CONSOLIDATED STATEMENTS OF COMMON STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Millions	Total	Common Stock	Additional Paid In Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Balance (in shares) at Dec. 31, 2022		549,578,018
Beginning balance at Dec. 31, 2022	$ 16,675	$ 1,374	$ 8,155	$ 7,239	$ (93)
Increase (Decrease) in Stockholders' Equity
Net income	706			706
Other comprehensive income	11				11
Dividends declared on common stock (USD per share)		$ 1.04
Dividends declared on common stock	(572)			(572)
Issuances of common stock (in shares)		1,797,237
Issuances of common stock	95	$ 4	91
Share-based compensation	(1)		1	(2)
Balance (in shares) at Jun. 30, 2023		551,375,255
Ending balance at Jun. 30, 2023	16,914	$ 1,378	8,247	7,371	(82)
Balance (in shares) at Mar. 31, 2023		550,222,192
Beginning balance at Mar. 31, 2023	16,818	$ 1,376	8,169	7,370	(97)
Increase (Decrease) in Stockholders' Equity
Net income	288			288
Other comprehensive income	15				15
Dividends declared on common stock (USD per share)		$ 0.52
Dividends declared on common stock	(286)			(286)
Issuances of common stock (in shares)		1,153,063
Issuances of common stock	77	$ 2	75
Share-based compensation	2		3	(1)
Balance (in shares) at Jun. 30, 2023		551,375,255
Ending balance at Jun. 30, 2023	$ 16,914	$ 1,378	8,247	7,371	(82)
Balance (in shares) at Dec. 31, 2023	554,941,703	554,941,703
Beginning balance at Dec. 31, 2023	$ 17,616	$ 1,387	8,465	7,858	(94)
Increase (Decrease) in Stockholders' Equity
Net income	790			790
Other comprehensive income	27				27
Dividends declared on common stock (USD per share)		$ 1.095
Dividends declared on common stock	(609)			(609)
Issuances of common stock (in shares)		2,395,348
Issuances of common stock	113	$ 6	107
Share-based compensation	$ 17		17
Balance (in shares) at Jun. 30, 2024	557,337,051	557,337,051
Ending balance at Jun. 30, 2024	$ 17,954	$ 1,393	8,589	8,039	(67)
Balance (in shares) at Mar. 31, 2024		555,470,302
Beginning balance at Mar. 31, 2024	17,841	$ 1,389	8,481	8,042	(71)
Increase (Decrease) in Stockholders' Equity
Net income	302			302
Other comprehensive income	4				4
Dividends declared on common stock (USD per share)		$ 0.5475
Dividends declared on common stock	(305)			(305)
Issuances of common stock (in shares)		1,866,749
Issuances of common stock	101	$ 4	97
Share-based compensation	$ 11		11
Balance (in shares) at Jun. 30, 2024	557,337,051	557,337,051
Ending balance at Jun. 30, 2024	$ 17,954	$ 1,393	$ 8,589	$ 8,039	$ (67)