CONSOLIDATED STATEMENTS OF STOCKHOLDERS' (DEFICIT) EQUITY - USD ($) $ in Millions	Total	Class A Common Stock Class A Common Stock		Additional Paid-in-Capital	Retained Earnings	Treasury Stock, at Cost	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Dec. 31, 2021		326,300,000
Beginning balance at Dec. 31, 2021	$ 1,414	$ 5		$ 5,892	$ 10,305	$ (14,446)	$ (342)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,358				2,358
Other comprehensive income (loss)	(387)						(387)
Dividends	(321)				(321)
Stock-based compensation plans (in shares)		1,100,000
Stock-based compensation plans	104			73		31
Purchase of treasury stock (in shares)		(16,800,000)
Purchase of treasury stock	(2,600)					(2,600)
Ending balance (in shares) at Dec. 31, 2022		310,600,000
Ending balance at Dec. 31, 2022	568	$ 5		5,965	12,342	(17,015)	(729)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,083				3,083
Other comprehensive income (loss)	82						82
Dividends	(587)				(587)
Stock-based compensation plans (in shares)		1,400,000
Stock-based compensation plans	126			86		40
Purchase of treasury stock (in shares)		(21,500,000)
Purchase of treasury stock	(3,954)					(3,954)
Ending balance (in shares) at Dec. 31, 2023		290,500,000
Ending balance at Dec. 31, 2023	(682)	$ 5		6,051	14,838	(20,929)	(647)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,375				2,375
Other comprehensive income (loss)	(416)						(416)
Dividends	(682)				(682)
Stock-based compensation plans (in shares)		1,600,000
Stock-based compensation plans	174			128		46
Purchase of treasury stock (in shares)		(15,400,000)
Purchase of treasury stock	$ (3,761)					(3,761)
Ending balance (in shares) at Dec. 31, 2024	276,671,710	276,700,000	[1]
Ending balance at Dec. 31, 2024	$ (2,992)	$ 5		$ 6,179	$ 16,531	$ (24,644)	$ (1,063)

[1] Our restated certificate of incorporation authorizes 800,000,000 shares of our common stock, with a par value of $0.01 per share and 10,000,000 shares of preferred stock, without par value. At year-end 2024, we had 276,671,710 of these authorized shares of our common stock and no preferred stock outstanding.