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Compensation and Benefit Plans (Stock Option Activity) (Details) - Stock options $ / shares in Units, $ in Millions | 12 Months Ended
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Dec. 31, 2017 USD ($) $ / shares shares
Stock options |
Beginning balance (number of options) | shares | 11,544,501
Grants (number of options) | shares | 1,359,599
Expired (number of options) | shares | 0
Forfeited (number of options) | shares | (163,449)
Exercised (number of options) | shares | (4,918,086)
Ending balance (number of options) | shares | 7,822,565
Vested and expected to vest (number of options) | shares | 7,740,798
Exercisable (number of options) | shares | 4,241,658
Exercise Price |
Beginning balance, weighted average exercise price (dollars per share) | $ / shares | $ 50.26
Granted, weighted average exercise price (dollars per share) | $ / shares | 79.23
Expired, weighted average exercise price (dollars per share) | $ / shares | 0.00
Forfeited, weighted average exercise price (dollars per share) | $ / shares | 69.76
Exercised, weighted average exercise price (dollars per share) | $ / shares | 43.77
Ending balance, weighted average exercise price (dollars per share) | $ / shares | 58.98
Vested and expected to vest, weighted average exercise price (dollars per share) | $ / shares | 58.81
Exercisable, weighted average exercise price (dollars per share) | $ / shares | $ 50.48
Remaining Contractual Term (Years) |
Outstanding at December 31, 2016 (term) | 6 years 4 months 13 days
Vested and expected to vest at December 31, 2016 (term) | 6 years 4 months 6 days
Exercisable at December 31, 2016 (term) | 5 years 1 month 2 days
Aggregate Intrinsic Value (in millions) |
Vested and expected to vest at December 31, 2017 | $ | $ 62
Exercisable at December 31, 2017 | $ | $ 58
SCE |
Stock options |
Beginning balance (number of options) | shares | 4,727,416
Grants (number of options) | shares | 699,538
Expired (number of options) | shares | 0
Forfeited (number of options) | shares | (77,165)
Exercised (number of options) | shares | (987,161)
Transfers, net (number of options) | shares | 83,074
Ending balance (number of options) | shares | 4,445,702
Vested and expected to vest (number of options) | shares | 4,402,254
Exercisable (number of options) | shares | 2,555,160
Exercise Price |
Beginning balance, weighted average exercise price (dollars per share) | $ / shares | $ 51.81
Granted, weighted average exercise price (dollars per share) | $ / shares | 79.12
Expired, weighted average exercise price (dollars per share) | $ / shares | 0.00
Forfeited, weighted average exercise price (dollars per share) | $ / shares | 66.27
Exercised, weighted average exercise price (dollars per share) | $ / shares | 48.63
Transfers, net, weighted average exercise price (dollars per share) | $ / shares | 46.47
Ending balance, weighted average exercise price (dollars per share) | $ / shares | 56.46
Vested and expected to vest, weighted average exercise price (dollars per share) | $ / shares | 56.28
Exercisable, weighted average exercise price (dollars per share) | $ / shares | $ 46.94
Remaining Contractual Term (Years) |
Outstanding at December 31, 2016 (term) | 5 years 11 months 27 days
Vested and expected to vest at December 31, 2016 (term) | 5 years 11 months 16 days
Exercisable at December 31, 2016 (term) | 4 years 6 months 7 days
Aggregate Intrinsic Value (in millions) |
Vested and expected to vest at December 31, 2017 | $ | $ 45
Exercisable at December 31, 2017 | $ | $ 43

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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(4) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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