Consolidated Statements of Changes in Total Equity - USD ($) $ in Millions	Total	Shareholders' Equity	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive (Loss)	Retained Earnings	Treasury Stock	Other Non- controlling Interests
Balance at Dec. 31, 2022	$ 44,688	$ 44,675	$ 4	$ 30,233	$ (1,658)	$ 37,940	$ (21,844)	$ 13
Changes in Total Equity
Effect of issuing stock for employee benefit plans	222	222		332			(110)
Other comprehensive income (loss)	(461)	(461)			(461)
Net income	4,149	4,135				4,135		14
Common dividends declared	(1,093)	(1,093)				(1,093)
Repurchase of common stock	(1,785)	(1,785)		0			(1,785)
Other transactions impacting noncontrolling interests	(18)	(2)		(2)				(16)
Balance at Sep. 30, 2023	45,702	45,691	4	30,563	(2,119)	40,982	(23,739)	11
Balance at Dec. 31, 2022	66
Change in Redeemable Noncontrolling Interests
Other comprehensive loss	0
Net income	116
Other transactions impacting noncontrolling interests	(118)
Balance at Sep. 30, 2023	64
Balance at Jun. 30, 2023	45,464	45,445	4	30,436	(1,878)	39,936	(23,053)	19
Changes in Total Equity
Effect of issuing stock for employee benefit plans	122	122		127			(5)
Other comprehensive income (loss)	(241)	(241)			(241)
Net income	1,412	1,408				1,408		4
Common dividends declared	(362)	(362)				(362)
Repurchase of common stock	(681)	(681)		0			(681)
Other transactions impacting noncontrolling interests	(12)	0		0				(12)
Balance at Sep. 30, 2023	45,702	45,691	4	30,563	(2,119)	40,982	(23,739)	11
Balance at Jun. 30, 2023	62
Change in Redeemable Noncontrolling Interests
Other comprehensive loss	0
Net income	37
Other transactions impacting noncontrolling interests	(35)
Balance at Sep. 30, 2023	64
Balance at Dec. 31, 2023	46,244	46,223	4	30,669	(1,864)	41,652	(24,238)	21
Changes in Total Equity
Effect of issuing stock for employee benefit plans	400	400		517			(117)
Other comprehensive income (loss)	(299)	(299)			(299)
Net income	2,242	2,010				2,010		232
Common dividends declared	(1,182)	(1,182)				(1,182)
Repurchase of common stock	(5,057)	(5,057)		0			(5,057)
Other transactions impacting noncontrolling interests	(50)	0		0				(50)
Balance at Sep. 30, 2024	42,298	42,095	4	31,186	(2,163)	42,480	(29,412)	203
Balance at Dec. 31, 2023	107
Change in Redeemable Noncontrolling Interests
Other comprehensive loss	0
Net income	0
Other transactions impacting noncontrolling interests	(107)
Balance at Sep. 30, 2024	0
Balance at Jun. 30, 2024	41,527	41,332	4	31,048	(2,442)	42,132	(29,410)	195
Changes in Total Equity
Effect of issuing stock for employee benefit plans	136	136		138			(2)
Other comprehensive income (loss)	279	279			279
Net income	825	739				739		86
Common dividends declared	(391)	(391)				(391)
Repurchase of common stock	0	0		0			0
Other transactions impacting noncontrolling interests	(78)	0		0				(78)
Balance at Sep. 30, 2024	42,298	$ 42,095	$ 4	$ 31,186	$ (2,163)	$ 42,480	$ (29,412)	$ 203
Balance at Jun. 30, 2024	0
Change in Redeemable Noncontrolling Interests
Other comprehensive loss	0
Net income	0
Other transactions impacting noncontrolling interests	0
Balance at Sep. 30, 2024	$ 0