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, 2020	$ 20,302	$ 206	$ 5,945	$ (12)	$ 14,170	$ (7)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	4,664				4,664
Common Stock Issued Under Stock Plans	17		17
Common Stock Dividends Declared	(2,915)				(2,915)
Other Comprehensive Income (Loss)	0			0
Change in Treasury Stock - Stock Compensation Plans, Net	(40)		(22)			(18)
Restricted Stock and Restricted Stock Units, Net	0		(5)			5
Stock-Based Compensation Expenses	152		152
Treasury Stock Issued as Compensation	0					0
Ending balance at Dec. 31, 2021	22,180	206	6,087	(12)	15,919	(20)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	7,759				7,759
Common Stock Issued Under Stock Plans	24		24
Common Stock Dividends Declared	(5,206)				(5,206)
Other Comprehensive Income (Loss)	4			4
Change in Treasury Stock - Stock Compensation Plans, Net	(116)		(55)			(61)
Restricted Stock and Restricted Stock Units, Net	0		(2)			2
Stock-Based Compensation Expenses	133		133
Treasury Stock Issued as Compensation	1					1
Ending balance at Dec. 31, 2022	24,779	206	6,187	(8)	18,472	(78)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	7,594				7,594
Common Stock Dividends Declared	(3,432)				(3,432)
Other Comprehensive Income (Loss)	(1)			(1)
Treasury Stock Repurchased	(979)					(979)
Change in Treasury Stock - Stock Compensation Plans, Net	(48)		(36)			(12)
Restricted Stock and Restricted Stock Units, Net	0		(162)			162
Stock-Based Compensation Expenses	177		177
Ending balance at Dec. 31, 2023	$ 28,090	$ 206	$ 6,166	$ (9)	$ 22,634	$ (907)