Consolidated Statements of Changes in Equity and Redeemable Non-Controlling Interest - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Treasury Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Non- Controlling Interests in Consolidated Subsidiaries
Common stock, shares beginning (in shares) at Mar. 31, 2025		653.0
Beginning balance at Dec. 31, 2024	$ 27,698	$ 7	$ (6,385)	$ 16,292	$ 18,071	$ (338)	$ 51
Treasury stock, shares beginning (in shares) at Dec. 31, 2024			(77.0)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net current period other comprehensive income/(loss)	35					35
Stock-based compensation	66			66
Exercise of common stock options	13			13
Issuance of restricted stock (in shares)		2.0
Issuance of restricted stock	0
Payments relating to treasury shares (in shares)			(1.0)
Shares withheld for taxes on employee equity awards	(95)		$ (95)
Issuance under the employee stock purchase plan	$ 30			30
Repurchases of common stock (in shares)	(1.4)		(1.0)
Repurchases of common stock	$ (241)		$ (241)
Contributions from equity partners	11						11
Distributions of profits	(30)						(30)
Dividends paid to stockholders	(278)				(278)
Net income attributable to non-controlling interests	(15)				(15)		15
Net income	812				812
Common stock, shares ending (in shares) at Dec. 31, 2024		651.0
Ending balance at Mar. 31, 2025	28,021	$ 7	$ (6,721)	16,401	18,590	(303)	47
Treasury stock, shares ending (in shares) at Mar. 31, 2025			(79.0)
Redeemable non-controlling interest, beginning balance at Dec. 31, 2024	22
Redeemable non-controlling interest, ending balance at Mar. 31, 2025	$ 22
Common stock, shares beginning (in shares) at Mar. 31, 2026	566.0	655.0
Beginning balance at Dec. 31, 2025	$ 28,969	$ 7	$ (7,792)	16,643	20,281	(224)	54
Treasury stock, shares beginning (in shares) at Dec. 31, 2025	(86.0)		(86.0)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net current period other comprehensive income/(loss)	$ (27)					(27)
Stock-based compensation	89			89
Exercise of common stock options	5			5
Issuance of restricted stock (in shares)		2.0
Issuance of restricted stock	0
Shares withheld for taxes on employee equity awards	(95)		$ (95)
Issuance under the employee stock purchase plan	$ 30			30
Repurchases of common stock (in shares)	(3.5)		(3.0)
Repurchases of common stock	$ (555)		$ (555)
Contributions from equity partners	9						9
Distributions of profits	(30)						(30)
Dividends paid to stockholders	(297)				(297)
Net income attributable to non-controlling interests	(19)				(19)		19
Net income	$ 1,432				1,432
Common stock, shares ending (in shares) at Dec. 31, 2025	567.0	653.0
Ending balance at Mar. 31, 2026	$ 29,530	$ 7	$ (8,442)	$ 16,767	$ 21,397	$ (251)	$ 52
Treasury stock, shares ending (in shares) at Mar. 31, 2026	(89.0)		(89.0)
Redeemable non-controlling interest, beginning balance at Dec. 31, 2025	$ 22
Increase (Decrease) in Temporary Equity [Roll Forward]
Contributions from equity partners	10
Redeemable non-controlling interest, ending balance at Mar. 31, 2026	$ 32