Equity (Common) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Stock compensation awards
Equity
Stock issued (in shares)	1,151,964	1,253,049
Proceeds received, net of offering costs	$ 58	$ 57
In lieu of dividend payment
Equity
Stock issued (in shares)	259,109	273,642
Proceeds received, net of offering costs	$ 18	$ 18
401(K)
Equity
Stock issued (in shares)	144,200	157,000
Proceeds received, net of offering costs	$ 10	$ 10
Employee Stock Purchase Plan
Equity
Stock issued (in shares)	55,923	36,912
Proceeds received, net of offering costs	$ 4	$ 2
Voluntary Cash Purchase
Equity
Stock issued (in shares)	105,218	109,750
Proceeds received, net of offering costs	$ 7	$ 7
At-the-market Program (ATM)
Equity
Aggregate sale price	$ 500