Consolidated Statements of Stockholders' Equity - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Treasury Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings
Beginning Balance (in shares) at Dec. 31, 2020		10,066
Beginning Balance at Dec. 31, 2020	$ 93,404	$ 105	$ (1,837)	$ 42,765	$ (180)	$ 52,551
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	33,364					33,364
Other comprehensive income (loss)	(1,196)				(1,196)
Stock-based compensation and issuance of employee benefit plan stock (in shares)		109
Stock-based compensation and issuance of employee benefit plan stock	12,673	$ 1		12,672
Ending Balance (in shares) at Dec. 31, 2021		10,175
Ending Balance at Dec. 31, 2021	138,245	$ 106	(1,837)	55,437	(1,376)	85,915
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(2,722)					(2,722)
Other comprehensive income (loss)	(3,111)				(3,111)
Stock-based compensation and issuance of employee benefit plan stock (in shares)		113
Stock-based compensation and issuance of employee benefit plan stock	19,631	$ 2		19,629
Common stock repurchased (in shares)		(46)
Common stock repurchased	$ (6,000)		(6,000)
Ending Balance (in shares) at Dec. 31, 2022	10,242	10,242
Ending Balance at Dec. 31, 2022	$ 146,043	$ 108	(7,837)	75,066	(4,487)	83,193
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	30,425					30,425
Other comprehensive income (loss)	1,447				1,447
Stock-based compensation and issuance of employee benefit plan stock (in shares)		141
Stock-based compensation and issuance of employee benefit plan stock	$ 23,960	$ 1		23,959
Ending Balance (in shares) at Dec. 31, 2023	10,383	10,383
Ending Balance at Dec. 31, 2023	$ 201,875	$ 109	$ (7,837)	$ 99,025	$ (3,040)	$ 113,618