Equity (Issuances) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2023	Aug. 31, 2022
Stock compensation awards
Class of Stock [Line Items]
Stock issued (in shares)	484,041	808,479
Proceeds received, net of offering costs	$ 28	$ 39
In lieu of dividend payment
Class of Stock [Line Items]
Stock issued (in shares)	60,691	128,005
Proceeds received, net of offering costs	$ 4	$ 9
401(K)
Class of Stock [Line Items]
Stock issued (in shares)	41,000	70,000
Proceeds received, net of offering costs	$ 3	$ 5
Employee Stock Purchase Plan
Class of Stock [Line Items]
Stock issued (in shares)		26,481
Proceeds received, net of offering costs		$ 2
At-the-market Program (ATM)
Class of Stock [Line Items]
Aggregate sale price			$ 500