CONSOLIDATED STATEMENTS OF COMMON STOCKHOLDERS' EQUITY - USD ($) $ in Millions	Total	Common stock	Additional Paid In Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Balance (in shares) at Dec. 31, 2021		544,025,269
Beginning balance at Dec. 31, 2021	$ 15,612	$ 1,360	$ 7,803	$ 6,572	$ (123)
Increase (Decrease) in Stockholders' Equity
Net income	1,736
Other comprehensive income	$ 30
Cash dividends declared per common share (in dollars per share)	$ 1.95
Dividends declared on common stock	$ (1,066)			(1,066)
Issuances of common stock (in shares)		5,552,749
Issuances of common stock (value)	359	$ 14	345
Share-based compensation	4		7	(3)
Balance (in shares) at Dec. 31, 2022		549,578,018
Ending balance at Dec. 31, 2022	16,675	$ 1,374	8,155	7,239	(93)
Increase (Decrease) in Stockholders' Equity
Net income	1,771
Other comprehensive income	$ (1)
Cash dividends declared per common share (in dollars per share)	$ 2.08
Dividends declared on common stock	$ (1,148)			(1,148)
Issuances of common stock (in shares)		5,363,685
Issuances of common stock (value)	308	$ 13	295
Share-based compensation	$ 11		15	(4)
Balance (in shares) at Dec. 31, 2023	554,941,703	554,941,703
Ending balance at Dec. 31, 2023	$ 17,616	$ 1,387	8,465	7,858	(94)
Increase (Decrease) in Stockholders' Equity
Net income	1,936
Other comprehensive income	$ 26				26
Cash dividends declared per common share (in dollars per share)	$ 2.19
Dividends declared on common stock	$ (1,236)			(1,236)
Issuances of common stock (in shares)		19,423,895
Issuances of common stock (value)	1,147	$ 49	1,098
Share-based compensation	$ 33		38	(5)
Balance (in shares) at Dec. 31, 2024	574,365,598	574,365,598
Ending balance at Dec. 31, 2024	$ 19,522	$ 1,436	$ 9,601	$ 8,553	$ (68)