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Compensation and Benefit Plans | 9 Months Ended
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Sep. 30, 2011
Compensation And Benefit Plans Disclosure [Abstract] |
Compensation and Benefit Plans | Compensation and Benefit Plans Pension Plans and Postretirement Benefits Other Than Pensions Pension Plans During the nine months ended September 30, 2011, SCE made contributions of $90 million and during the remainder of 2011, expects to make $24 million of additional contributions. SCE's 2011 annual contributions made to most of its pension plans are recovered through CPUC-approved regulatory mechanisms and are expected to be, at a minimum, equal to the annual expense. Expense components are:
| Three months ended September 30, |  | Nine months ended September 30,
(in millions) | 2011 |  | 2010 |  | 2011 |  | 2010
Service cost | $ | 38 |  |  | $ | 29 |  |  | $ | 114 |  |  | $ | 87 |
Interest cost | 47 |  |  | 49 |  |  | 141 |  |  | 147 |
Expected return on plan assets | (56 | ) |  | (49 | ) |  | (168 | ) |  | (147 | )
Amortization of prior service cost | 2 |  |  | 2 |  |  | 6 |  |  | 6 |
Amortization of net loss | 4 |  |  | 6 |  |  | 12 |  |  | 18 |
Expense under accounting standards | 35 |  |  | 37 |  |  | 105 |  |  | 111 |
Regulatory adjustment – deferred | (6 | ) |  | (14 | ) |  | (18 | ) |  | (42 | )
Total expense recognized | $ | 29 |  |  | $ | 23 |  |  | $ | 87 |  |  | $ | 69 |
Postretirement Benefits Other Than Pensions During the nine months ended September 30, 2011, SCE made contributions of $17 million and during the remainder of 2011, expects to make $37 million of additional contributions. SCE's annual contributions are recovered through CPUC-approved regulatory mechanisms and are expected to be, at a minimum, equal to the annual expense. Expense components are:
| Three months ended September 30, |  | Nine months ended September 30,
(in millions) | 2011 |  | 2010 |  | 2011 |  | 2010
Service cost | $ | 10 |  |  | $ | 7 |  |  | $ | 30 |  |  | $ | 21 |
Interest cost | 31 |  |  | 30 |  |  | 93 |  |  | 90 |
Expected return on plan assets | (27 | ) |  | (25 | ) |  | (81 | ) |  | (75 | )
Amortization of prior service cost (credit) | (9 | ) |  | (9 | ) |  | (27 | ) |  | (27 | )
Amortization of net loss | 9 |  |  | 8 |  |  | 27 |  |  | 24 |
Total expense | $ | 14 |  |  | $ | 11 |  |  | $ | 42 |  |  | $ | 33 |
Stock-Based Compensation During 2011, Edison International granted stock-based compensation awards to SCE employees, which included stock options, performance shares and restricted stock units. Stock Options The following is a summary of the status of Edison International stock options granted to SCE employees:
|  |  | Weighted-Average |  |
| Stock Options |  | Exercise Price |  | Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value (in millions)
Outstanding at December 31, 2010 | 10,064,736 |  |  | $ | 32.86 |  |  |  |  |  |  |
Granted | 1,850,749 |  |  | 37.98 |  |  |  |  |  |  |
Expired | (50,811 | ) |  | 48.90 |  |  |  |  |  |  |
Forfeited | (288,776 | ) |  | 33.54 |  |  |  |  |  |  |
Exercised | (677,595 | ) |  | 24.32 |  |  |  |  |  |  |
Affiliate transfers – net | 110,287 |  |  | 31.98 |  |  |  |  |  |  |
Outstanding at September 30, 2011 | 11,008,590 |  |  | 34.15 |  |  | 6.11 |  |  |  |
Vested and expected to vest at September 30, 2011 | 10,752,504 |  |  | 34.15 |  |  | 6.06 |  |  | $ | 69 |
Exercisable at September 30, 2011 | 6,300,938 |  |  | 34.42 |  |  | 4.51 |  |  | 46 |
At September 30, 2011, there was $12 million of total unrecognized compensation cost related to stock options, net of expected forfeitures. That cost is expected to be recognized over a weighted-average period of approximately three years. Performance Shares The following is a summary of the status of Edison International nonvested performance shares granted to SCE employees:
| Equity Awards |  | Liability Awards
|  |  | Weighted-Average Grant Date Fair Value |  |  |  | Weighted-Average Fair Value
| Shares |  |  | Shares |
Nonvested at December 31, 2010 | 219,904 |  |  | $ | 32.15 |  |  | 219,904 |  |  | $ | 37.68 |
Granted | 83,235 |  |  | 29.66 |  |  | 83,235 |  |  |  |
Forfeited 1 | (54,654 | ) |  | 49.94 |  |  | (54,654 | ) |  |  |
Affiliate transfers – net | 3,496 |  |  | 26.90 |  |  | 3,496 |  |  |  |
Nonvested at September 30, 2011 | 251,981 |  |  | 27.96 |  |  | 251,981 |  |  | 23.35 |
1 Includes performance shares that expired with zero value as performance targets were not met. The current portion of nonvested performance shares classified as liability awards is reflected in "Other current liabilities" and the long-term portion is reflected in "Pensions and benefits" on the consolidated balance sheets. At September 30, 2011, there was $3 million of total unrecognized compensation cost related to performance shares. That cost is expected to be recognized over a weighted-average period of approximately two years. Restricted Stock Units The following is a summary of the status of Edison International nonvested restricted stock units granted to SCE employees:
| Restricted Stock Units |  | Weighted-Average Grant Date Fair Value
Nonvested at December 31, 2010 | 385,877 |  |  | $ | 32.90 |
Granted | 137,445 |  |  | 37.98 |
Forfeited | (23,243 | ) |  | 31.83 |
Paid Out | (96,802 | ) |  | 48.20 |
Affiliate transfers – net | 6,747 |  |  | 30.56 |
Nonvested at September 30, 2011 | 410,024 |  |  | 32.06 |
At September 30, 2011, there was $5 million of total unrecognized compensation cost related to restricted stock units, net of expected forfeitures, which is expected to be recognized as follows: $1 million in 2011, $3 million in 2012 and $1 million in 2013. Supplemental Data on Stock Based Compensation
| Three months ended September 30, |  | Nine months ended September 30,
(in millions) | 2011 |  | 2010 |  | 2011 |  | 2010
Stock based compensation expense 1 | $ | 4 |  |  | $ | 6 |  |  | $ | 13 |  |  | $ | 16 |
Income tax benefits related to stock compensation expense | 1 |  |  | 2 |  |  | 5 |  |  | 6 |
Excess tax benefits 2 | 2 |  |  | 1 |  |  | 5 |  |  | 3 |
Stock options |  |  |  |  |  |  |
Cash used to purchase shares to settle options | 4 |  |  | 5 |  |  | 26 |  |  | 12 |
Cash from participants to exercise stock options | 3 |  |  | 3 |  |  | 17 |  |  | 8 |
Value of options exercised | 1 |  |  | 2 |  |  | 9 |  |  | 4 |
Restricted stock units |  |  |  |  |  |  |
Value of shares settled | 1 |  |  | — |  |  | 5 |  |  | — |
Tax benefits realized from settlement of awards | — |  |  | — |  |  | 2 |  |  | — |
1 Reflected in "Operations and maintenance" on the consolidated statements of income. 2 Reflected in "Settlements of stock based compensation—net" in the financing section of the consolidated statements of cash flows.

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