Summarized Financial Data - Chevron Transport Corporation (Details 1) (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2010	Dec. 31, 2009
Balance Sheet - Chevron Transport Corporation
Current assets	$ 54,006	$ 48,841
Current liabilities	35,220	29,012
Total CTC net equity	116,430	105,811	100,291	92,561
Chevron Transport Corporation [Member]
Balance Sheet - Chevron Transport Corporation
Current assets	64	209
Other assets	252	201
Current liabilities	78	101
Other liabilities	70	75
Total CTC net equity	$ 168	$ 234

Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Total of Stockholders' Equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity including portions attributable to both the parent and noncontrolling interests (previously referred to as minority interest), if any. The entity including portions attributable to the parent and noncontrolling interests is sometimes referred to as the economic entity. This excludes temporary equity and is sometimes called permanent equity.

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