Consolidated Statement of Equity - USD ($) shares in Thousands, $ in Millions	Total	Parent [Member]	Preferred Stock	Common Stock	Capital in Excess of Par	Retained Earnings	Accumulated Other Comprehensive Loss	Currency translation adjustment	Unrealized net holding (loss) gain on securities	Net derivatives (loss) gain on hedge transactions	Pension and other postretirement benefit plans	Deferred Compensation and Benefit Plan Trust	Benefit Plan Trust (Common Stock)	Treasury Stock at Cost	Noncontrolling Interests
Balance at January 1, shares at Dec. 31, 2013														529,074
Balance at January 1 at Dec. 31, 2013					$ 15,713	$ 173,677		$ (23)	$ (6)	$ 52	$ (3,602)			$ (38,290)	$ 1,314
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) attributable to Chevron Corporation	$ 19,241					19,241
Cash dividends on common stock						(7,928)
Stock dividends						(3)
Tax (charge) benefit from dividends paid on unallocated ESOP shares and other						0
Change during year	(1,280)							(73)	(2)	(54)	(1,151)
Purchases, shares														41,592
Purchases					328									$ (5,006)
Issuances - mainly employee benefit plans, shares														(7,638)
Issuances - mainly employee benefit plans														$ 563
Balance at December 31, shares at Dec. 31, 2014			0	2,442,677								14,168	14,168	563,028
Balance at December 31 at Dec. 31, 2014	156,191	$ 155,028	$ 0	$ 1,832	16,041	184,987	$ (4,859)	(96)	(8)	(2)	(4,753)	$ (240)	$ (240)	$ (42,733)	1,163
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) attributable to Chevron Corporation	4,587					4,587
Cash dividends on common stock						(7,992)
Stock dividends						(3)
Tax (charge) benefit from dividends paid on unallocated ESOP shares and other						(1)
Change during year	568							(44)	(21)	0	633
Purchases, shares														15
Purchases					289									$ (2)
Issuances - mainly employee benefit plans, shares														(3,180)
Issuances - mainly employee benefit plans														$ 242
Balance at December 31, shares at Dec. 31, 2015			0	2,442,677								14,168	14,168	559,863
Balance at December 31 at Dec. 31, 2015	153,886	152,716	$ 0	$ 1,832	16,330	181,578	(4,291)	(140)	(29)	(2)	(4,120)	$ (240)	$ (240)	$ (42,493)	1,170
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) attributable to Chevron Corporation	(497)					(497)
Cash dividends on common stock						(8,032)
Stock dividends						(3)
Tax (charge) benefit from dividends paid on unallocated ESOP shares and other						0
Change during year	448							(22)	27	0	443
Purchases, shares														20
Purchases					265									$ (2)
Issuances - mainly employee benefit plans, shares														(8,713)
Issuances - mainly employee benefit plans														$ 661
Balance at December 31, shares at Dec. 31, 2016			0	2,442,677								14,168	14,168	551,170
Balance at December 31 at Dec. 31, 2016	$ 146,722	$ 145,556	$ 0	$ 1,832	$ 16,595	$ 173,046	$ (3,843)	$ (162)	$ (2)	$ (2)	$ (3,677)	$ (240)	$ (240)	$ (41,834)	$ 1,166