Compensation and Benefit Plans (Non Option Activity) (Details)	12 Months Ended
	Dec. 31, 2022 $ / shares shares
Performance shares
Shares
Beginning balance (in shares) | shares	262,808
Granted (in shares) | shares	265,916
Forfeited (in shares) | shares	(17,643)
Vested (in shares) | shares	(108,251)
Ending balance (in shares) | shares	402,830
Weighted Average Grant Date Fair Value
Beginning balance (in dollars per share) | $ / shares	$ 61.92
Granted (in dollars per share) | $ / shares	67.88
Forfeited (in dollars per share) | $ / shares	64.68
Vested (in dollars per share) | $ / shares	67.55
Ending balance (in dollars per share) | $ / shares	$ 64.22
Restricted stock units
Shares
Beginning balance (in shares) | shares	546,155
Granted (in shares) | shares	298,558
Forfeited (in shares) | shares	(24,780)
Vested (in shares) | shares	(121,751)
Ending balance (in shares) | shares	698,182
Weighted Average Grant Date Fair Value
Beginning balance (in dollars per share) | $ / shares	$ 59.44
Granted (in dollars per share) | $ / shares	63.58
Forfeited (in dollars per share) | $ / shares	60.42
Vested (in dollars per share) | $ / shares	62.76
Ending balance (in dollars per share) | $ / shares	$ 60.60
SCE | Performance shares
Shares
Beginning balance (in shares) | shares	137,807
Granted (in shares) | shares	138,254
Forfeited (in shares) | shares	(12,565)
Vested (in shares) | shares	(54,487)
Affiliate transfers, net (in shares) | shares	1,064
Ending balance (in shares) | shares	210,073
Weighted Average Grant Date Fair Value
Beginning balance (in dollars per share) | $ / shares	$ 61.50
Granted (in dollars per share) | $ / shares	67.74
Forfeited (in dollars per share) | $ / shares	65.60
Vested (in dollars per share) | $ / shares	67.37
Affiliate transfers (in dollars per share) | $ / shares	59.25
Ending balance (in dollars per share) | $ / shares	$ 63.93
SCE | Restricted stock units
Shares
Beginning balance (in shares) | shares	344,932
Granted (in shares) | shares	218,721
Forfeited (in shares) | shares	(19,073)
Vested (in shares) | shares	(62,034)
Affiliate transfers, net (in shares) | shares	5,789
Ending balance (in shares) | shares	488,335
Weighted Average Grant Date Fair Value
Beginning balance (in dollars per share) | $ / shares	$ 58.45
Granted (in dollars per share) | $ / shares	63.58
Forfeited (in dollars per share) | $ / shares	60.37
Vested (in dollars per share) | $ / shares	62.91
Affiliate transfers (in dollars per share) | $ / shares	57.64
Ending balance (in dollars per share) | $ / shares	$ 60.13