Compensation and Benefit Plans (Restricted Stock Unit Activity) (Details) - Restricted stock units	12 Months Ended
	Dec. 31, 2021 $ / shares shares
Restricted Stock Units
Beginning balance (in shares) | shares	333,873
Granted (in shares) | shares	337,793
Forfeited (in shares) | shares	(27,622)
Vested (in shares) | shares	(97,889)
Ending balance (in shares) | shares	546,155
Weighted Average Grant Date Fair Value
Beginning balance, weighted average grant date fair value (in dollars per share) | $ / shares	$ 63.78
Granted, weighted average grant date fair value (in dollars per share) | $ / shares	55.07
Forfeited, weighted average grant date fair value (in dollars per share) | $ / shares	58.81
Vested, weighted average grant date fair value (in dollars per share) | $ / shares	59.34
Ending balance, weighted average grant date fair value (in dollars per share) | $ / shares	$ 59.44
SCE
Restricted Stock Units
Beginning balance (in shares) | shares	168,420
Granted (in shares) | shares	250,490
Forfeited (in shares) | shares	(25,275)
Vested (in shares) | shares	(48,703)
Ending balance (in shares) | shares	344,932
Weighted Average Grant Date Fair Value
Beginning balance, weighted average grant date fair value (in dollars per share) | $ / shares	$ 63.78
Granted, weighted average grant date fair value (in dollars per share) | $ / shares	55.12
Forfeited, weighted average grant date fair value (in dollars per share) | $ / shares	59.18
Vested, weighted average grant date fair value (in dollars per share) | $ / shares	59.33
Ending balance, weighted average grant date fair value (in dollars per share) | $ / shares	$ 58.45