Noncontrolling Interests (Details) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Activity for equity attributable to noncontrolling interests
Beginning Balance			$ 105,811	$ 92,561
Net Income	7,760	5,444	13,999	10,024
Dividends			(2,992)	(2,794)
Distributions to noncontrolling interests			(28)	(31)
Treasury shares, net			(971)	170
Other changes, net			611	361
Ending Balance	116,430	100,291	116,430	100,291
Chevron Corporation Stockholders' Equity [Member]
Activity for equity attributable to noncontrolling interests
Beginning Balance			105,081	91,914
Net Income			13,943	9,961
Dividends			(2,992)	(2,794)
Distributions to noncontrolling interests			0
Treasury shares, net			(971)	170
Other changes, net			592	318
Ending Balance	115,653	99,569	115,653	99,569
Noncontrolling Interest [Member]
Activity for equity attributable to noncontrolling interests
Beginning Balance			730	647
Net Income			56	63
Dividends			0
Distributions to noncontrolling interests			(28)	(31)
Treasury shares, net			0
Other changes, net			19	43
Ending Balance	$ 777	$ 722	$ 777	$ 722