Consolidated Statement of Changes in Equity - USD ($) $ in Millions	Total	Additional Paid-In Capital	Retained Earnings	Treasury Stock at Cost	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interests	Class A common stock, $0.01 par value—authorized, 7,500,000,000 shares; issued, 4,651,093,045 and 4,842,108,959; outstanding, 3,778,302,017 and 3,969,317,931 Common Stock	Class B Common Stock Common Stock
Balance, beginning of year at Dec. 31, 2021	$ 519
Increase (Decrease) in Temporary Equity [Roll Forward]
Contributions from (distributions to) noncontrolling interests, net	(77)
Other	(80)
Net income (loss)	49
Balance, end of year at Dec. 31, 2022	411
Balance, beginning of year at Dec. 31, 2021		$ 40,173	$ 61,902	$ (7,517)	$ 1,480	$ 1,398	$ 54	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation		1,055
Repurchases of common stock under repurchase program and employee plans		(2,431)	(10,897)				(3)
Issuances of common stock under employee plans		278
Dividends declared			(4,757)
Other comprehensive income (loss)	(4,120)				(4,091)	(29)
Contributions from (distributions to) noncontrolling interests, net						89
Other		337	(10)			(280)
Net income (loss)			5,370			(495)
Balance, end of year at Dec. 31, 2022	$ 81,627	39,412	51,609	(7,517)	(2,611)	684	51	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared per common share (in dollars per share)	$ 1.08
Contributions from (distributions to) noncontrolling interests, net	$ (24)
Other	(171)
Net income (loss)	25
Balance, end of year at Dec. 31, 2023	241
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation		1,063
Repurchases of common stock under repurchase program and employee plans		(2,086)	(9,309)				(2)
Issuances of common stock under employee plans		272
Dividends declared			(4,795)
Other comprehensive income (loss)	1,338				1,358	(19)
Contributions from (distributions to) noncontrolling interests, net						166
Other		(127)	(1)			0
Net income (loss)			15,388			(307)
Balance, end of year at Dec. 31, 2023	$ 83,226	38,533	52,892	(7,517)	(1,253)	523	48	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared per common share (in dollars per share)	$ 1.16
Contributions from (distributions to) noncontrolling interests, net	$ (13)
Other	0
Net income (loss)	9
Balance, end of year at Dec. 31, 2024	237
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation		1,169
Repurchases of common stock under repurchase program and employee plans		(1,841)	(7,251)				(2)
Issuances of common stock under employee plans		240
Dividends declared			(4,862)
Other comprehensive income (loss)	(807)				(790)	(17)
Contributions from (distributions to) noncontrolling interests, net						295
Other		2	0			0
Net income (loss)			16,192			(324)
Balance, end of year at Dec. 31, 2024	$ 86,038	$ 38,102	$ 56,972	$ (7,517)	$ (2,043)	$ 477	$ 47	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared per common share (in dollars per share)	$ 1.24