Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Millions		Total	Common Stock	Additional Paid-In Capital	Unearned Compensation	Treasury Stock	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interests
Beginning balance at Dec. 31, 2020			$ 1,466	$ 2,969	$ (1)	$ (23,045)	$ 23,699	$ (4,345)	$ 358
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		$ 2,338					2,166		172
Other comprehensive income (loss), net of tax		(43)						(41)	(2)
Dividends	[1]						(1,515)		(166)
Stock-based compensation expense				135					0
Shares issued for stock options				188		248
Shares issued for restricted stock awards				(27)		27
Treasury stock acquired						(1,320)
Other				4		1
Ending balance at Dec. 31, 2021			1,466	3,269	(1)	(24,089)	24,350	(4,386)	362
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		1,967					1,785		182
Other comprehensive income (loss), net of tax		327						331	(4)
Dividends	[1]						(1,562)		(135)
Stock-based compensation expense				125
Shares issued for stock options				190		226
Shares issued for restricted stock awards				(40)		40
Treasury stock acquired						(1,308)
Other				2		3
Ending balance at Dec. 31, 2022		806	1,466	3,546	(1)	(25,128)	24,573	(4,055)	405
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		2,455					2,300		155
Other comprehensive income (loss), net of tax		75						117	(42)
Dividends	[1]						(1,584)		(170)
Stock-based compensation expense				122
Shares issued for stock options				170		212
Shares issued for restricted stock awards				(34)		34
Treasury stock acquired						(1,128)
Other				4	1	(7)		1
Ending balance at Dec. 31, 2023		$ 957	$ 1,466	$ 3,808	$ 0	$ (26,017)	$ 25,289	$ (3,937)	$ 348

[1] * Two dividends were declared in each of the first quarters of 2023, 2022 and 2021.