CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Receivables-
Allowance for uncollectible accounts	$ 49	$ 64
Common stockholders’ equity-
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, authorized (in shares)	700,000,000	700,000,000
Common stock, outstanding (in shares)	576,317,004	574,335,396
Other
Receivables-
Allowance for uncollectible accounts	$ 8	$ 15