Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Millions	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock
Total stockholder's equity at beginning of period at Dec. 31, 2024		$ 683	$ 2,229	$ 9,686	$ (1,991)	$ (94)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation			(16)			19
Dividends to common stockholders ($0.48, $0.46, $2.96 and $2.92 per share)				(799)
Net income	$ 573			573
Other comprehensive income (loss)	405				405
Purchase of treasury stock	(34)					(34)
Total stockholder's equity at end of period at Jun. 30, 2025	10,661	683	2,213	9,460	(1,586)	(109)
Total stockholder's equity at beginning of period at Mar. 31, 2025		683	2,204	9,287	(1,785)	(110)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation			9			1
Dividends to common stockholders ($0.48, $0.46, $2.96 and $2.92 per share)				(126)
Net income	299			299
Other comprehensive income (loss)	199				199
Purchase of treasury stock						0
Total stockholder's equity at end of period at Jun. 30, 2025	10,661	683	2,213	9,460	(1,586)	(109)
Total stockholder's equity at beginning of period at Dec. 31, 2025	11,621	683	2,229	9,915	(1,098)	(108)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation			(30)			27
Dividends to common stockholders ($0.48, $0.46, $2.96 and $2.92 per share)				(810)
Net income	532			532
Other comprehensive income (loss)	(118)				(118)
Purchase of treasury stock	(36)					(36)
Total stockholder's equity at end of period at Jun. 30, 2026	11,186	683	2,199	9,637	(1,216)	(117)
Total stockholder's equity at beginning of period at Mar. 31, 2026		683	2,195	9,448	(1,349)	(120)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation			4			3
Dividends to common stockholders ($0.48, $0.46, $2.96 and $2.92 per share)				(132)
Net income	321			321
Other comprehensive income (loss)	133				133
Purchase of treasury stock						0
Total stockholder's equity at end of period at Jun. 30, 2026	$ 11,186	$ 683	$ 2,199	$ 9,637	$ (1,216)	$ (117)