CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Millions	Total	Common Stock	Additional Paid In Capital	Accumulated Other Comprehensive Loss	Retained Earnings	Common Stock Held In Treasury
Beginning balance at Dec. 31, 2023	$ 28,090	$ 206	$ 6,166	$ (9)	$ 22,634	$ (907)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	3,479				3,479
Common Stock Dividends Declared	(1,042)				(1,042)
Other Comprehensive (Loss) Income	1			1
Treasury Stock Repurchased	(1,453)					(1,453)
Change in Treasury Stock - Stock Compensation Plans, Net	(6)		(21)			15
Restricted Stock and Restricted Stock Units, Net	0		(16)			16
Stock-Based Compensation Expenses	90		90			0
Ending balance at Jun. 30, 2024	29,159	206	6,219	(8)	25,071	(2,329)
Beginning balance at Mar. 31, 2024	28,636	206	6,188	(8)	23,897	(1,647)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	1,690				1,690
Common Stock Dividends Declared	(516)				(516)
Other Comprehensive (Loss) Income	0
Treasury Stock Repurchased	(697)					(697)
Change in Treasury Stock - Stock Compensation Plans, Net	1		(9)			10
Restricted Stock and Restricted Stock Units, Net	0		(5)			5
Stock-Based Compensation Expenses	45		45
Ending balance at Jun. 30, 2024	29,159	206	6,219	(8)	25,071	(2,329)
Beginning balance at Dec. 31, 2024	29,351	206	6,090	(4)	26,941	(3,882)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	2,808				2,808
Common Stock Dividends Declared	(1,618)				(1,618)
Other Comprehensive (Loss) Income	(3)			(3)
Treasury Stock Repurchased	(1,402)					(1,402)
Change in Treasury Stock - Stock Compensation Plans, Net	(1)		(4)			3
Restricted Stock and Restricted Stock Units, Net	0		(36)			36
Stock-Based Compensation Expenses	103		103			0
Ending balance at Jun. 30, 2025	29,238	206	6,153	(7)	28,131	(5,245)
Beginning balance at Mar. 31, 2025	29,516	206	6,095	(4)	27,869	(4,650)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	1,345				1,345
Common Stock Dividends Declared	(1,083)				(1,083)
Other Comprehensive (Loss) Income	(3)			(3)
Treasury Stock Repurchased	(606)					(606)
Change in Treasury Stock - Stock Compensation Plans, Net	16		5			11
Stock-Based Compensation Expenses	53		53
Ending balance at Jun. 30, 2025	$ 29,238	$ 206	$ 6,153	$ (7)	$ 28,131	$ (5,245)