Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

Name:	us-gaap_CommonStockSharesIssued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Consolidated Statement Of Changes In Equity - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Earnings Reinvested	Accumulated Other Comprehensive Income	Common Stock Held in Treasury	ExxonMobil Share of Equity	Non-controlling Interests
Balance at Dec. 31, 2022	$ 202,473	$ 15,752	$ 432,860	$ (13,270)	$ (240,293)	$ 195,049	$ 7,424
Balance (in shares) - issued at Dec. 31, 2022	8,019
Balance (in shares) - in treasury at Dec. 31, 2022	(3,937)
Balance (in shares) - outstanding at Dec. 31, 2022	4,082
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Amortization of stock-based awards	$ 565	565				565
Issued for acquisitions (in shares)	46
Other	$ (427)	(514)	(2)			(516)	89
Net income (loss) for the year	37,354		36,010			36,010	1,344
Dividends - common shares (company)			(14,941)			(14,941)
Dividends - common shares (NCI)							(531)
Dividends - common shares (total)	(15,472)
Other comprehensive income	1,542			1,281		1,281	261
Share repurchases, at cost (company)					(17,993)	(17,993)	(851)
Share repurchase, at cost, including noncontrolling interest	$ (18,844)
Share repurchases, at cost (in shares)	(165)
Issued for acquisitions	$ 4,844	1,978			2,866	4,844
Dispositions	$ 503				503	503
Dispositions (in shares)	8
Balance at Dec. 31, 2023	$ 212,538	17,781	453,927	(11,989)	(254,917)	204,802	7,736
Balance (in shares) - issued at Dec. 31, 2023	8,019
Balance (in shares) - in treasury at Dec. 31, 2023	(4,048)
Balance (in shares) - outstanding at Dec. 31, 2023	3,971
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Amortization of stock-based awards	$ 735	735				735
Issued for acquisitions (in shares)	545
Other	$ (1,651)	(1,027)				(1,027)	(624)
Net income (loss) for the year	35,063		33,680			33,680	1,383
Dividends - common shares (company)			(16,704)			(16,704)
Dividends - common shares (NCI)							(658)
Dividends - common shares (total)	(17,362)
Other comprehensive income	(2,950)			(2,630)		(2,630)	(320)
Share repurchases, at cost (company)					(19,451)	(19,451)	(616)
Share repurchase, at cost, including noncontrolling interest	$ (20,067)
Share repurchases, at cost (in shares)	(170)
Issued for acquisitions	$ 63,352	28,749			34,603	63,352
Dispositions	$ 948				948	948
Dispositions (in shares)	7
Balance at Dec. 31, 2024	$ 270,606	46,238	470,903	(14,619)	(238,817)	263,705	6,901
Balance (in shares) - issued at Dec. 31, 2024	8,019
Balance (in shares) - in treasury at Dec. 31, 2024	(3,666)
Balance (in shares) - outstanding at Dec. 31, 2024	4,353
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Amortization of stock-based awards	$ 812	812				812
Issued for acquisitions (in shares)	0
Other	$ (160)	(900)	(22)			(922)	762
Net income (loss) for the year	29,764		28,844			28,844	920
Dividends - common shares (company)			(17,231)			(17,231)
Dividends - common shares (NCI)							(947)
Dividends - common shares (total)	(18,178)
Other comprehensive income	4,069			3,756		3,756	313
Share repurchases, at cost (company)					(20,467)	(20,467)	(709)
Share repurchase, at cost, including noncontrolling interest	$ (21,176)
Share repurchases, at cost (in shares)	(182)
Dispositions	$ 889				889	889
Dispositions (in shares)	8
Balance at Dec. 31, 2025	$ 266,626	$ 46,150	$ 482,494	$ (10,863)	$ (258,395)	$ 259,386	$ 7,240
Balance (in shares) - issued at Dec. 31, 2025	8,019
Balance (in shares) - in treasury at Dec. 31, 2025	(3,840)
Balance (in shares) - outstanding at Dec. 31, 2025	4,179