Compensation and Benefit Plans (Non Option Activity) (Details)	12 Months Ended
	Dec. 31, 2023 $ / shares shares
Performance shares
Shares
Beginning balance (in shares) | shares	402,830
Granted (in shares) | shares	255,883
Forfeited (in shares) | shares	(20,738)
Vested (in shares) | shares	(141,134)
Ending balance (in shares) | shares	496,841
Weighted Average Grant Date Fair Value
Beginning balance (in dollars per share) | $ / shares	$ 64.22
Granted (in dollars per share) | $ / shares	76.00
Forfeited (in dollars per share) | $ / shares	69.32
Vested (in dollars per share) | $ / shares	57.71
Ending balance (in dollars per share) | $ / shares	$ 71.93
Restricted stock units
Shares
Beginning balance (in shares) | shares	698,182
Granted (in shares) | shares	324,469
Forfeited (in shares) | shares	(21,965)
Vested (in shares) | shares	(108,274)
Ending balance (in shares) | shares	892,412
Weighted Average Grant Date Fair Value
Beginning balance (in dollars per share) | $ / shares	$ 60.60
Granted (in dollars per share) | $ / shares	64.84
Forfeited (in dollars per share) | $ / shares	61.73
Vested (in dollars per share) | $ / shares	68.16
Ending balance (in dollars per share) | $ / shares	$ 61.19
SCE | Performance shares
Shares
Beginning balance (in shares) | shares	210,073
Granted (in shares) | shares	131,318
Forfeited (in shares) | shares	(14,758)
Vested (in shares) | shares	(76,108)
Affiliate transfers, net (in shares) | shares	(1,434)
Ending balance (in shares) | shares	249,091
Weighted Average Grant Date Fair Value
Beginning balance (in dollars per share) | $ / shares	$ 63.93
Granted (in dollars per share) | $ / shares	76.18
Forfeited (in dollars per share) | $ / shares	69.16
Vested (in dollars per share) | $ / shares	57.68
Affiliate transfers (in dollars per share) | $ / shares	62.85
Ending balance (in dollars per share) | $ / shares	$ 71.99
SCE | Restricted stock units
Shares
Beginning balance (in shares) | shares	488,335
Granted (in shares) | shares	231,446
Forfeited (in shares) | shares	(15,371)
Vested (in shares) | shares	(55,488)
Affiliate transfers, net (in shares) | shares	(3,373)
Ending balance (in shares) | shares	645,549
Weighted Average Grant Date Fair Value
Beginning balance (in dollars per share) | $ / shares	$ 60.13
Granted (in dollars per share) | $ / shares	64.92
Forfeited (in dollars per share) | $ / shares	61.86
Vested (in dollars per share) | $ / shares	67.57
Affiliate transfers (in dollars per share) | $ / shares	60.05
Ending balance (in dollars per share) | $ / shares	$ 61.17