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, 2022	$ 24,779	$ 206	$ 6,187	$ (8)	$ 18,472	$ (78)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	2,023				2,023
Common stock dividends declared	(1,072)				(1,072)
Other Comprehensive Income	0
Restricted Stock and Restricted Stock Units, Net	0		1			(1)
Stock-Based Compensation Expenses	34		34			0
Treasury Stock Repurchased	(310)					(310)
Change in Treasury Stock - Stock Compensation Plans, Net	(7)		(3)			(4)
Ending balance at Mar. 31, 2023	25,447	206	6,219	(8)	19,423	(393)
Beginning balance at Dec. 31, 2023	28,090	206	6,166	(9)	22,634	(907)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	1,789				1,789
Common stock dividends declared	(526)				(526)
Other Comprehensive Income	1			1
Restricted Stock and Restricted Stock Units, Net	0		(11)			11
Stock-Based Compensation Expenses	45		45
Treasury Stock Repurchased	(756)					(756)
Change in Treasury Stock - Stock Compensation Plans, Net	(7)		(12)			5
Ending balance at Mar. 31, 2024	$ 28,636	$ 206	$ 6,188	$ (8)	$ 23,897	$ (1,647)