Compensation and Benefit Plans (Supplemental Data on Stock Options) (Details) - Stock options - USD ($) $ / shares in Units, $ in Millions |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
Weighted average grant date fair value per option granted (in dollars per share) | $ 8.80 | $ 8.21 | $ 10.65 |
Fair value of options vested | $ 14 | $ 14 | $ 11 |
Value of options exercised | $ 27 | $ 10 | $ 126 |
SCE | |||
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
Weighted average grant date fair value per option granted (in dollars per share) | $ 8.83 | $ 8.22 | $ 10.63 |
Fair value of options vested | $ 7 | $ 7 | $ 5 |
Value of options exercised | $ 19 | $ 7 | $ 29 |