SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF PARENT - STATEMENT OF OPERATIONS (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Condensed Income Statements, Captions [Line Items]
Interest income	$ 103	$ 61	$ 89
Interest expense	(1,532)	(1,049)	(1,309)
Other income, net	169	136	131
Income tax expense	(701)	(219)	(490)
Net income	2,072	3,500	3,618
Preferred deemed dividends	(11)	0	0
Preferred dividends	(29)	(44)	(44)
Earnings attributable to common shares	$ 1,796	$ 2,817	$ 3,030
Basic earnings per common share (usd per share)	$ 2.75	$ 4.44	$ 4.81
Weighted-average common shares outstanding (in shares)	652,697	633,795	630,296
Diluted earnings per common share (usd per share)	$ 2.75	$ 4.42	$ 4.79
Weighted-average number of shares outstanding, diluted (in shares)	653,826	637,943	632,733
Parent Company
Condensed Income Statements, Captions [Line Items]
Interest income	$ 48	$ 29	$ 31
Interest expense	(569)	(490)	(444)
Operating expenses	(129)	(105)	(101)
Other income, net	45	25	31
Income tax expense	196	165	134
Income (loss) from continuing operations, net of tax	(409)	(376)	(349)
Equity in earnings of subsidiaries, net of income taxes	2,245	3,237	3,423
Net income	1,836	2,861	3,074
Preferred deemed dividends	(11)	0	0
Preferred dividends	(29)	(44)	(44)
Earnings attributable to common shares	$ 1,796	$ 2,817	$ 3,030
Basic earnings per common share (usd per share)	$ 2.75	$ 4.44	$ 4.81
Weighted-average common shares outstanding (in shares)	652,697	633,795	630,296
Diluted earnings per common share (usd per share)	$ 2.75	$ 4.42	$ 4.79
Weighted-average number of shares outstanding, diluted (in shares)	653,826	637,943	632,733