclassifications from accumulated other comprehensive income to net income | ||||
| Actuarial losses | 6 | 14 | 12 | 28 |
| Prior service costs | (1) | (1) | (1) | (1) |
| Settlements and curtailments | (5) | (5) | ||
| Total amortization, before income taxes | 13 | 6 | 27 | |
| Income tax benefit | (3) | (1) | (3) | (2) |
| Total amortization, net of income taxes | (3) | 12 | 3 | 25 |
|
Defined benefit pension plans | Amount Reclassified from Accumulated Other Comprehensive Income | Operating and maintenance costs
|
||||
| Significant reclassifications from accumulated other comprehensive income to net income | ||||
| Total amortization, before income taxes | 10 | 4 | 21 | |
|
Defined benefit pension plans | Amount Reclassified from Accumulated Other Comprehensive Income | Operating and maintenance costs | Maximum
|
||||
| Significant reclassifications from accumulated other comprehensive income to net income | ||||
| Total amortization, before income taxes | 1 | |||
|
Defined benefit pension plans | Amount Reclassified from Accumulated Other Comprehensive Income | General and administrative costs
|
||||
| Significant reclassifications from accumulated other comprehensive income to net income | ||||
| Total amortization, before income taxes | 3 | 2 | 6 | |
|
Defined benefit pension plans | Amount Reclassified from Accumulated Other Comprehensive Income | General and administrative costs | Maximum
|
||||
| Significant reclassifications from accumulated other comprehensive income to net income | ||||
| Total amortization, before income taxes | $ 1 | |||